Граф коммитов

2320 Коммитов

Автор SHA1 Сообщение Дата
Yuta Ando 4eae518d4b localmodconfig: Fix localyesconfig to set to 'y' not 'm'
The kbuild target 'localyesconfig' has been same as 'localmodconfig'
since the commit 50bce3e "kconfig/streamline_config.pl: merge
local{mod,yes}config". The commit expects this script generates
different configure depending on target, but it was not yet implemented.

So I added code that sets to 'yes' when target is 'localyesconfig'.

Link: http://lkml.kernel.org/r/1349101470-12243-1-git-send-email-yuta.and@gmail.com

Cc: stable@vger.kernel.org # v3.2
Cc: linux-kbuild@vger.kernel.org
Signed-off-by: Yuta Ando <yuta.and@gmail.com>
Signed-off-by: Steven Rostedt <rostedt@rostedt.homelinux.com>
2012-10-01 12:35:17 -04:00
Stephen Warren cd296721a9 dtc: import latest upstream dtc
This updates scripts/dtc to commit 317a5d9 "dtc: zero out new label
objects" from git://git.jdl.com/software/dtc.git.

This adds features such as:
* /bits/ syntax for cell data.
* Math expressions within cell data.
* The ability to delete properties or nodes.
* Support for #line directives in the input file, which allows the use of
  cpp on *.dts.
* -i command-line option (/include/ path)
* -W/-E command-line options for error/warning control.
* Removal of spew to STDOUT containing the filename being compiled.
* Many additions to the libfdt API.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Jon Loeliger <jdl@jdl.com>
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
2012-10-01 11:11:35 -05:00
Linus Torvalds 99dbb1632f Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
Pull the trivial tree from Jiri Kosina:
 "Tiny usual fixes all over the place"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (34 commits)
  doc: fix old config name of kprobetrace
  fs/fs-writeback.c: cleanup riteback_sb_inodes kerneldoc
  btrfs: fix the commment for the action flags in delayed-ref.h
  btrfs: fix trivial typo for the comment of BTRFS_FREE_INO_OBJECTID
  vfs: fix kerneldoc for generic_fh_to_parent()
  treewide: fix comment/printk/variable typos
  ipr: fix small coding style issues
  doc: fix broken utf8 encoding
  nfs: comment fix
  platform/x86: fix asus_laptop.wled_type module parameter
  mfd: printk/comment fixes
  doc: getdelays.c: remember to close() socket on error in create_nl_socket()
  doc: aliasing-test: close fd on write error
  mmc: fix comment typos
  dma: fix comments
  spi: fix comment/printk typos in spi
  Coccinelle: fix typo in memdup_user.cocci
  tmiofb: missing NULL pointer checks
  tools: perf: Fix typo in tools/perf
  tools/testing: fix comment / output typos
  ...
2012-10-01 09:06:36 -07:00
Adam Lee fb16d8912d kconfig: replace 'oldnoconfig' with 'olddefconfig', and keep the old name as an alias
As 67d34a6a39 said, 'oldnoconfig' doesn't
set new symbols to 'n', but instead sets it to their default values.

So, this patch replaces 'oldnoconfig' with 'olddefconfig', stop making
people confused, and keep the old name 'oldnoconfig' as an alias,
because people already are dependent on its behavior with the
counter-intuitive name.

Signed-off-by: Adam Lee <adam8157@gmail.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2012-09-27 18:18:07 +02:00
Benjamin Poirier 95ac9b3b58 menuconfig: Assign jump keys per-page instead of globally
At the moment, keys 1-9 are assigned to the first 9 search results. This patch
makes them assigned to the first 9 results per-page instead. We are much less
likely to run out of keys that way.

Signed-off-by: Benjamin Poirier <bpoirier@suse.de>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2012-09-27 18:09:24 +02:00
Benjamin Poirier 1a374ae619 menuconfig: Do not open code textbox scroll up/down
We don't need to explicitely use ncurses' scroll(). ncurses performs
vertical-motion optimization at wrefresh() time.

Using strace I confirmed that with the following patch curses still sends only
the new line of text to the terminal when scrolling up/down one line at a
time.

Signed-off-by: Benjamin Poirier <bpoirier@suse.de>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2012-09-27 18:09:24 +02:00
Benjamin Poirier 5e609addb1 menuconfig: Add jump keys to search results
makes it possible to jump directly to the menu for a configuration entry after
having searched for it with '/'. If this menu is not currently accessible we
jump to the nearest accessible parent instead. After exiting this menu, the
user is returned to the search results where he may jump further in or
elsewhere.

Signed-off-by: Benjamin Poirier <bpoirier@suse.de>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2012-09-27 18:09:24 +02:00
Benjamin Poirier 1d1e2caebb menuconfig: Extend dialog_textbox so that it can return to a scrolled position
We can now display other UI elements (menus) "on top" of a textbox and then
seemingly come back to it in the same state it was left.

Signed-off-by: Benjamin Poirier <bpoirier@suse.de>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2012-09-27 18:08:14 +02:00
Benjamin Poirier 537ddae75c menuconfig: Extend dialog_textbox so that it can exit on arbitrary keypresses
The caller will be able to perform actions based on hotkeys in the displayed
text.

Signed-off-by: Benjamin Poirier <bpoirier@suse.de>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2012-09-27 18:08:14 +02:00
Benjamin Poirier b9d29abd98 menuconfig: Remove superfluous conditionnal
Because end_reached is set to 0 before the loop, the test "!end_reached" is
always true and can be removed. This structure was perhaps copied from the
similar one in back_lines().

Signed-off-by: Benjamin Poirier <bpoirier@suse.de>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2012-09-27 18:08:13 +02:00
Andi Kleen b589c8ae09 Kbuild: use normal compression settings for tar*-pkg
For large kernel configurations (like a distribution kernel)
targz-pkg takes a quite long time to just do the compression.
I clocked it at 15+mins for a SUSE kernel like config on a fast
system.  And tarxz and bzip2 are even slower.

The main reason is that the script that is doing the taring sets
the highest compression level (-9).  When I change it to just
use the defaults the gzip time for the same kernel goes down
to ~3 mins. I haven't tested xz and bzip, but I expect those
to be much faster too.

I'm not willing to wait that long for a small compression
gain. So just change the script to use the defaults.

Signed-off-by: Andi Kleen <ak@linux.intel.com>
Reviewed-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2012-09-27 16:56:59 +02:00
Michal Marek fe04ddf7c2 kbuild: Do not package /boot and /lib in make tar-pkg
There were reports of users destroying their Fedora installs by a kernel
tarball that replaces the /lib -> /usr/lib symlink. Let's remove the
toplevel directories from the tarball to prevent this from happening.

Reported-by: Andi Kleen <andi@firstfloor.org>
Suggested-by: Ben Hutchings <ben@decadent.org.uk>
Cc: <stable@kernel.org>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2012-09-27 16:26:19 +02:00
Heiko Carstens eb608fb366 s390/exceptions: switch to relative exception table entries
This is the s390 port of 70627654 "x86, extable: Switch to relative
exception table entries".
Reduces the size of our exception tables by 50% on 64 bit builds.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2012-09-26 15:45:10 +02:00
Linus Torvalds e108a3c326 Merge branch 'akpm' (sundry from Andrew)
Merge misc fixes from Andrew Morton:
 "One maintainer change and three bugfixes"

* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (4 commits)
  c/r: prctl: fix build error for no-MMU case
  lib/flex_proportions.c: fix corruption of denominator in flexible proportions
  checksyscalls: fix "here document" handling
  pwm-backlight: take over maintenance
2012-09-25 09:00:02 -07:00
Heiko Carstens 0e75898fe2 checksyscalls: fix "here document" handling
"echo" doesn't read from stdin, therefore the checksyscalls script didn't
warn about not implemented system calls anymore since 29dc54c6
("checksyscalls: Use arch/x86/syscalls/syscall_32.tbl as source").

Use "cat" instead of "echo" which handles this correctly.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Michal Marek <mmarek@suse.cz>
Cc: H. Peter Anvin <hpa@linux.intel.com>
Cc: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-09-25 08:59:21 -07:00
Linus Torvalds 56bae80268 Merge branch 'rc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild
Pull kbuild fixes from Michal Marek:
 "There are two more kbuild fixes for 3.6.

  One fixes a race between x86's archscripts target and the rule
  (re)building scripts/basic/fixdep.  The second is a fix for the
  previous attempt at fixing make firmware_install with make 3.82.
  This new solution should work with any version of GNU make"

* 'rc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild:
  x86/kbuild: archscripts depends on scripts_basic
  firmware: fix directory creation rule matching with make 3.80
2012-09-23 15:40:58 -07:00
Mark Asselstine c1c1a59e37 firmware: fix directory creation rule matching with make 3.80
Since make 3.80 doesn't support secondary expansion it uses a fallback
rule to create firmware directories which is matched after primary
expansion of the $(installed-fw) rule's prerequisite. Commit
6c7080a61f [firmware: fix directory creation rule matching with make
3.82] changed the expression generated after primary expansion such
that the fallback was not matched. Updating the fallback rule to match
the new look primary expansion is not an option for various reasons.

The trailing slash added here to $(INSTALL_FW_PATH)/. while defining
installed-fw-dirs fixes builds with make 3.82 since this will provide
a matching rule for $(INSTALL_FW_PATH)/$$(dir %) when % is in the base
firmware directory (ie. $(dir %) gives './'). Versions of make prior
to 3.82 will strip this trailing slash along with the one generated by
$(dir %) when % is in the base firmware directory and as such continue
to function as before.

Signed-off-by: Mark Asselstine <mark.asselstine@windriver.com>
Tested-by: Jan Beulich <jbeulich@suse.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2012-09-21 13:15:42 +02:00
Greg Kroah-Hartman 6a2a2cdd57 Merge 3.6-rc6 into staging-next
This pulls in the staging tree fixes in 3.6-rc6 into our branch to resolve the
merge issues.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-09-16 17:17:25 -07:00
Ingo Molnar 4553f0b90e Merge branch 'core/rcu' into perf/core
Steve Rostedt asked for the merge of a single commit, into both
the RCU and the perf/tracing tree:

 | Josh made a change to the tracing code that affects both the
 | work Paul McKenney and I are currently doing. At the last
 | Kernel Summit back in August, Linus said when such a case
 | exists, it is best to make a separate branch based off of his
 | tree and place the change there. This way, the repositories
 | that need to share the change can both pull them in and the
 | SHA1 will match for both. Whichever branch is pulled in first
 | by Linus will also pull in the necessary change for the other
 | branch as well.

Signed-off-by: Ingo Molnar <mingo@kernel.org>
2012-09-13 17:18:38 +02:00
Linus Torvalds 2a1497c3c4 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/lliubbo/blackfin
Pull blackfin updates from Bob Liu:
 "One kbuild and a smp build fix."

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/lliubbo/blackfin:
  kbuild: add symbol prefix arg to kallsyms
  blackfin: smp: adapt to generic smp helpers
2012-09-12 07:12:53 +08:00
James Hogan 6895f97e15 kbuild: add symbol prefix arg to kallsyms
Commit 1f2bfbd00e ("kbuild: link of
vmlinux moved to a script") introduced in v3.5-rc1 broke kallsyms on
architectures which have symbol prefixes.

The --symbol-prefix argument used to be added to the KALLSYMS command
line from the architecture Makefile, however this isn't picked up by the
new scripts/link-vmlinux.sh. This resulted in symbols like
kallsyms_addresses being added which weren't correctly overriding the
weak symbols such as _kallsyms_addresses. These could then trigger
BUG_ONs in kallsyms code.

This is fixed by removing the KALLSYMS addition from the architecture
Makefile, and using CONFIG_SYMBOL_PREFIX in the link-vmlinux.sh script
to determine whether to add the --symbol-prefix argument.

Signed-off-by: James Hogan <james.hogan@imgtec.com>
Signed-off-by: Bob Liu <lliubbo@gmail.com>
2012-09-11 10:25:12 +08:00
Jens Taprogge 5948ae27fb staging/ipack: Fix bug introduced by IPack device matching
~0 can not be casted to u8.  Instead of using the IPACK_ANY_ID for the format
field we introduce a new IPACK_ANY_FORMAT specifically for that field and
defined as 0xff.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Jens Taprogge <jens.taprogge@taprogge.org>
Acked-by: Samuel Iglesias Gonsálvez <siglesias@igalia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-09-07 08:27:34 -07:00
Linus Torvalds bd12ce8cc2 Merge branch 'rc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild
Pull kbuild fixes from Michal Marek:
 "These are two fixes that should go into 3.6.  The link-vmlinux.sh one
  is obvious.

  The other one fixes make firmware_install with certain configurations,
  where a file in the toplevel firmware tree gets installed first, and
  $(INSTALL_FW_PATH)/$$(dir <file>) results in /lib/firmware/./, which
  confuses make 3.82 for some reason."

* 'rc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild:
  firmware: fix directory creation rule matching with make 3.82
  link-vmlinux.sh: Fix stray "echo" in error message
2012-09-06 09:38:25 -07:00
Jens Taprogge 849e0ad257 Staging: ipack: implement ipack device table.
The modaliases look like ipack:fXvNdM, where X is the format version (8
bit) and N and M are the vendor and device ID represented as 32 bit
hexadecimal numbers each. Using 32 bits allows us to define IPACK_ANY_ID
as (~0) without interfering with the valid ids.

The resulting modalias string for ipoctal.ko looks like this (once
ipoctal provides a device table):
alias:          ipack:f01v000000F0d00000048*
alias:          ipack:f01v000000F0d0000002A*
alias:          ipack:f01v000000F0d00000022*
(output from modinfo)

Signed-off-by: Jens Taprogge <jens.taprogge@taprogge.org>
Signed-off-by: Samuel Iglesias Gonsálvez <siglesias@igalia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-09-04 14:43:26 -07:00
Fengguang Wu 7c6c4d5c4a Coccinelle: fix typo in memdup_user.cocci
Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2012-09-01 08:52:13 -07:00
이건호 ef591a5506 scripts/Makefile.modpost: error in finding modules from .mod files.
This error may happen when the user's id or path includes .ko string.
For example, user's id is xxx.ko and building test.ko module,
the test.mod file lists ko name and all object files.
   /home/xxx.ko/kernel_dev/device/drivers/test.ko
   /home/xxx.ko/kernel_dev/device/drivers/test_main.o
/home/xxx.ko/kernel_dev/device/drivers/test_io.o ...
Current Makefile.modpost and Makefile.modinst find and list up not
only test.ko but also other object files.
because all of object file's path includes .ko string.
This is a patch to fix it.

Signed-off-by: Gunho Lee <gunho.lee@lge.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2012-08-31 17:37:54 +02:00
Kirill Tkhai 22beb565d4 scripts/tags.sh: Add magic for pci access functions
scripts/tags.sh: Add magic for pci access functions

Make [ce]tags find the pci_bus_read_config_* and pci_bus_write_config_*
definitions

Signed-off-by: Kirill Tkhai <tkhai@yandex.ru>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2012-08-31 17:14:19 +02:00
Adam Lee 1d52a4a791 kconfig: document oldnoconfig to what it really does in conf.c
As 67d34a6a39 said, the make target
'oldnoconfig' is a misnomer. It doesn't set new symbols to 'n', but
instead sets it to their default values.

This patch fixes the document in conf.c, and will submit another patch
to replace 'oldnoconfig' to 'olddefconfig'

Signed-off-by: Adam Lee <adam8157@gmail.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2012-08-31 16:56:51 +02:00
Lars-Peter Clausen 3085897359 scripts/coccinelle: ptr_ret: Add ternary operator version
Add a ternary operator version of the open-coded PTR_RET().

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2012-08-31 16:55:15 +02:00
Dan Luedtke 1b40c1944d scripts/kernel-doc: added support for html5
New output option html5 writes validating HTML5 and adds
CSS classes ready to be selected by third-party stylesheets.
HTML ids have been added to block-level elements "article" for
direct reference of particular objects via URL.

Signed-off-by: Dan Luedtke <mail@danrl.de>
Acked-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2012-08-31 15:34:39 +02:00
Mark Asselstine 6c7080a61f firmware: fix directory creation rule matching with make 3.82
Attempting to run 'firmware_install' with CONFIG_USB_SERIAL_TI=y when
using make 3.82 results in an error

make[2]: *** No rule to make target `/lib/firmware/./', needed by
`/lib/firmware/ti_3410.fw'.  Stop.

It turns out make 3.82 is picky when matching directory names with
trailing slashes as a result, where make 3.81 would handle this
correctly make 3.82 does not find the rule needed to create the
directory.

The './' seen in the error is added by $(dir) for firmware which
resides in the base firmware src directory, such as
ti_3410.fw.ihex. By performing $(dir) after we prepend the
$(INSTALL_FW_PATH) we can ensure we don't end up with a './' in the
middle of the path and the directory will be properly created.

This change works with make 3.81 and should work with previous
versions as well.

Signed-off-by: Mark Asselstine <mark.asselstine@windriver.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2012-08-30 16:27:13 +02:00
Dirk Gouders 3eb95c84ee kconfig/mconf.c: revision of curses initialization.
Since commit d0e1e09568 initscr() is called twice in mconf.

Do it only in init_dialog() in util.c and there also save the
cursor position for the signal handler in mconf.c.

Signed-off-by: Dirk Gouders <gouders@et.bocholt.fh-gelsenkirchen.de>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2012-08-30 14:47:34 +02:00
Ingo Molnar 508dc4f8ee Merge branch 'perf/urgent' into perf/core
Pick up the latest fixes because upcoming uprobes changes will rely on it.

Signed-off-by: Ingo Molnar <mingo@kernel.org>
2012-08-28 18:05:55 +02:00
Steven Rostedt 48bb5dc6cd ftrace: Make recordmcount.c handle __fentry__
With gcc 4.6.0 the -mfentry feature places the function profiling
call at the start of the function. When this is used, the call is
to __fentry__ and not mcount.

Change recordmcount.c to record both callers to __fentry__ and
mcount.

Link: http://lkml.kernel.org/r/20120807194058.990674363@goodmis.org

Acked-by: H. Peter Anvin <hpa@linux.intel.com>
Acked-by: John Reiser <jreiser@bitwagon.com>
Acked-by: Ingo Molnar <mingo@kernel.org>
Cc: Andi Kleen <andi@firstfloor.org>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2012-08-23 11:24:43 -04:00
Joe Perches ac8e97f8a7 checkpatch: add control statement test to SINGLE_STATEMENT_DO_WHILE_MACRO
Commit b13edf7ff2 ("checkpatch: add checks for do {} while (0) macro
misuses") added a test that is overly simplistic for single statement
macros.

Macros that start with control tests should be enclosed in a do {} while
(0) loop.

Add the necessary control tests to the check.

Signed-off-by: Joe Perches <joe@perches.com>
Acked-by: Andy Whitcroft <apw@canonical.com>
Tested-by: Franz Schrober <franzschrober@yahoo.de>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-08-21 16:45:02 -07:00
Randy Dunlap 0df7c0e3a7 scripts/kernel-doc: fix fatal script error
Fix fatal error in scripts/kernel-doc by ignoring the "__weak" attribute:

  Error(drivers/pci/pci.c:2820): cannot understand prototype: 'char * __weak pcibios_setup(char *str) '

Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-08-17 09:19:07 -07:00
Bill Pemberton 45f4c81d69 localmodconfig: Use my variable for loop in streamline_config.pl
perlcritic complains about $kconfig being reused in the foreach loop
at the end of read_kconfig.  Change it to a my variable.

Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2012-08-16 16:09:48 -04:00
Bill Pemberton e0d28694d3 localmodconfig: Use 3 parameter open in streamline_config.pl
Convert remaining open calls to use the perl's preferred 3 parameter
open.

Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2012-08-16 16:09:38 -04:00
Bill Pemberton 3f0c541316 localmodconfig: Rework find_config in streamline_config.pl
Change find_config function to read_config.  It now finds the config,
reads the config into an array, and returns the array.  This makes it
a little cleaner and changes the open to use perl's 3 option open.

Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2012-08-16 16:09:16 -04:00
Bill Pemberton 224a257190 localmodconfig: Set default value for ksource in streamline_config.pl
Running streamline_config.pl as it's shown it in the comment header,
you will get a warning about $ksource being uninitialized.  This is
because $ksource is set to ARGV[0], but the examples don't require any
arguments.  Fix by setting ksource to . if no ARGV[0] is given.

Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2012-08-16 16:08:37 -04:00
Borislav Petkov 2a95e37c12 scripts/decodecode: Fixup trapping instruction marker
When dumping "Code: " sections from an oops, the trapping instruction
%rip points to can be a string copy

  2b:*  f3 a5                   rep movsl %ds:(%rsi),%es:(%rdi)

and the line contain a bunch of ":".  Current "cut" selects only the and
the second field output looks funnily overlaid this:

  2b:*  f3 a5                   rep movsl %ds     <-- trapping instruction:(%rsi),%es:(%rdi

Fix this by selecting the remaining fields too.

Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: linux-kbuild@vger.kernel.org
Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-08-16 11:15:09 -07:00
Michal Marek 367e43c50d link-vmlinux.sh: Fix stray "echo" in error message
Reported-by: Jan Engelhardt <jengelh@inai.de>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2012-08-10 11:55:11 +02:00
Linus Torvalds 26847fa6eb Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 updates from Martin Schwidefsky:
 "This it the second batch of s390 patches for the 3.6 merge window.
  Included is enablement for two common code changes, killable page
  faults and sorted exception tables.  And the regular set of cleanup
  and bug fix patches."

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
  s390: make use of user_mode() macro where possible
  s390/mm: rename user_mode variable to addressing_mode
  s390/mm: fix fault handling for page table walk case
  s390/mm: make page faults killable
  s390: update defconfig
  s390/mm: downgrade page table after fork of a 31 bit process
  s390/ipl: Use diagnose 8 command separation
  s390/linker script: use RO_DATA_SECTION
  s390/exceptions: sort exception table at build time
  s390/debug: remove module_exit function / move EXPORT_SYMBOLs
2012-07-31 15:32:05 -07:00
Linus Torvalds 27c1ee3f92 Merge branch 'akpm' (Andrew's patch-bomb)
Merge Andrew's first set of patches:
 "Non-MM patches:

   - lots of misc bits

   - tree-wide have_clk() cleanups

   - quite a lot of printk tweaks.  I draw your attention to "printk:
     convert the format for KERN_<LEVEL> to a 2 byte pattern" which
     looks a bit scary.  But afaict it's solid.

   - backlight updates

   - lib/ feature work (notably the addition and use of memweight())

   - checkpatch updates

   - rtc updates

   - nilfs updates

   - fatfs updates (partial, still waiting for acks)

   - kdump, proc, fork, IPC, sysctl, taskstats, pps, etc

   - new fault-injection feature work"

* Merge emailed patches from Andrew Morton <akpm@linux-foundation.org>: (128 commits)
  drivers/misc/lkdtm.c: fix missing allocation failure check
  lib/scatterlist: do not re-write gfp_flags in __sg_alloc_table()
  fault-injection: add tool to run command with failslab or fail_page_alloc
  fault-injection: add selftests for cpu and memory hotplug
  powerpc: pSeries reconfig notifier error injection module
  memory: memory notifier error injection module
  PM: PM notifier error injection module
  cpu: rewrite cpu-notifier-error-inject module
  fault-injection: notifier error injection
  c/r: fcntl: add F_GETOWNER_UIDS option
  resource: make sure requested range is included in the root range
  include/linux/aio.h: cpp->C conversions
  fs: cachefiles: add support for large files in filesystem caching
  pps: return PTR_ERR on error in device_create
  taskstats: check nla_reserve() return
  sysctl: suppress kmemleak messages
  ipc: use Kconfig options for __ARCH_WANT_[COMPAT_]IPC_PARSE_VERSION
  ipc: compat: use signed size_t types for msgsnd and msgrcv
  ipc: allow compat IPC version field parsing if !ARCH_WANT_OLD_COMPAT_IPC
  ipc: add COMPAT_SHMLBA support
  ...
2012-07-30 17:25:34 -07:00
Joe Perches b13edf7ff2 checkpatch: add checks for do {} while (0) macro misuses
These types of macros should not be used for either a single statement
nor should the macro end with a semi-colon.

Add tests for these conditions.

Signed-off-by: Joe Perches <joe@perches.com>
Cc: Andy Whitcroft <apw@canonical.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-07-30 17:25:17 -07:00
Joe Perches 66c80b6077 checkpatch: Add acheck for use of sizeof without parenthesis
Kernel style uses parenthesis around sizeof.

Signed-off-by: Joe Perches <joe@perches.com>
Cc: Andy Whitcroft <apw@canonical.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-07-30 17:25:17 -07:00
Joe Perches 4a273195a5 checkpatch: check usleep_range() arguments
usleep_range() shouldn't use the same args for min and max.

Report it when it happens and when both args are decimal and min > max.

Signed-off-by: Joe Perches <joe@perches.com>
Cc: Yuval Mintz <yuvalmin@broadcom.com>
Cc: Andy Whitcroft <apw@shadowen.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-07-30 17:25:17 -07:00
Joe Perches ce0338df3c checkpatch: test for non-standard signatures
Warn on non-standard signature styles.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-07-30 17:25:17 -07:00
Joe Perches b34a26f315 checkpatch: Update alignment check
Parenthesis alignment doesn't correctly check an existing line after an
inserted or modified line with an open parenthesis.

Fix it.

Signed-off-by: Joe Perches <joe@perches.com>
Cc: Andy Whitcroft <apw@canonical.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-07-30 17:25:17 -07:00
Linus Torvalds f6bcfc9dd4 Improve localmodconfig to remove even more unused module configs.
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Merge tag 'localmodconfig-v3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-kconfig

Pull localmodconfig updates from Steven Rostedt:
 "Improve localmodconfig to remove even more unused module configs.

  These changes drastically improve the amount of module configs removed
  from a config file.  It also adds some debug that I can have users
  easily enable if things do not work for them."

* tag 'localmodconfig-v3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-kconfig:
  localmodconfig: Add debug environment variable LOCALMODCONFIG_DEBUG
  localmodconfig: Check if configs are already set for selects
  localmodconfig: Read in orig config file to avoid extra processing
  localmodconfig: Comments and cleanup for streamline_config.pl
2012-07-30 13:17:41 -07:00
Linus Torvalds f6774cbcad Merge branch 'misc' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild
Pull misc kbuild changes from Michal Marek:
 "This is the non-critical part of kbuild for v3.6-rc1:

   - Two new coccinelle semantic patches
   - New scripts/tags.sh regexp
   - scripts/config improvements that I mistakenly applied here instead
     of in the kconfig branch (but there are no conflicts)
   - Debian packaging fixes"

* 'misc' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild:
  scripts/tags.sh: Teach [ce]tags about libtraceeevent error codes
  scripts/coccinelle: list iterator variable semantic patch
  scripts/coccinelle: Find threaded IRQs requests which are missing IRQF_ONESHOT
  deb-pkg: Add all Makefiles to header package
  deb-pkg: Install linux-firmware-image in versioned dir
  scripts/config: add option to undef a symbol
  scripts/config: allow alternate prefix to config option symbol
  scripts/config: add option to not upper-case symbols
2012-07-30 11:23:37 -07:00
Linus Torvalds b4e2ed3255 Merge branch 'kconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild
Pull kconfig changes from Michal Marek:
 - kconfig Makefile portability fixes
 - menuconfig/nconfig help pager usability fix
 - .gitignore cleanup
 - quoting fix in scripts/config
 - Makefile prints errors to stderr
 - support for arbitrarily log lines in .config
 - fix oldnoconfig description in 'make help'

* 'kconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild:
  kconfig: Document oldnoconfig to what it really does
  nconf: add u, d command keys in scroll windows
  menuconfig: add u, d, q command keys in text boxes
  scripts/config: fix double-quotes un-escaping
  kconfig: Print errors to stderr in the Makefile
  kconfig: allow long lines in config file
  kconfig: remove lkc_defs.h from .gitignore and dontdiff
  xconfig: add quiet rule for moc
  xconfig: use pkgconfig to find moc
  kconfig: fix check-lxdialog for DLL platforms
  kconfig: check ncursesw headers first in check-lxdialog
  kconfig/nconf: fix compile with ncurses reentrant API
2012-07-30 11:22:45 -07:00
Linus Torvalds c66d70773c Merge branch 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild
Pull kbuild fix from Michal Marek:
 "The main kbuild branch ended up with a single commit this time, a fix
  to send errors to stderr"

* 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild:
  kbuild: Print errors to stderr
2012-07-30 11:22:00 -07:00
Linus Torvalds 9fc377799b USB patches for 3.6-rc1
Here's the big USB patch set for the 3.6-rc1 merge window.
 
 Lots of little changes in here, primarily for gadget controllers and drivers.
 There's some scsi changes that I think also went in through the scsi tree, but
 they merge just fine.  All of these patches have been in the linux-next tree
 for a while now.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-3.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB patches from Greg Kroah-Hartman:
 "Here's the big USB patch set for the 3.6-rc1 merge window.

  Lots of little changes in here, primarily for gadget controllers and
  drivers.  There's some scsi changes that I think also went in through
  the scsi tree, but they merge just fine.  All of these patches have
  been in the linux-next tree for a while now.

  Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>"

Fix up trivial conflicts in include/scsi/scsi_device.h (same libata
conflict that Jeff had already encountered)

* tag 'usb-3.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (207 commits)
  usb: Add USB_QUIRK_RESET_RESUME for all Logitech UVC webcams
  usb: Add quirk detection based on interface information
  usb: s3c-hsotg: Add header file protection macros in s3c-hsotg.h
  USB: ehci-s5p: Add vbus setup function to the s5p ehci glue layer
  USB: add USB_VENDOR_AND_INTERFACE_INFO() macro
  USB: notify phy when root hub port connect change
  USB: remove 8 bytes of padding from usb_host_interface on 64 bit builds
  USB: option: add ZTE MF821D
  USB: sierra: QMI mode MC7710 moved to qcserial
  USB: qcserial: adding Sierra Wireless devices
  USB: qcserial: support generic Qualcomm serial ports
  USB: qcserial: make probe more flexible
  USB: qcserial: centralize probe exit path
  USB: qcserial: consolidate usb_set_interface calls
  USB: ehci-s5p: Add support for device tree
  USB: ohci-exynos: Add support for device tree
  USB: ehci-omap: fix compile failure(v1)
  usb: host: tegra: pass correct pointer in ehci_setup()
  USB: ehci-fsl: Update ifdef check to work on 64-bit ppc
  USB: serial: keyspan: Removed unrequired parentheses.
  ...
2012-07-26 10:23:47 -07:00
Steven Rostedt 67d34a6a39 kconfig: Document oldnoconfig to what it really does
The make target 'oldnoconfig' is a misnomer. It doesn't set new symbols
to 'n', but instead sets it to their default values.

Unfortunately, assuming that it actually did this, broke ktest in some
of its tests. For example, the tests to create a minimum config and even
a config bisect, depends on removing various configs and using
oldnoconfig to get rid of other configs that may have depended on it.

But because some configs that it was trying to disable, were in fact
default enabled, this caused those configs to re-enable and corrupt the
test.

I thought about fixing oldnoconfig, but I'm afraid that people are
already dependent on its current behavior. Instead, I'm just updating
the documentation to state that it sets the new symbols to their default
values and not to 'n'.

Ideally, this would be called, 'olddefconfig' and we have an
'oldnoconfig' that actually disables the new symbols. But it's useless
for me now. If it changed, ktest would need to be consistent between
each version, and that would be to difficult to detect. I'll handle this
issue with ktest with other means.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2012-07-26 14:32:01 +02:00
Namhyung Kim 1fa850596d scripts/tags.sh: Teach [ce]tags about libtraceeevent error codes
As we use a macro trick to sync each error codes with its
description string, teach [ce]tags to process them properly.

Suggested-by: Steven Rostedt <rostedt@goodmis.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Link: http://lkml.kernel.org/n/tip-qt5fv4pzigr2nnl27ydimg4h@git.kernel.org
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Acked-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2012-07-26 14:31:23 +02:00
Benjamin Poirier d68e818bc4 nconf: add u, d command keys in scroll windows
They function just like they do in less(1).
Also correct some discrepancy between the help text and the code wrt
function keys.

Signed-off-by: Benjamin Poirier <bpoirier@suse.de>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2012-07-26 12:20:46 +02:00
Benjamin Poirier 9d4792c9b4 menuconfig: add u, d, q command keys in text boxes
They function just like they do in less(1).

Signed-off-by: Benjamin Poirier <bpoirier@suse.de>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2012-07-26 12:20:43 +02:00
Yann E. MORIN 1925a276af scripts/config: fix double-quotes un-escaping
When reporting a string value, only the first double-quote was
un-escaped. We need to un-escape all escaped double-quotes.

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2012-07-26 12:20:01 +02:00
Heiko Carstens 3193a98dc8 s390/exceptions: sort exception table at build time
Follow x86 and MIPS and sort the main exception table at build time.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2012-07-26 10:07:25 +02:00
Linus Torvalds 6dd53aa456 PCI changes for the 3.6 merge window:
Host bridge hotplug
     - Add MMCONFIG support for hot-added host bridges (Jiang Liu)
   Device hotplug
     - Move fixups from __init to __devinit (Sebastian Andrzej Siewior)
     - Call FINAL fixups for hot-added devices, too (Myron Stowe)
     - Factor out generic code for P2P bridge hot-add (Yinghai Lu)
     - Remove all functions in a slot, not just those with _EJx (Amos Kong)
   Dynamic resource management
     - Track bus number allocation (struct resource tree per domain) (Yinghai Lu)
     - Make P2P bridge 1K I/O windows work with resource reassignment (Bjorn Helgaas, Yinghai Lu)
     - Disable decoding while updating 64-bit BARs (Bjorn Helgaas)
   Power management
     - Add PCIe runtime D3cold support (Huang Ying)
   Virtualization
     - Add VFIO infrastructure (ACS, DMA source ID quirks) (Alex Williamson)
     - Add quirks for devices with broken INTx masking (Jan Kiszka)
   Miscellaneous
     - Fix some PCI Express capability version issues (Myron Stowe)
     - Factor out some arch code with a weak, generic, pcibios_setup() (Myron Stowe)
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Merge tag 'for-3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci

Pull PCI changes from Bjorn Helgaas:
 "Host bridge hotplug:
    - Add MMCONFIG support for hot-added host bridges (Jiang Liu)
  Device hotplug:
    - Move fixups from __init to __devinit (Sebastian Andrzej Siewior)
    - Call FINAL fixups for hot-added devices, too (Myron Stowe)
    - Factor out generic code for P2P bridge hot-add (Yinghai Lu)
    - Remove all functions in a slot, not just those with _EJx (Amos
      Kong)
  Dynamic resource management:
    - Track bus number allocation (struct resource tree per domain)
      (Yinghai Lu)
    - Make P2P bridge 1K I/O windows work with resource reassignment
      (Bjorn Helgaas, Yinghai Lu)
    - Disable decoding while updating 64-bit BARs (Bjorn Helgaas)
  Power management:
    - Add PCIe runtime D3cold support (Huang Ying)
  Virtualization:
    - Add VFIO infrastructure (ACS, DMA source ID quirks) (Alex
      Williamson)
    - Add quirks for devices with broken INTx masking (Jan Kiszka)
  Miscellaneous:
    - Fix some PCI Express capability version issues (Myron Stowe)
    - Factor out some arch code with a weak, generic, pcibios_setup()
      (Myron Stowe)"

* tag 'for-3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (122 commits)
  PCI: hotplug: ensure a consistent return value in error case
  PCI: fix undefined reference to 'pci_fixup_final_inited'
  PCI: build resource code for M68K architecture
  PCI: pciehp: remove unused pciehp_get_max_lnk_width(), pciehp_get_cur_lnk_width()
  PCI: reorder __pci_assign_resource() (no change)
  PCI: fix truncation of resource size to 32 bits
  PCI: acpiphp: merge acpiphp_debug and debug
  PCI: acpiphp: remove unused res_lock
  sparc/PCI: replace pci_cfg_fake_ranges() with pci_read_bridge_bases()
  PCI: call final fixups hot-added devices
  PCI: move final fixups from __init to __devinit
  x86/PCI: move final fixups from __init to __devinit
  MIPS/PCI: move final fixups from __init to __devinit
  PCI: support sizing P2P bridge I/O windows with 1K granularity
  PCI: reimplement P2P bridge 1K I/O windows (Intel P64H2)
  PCI: disable MEM decoding while updating 64-bit MEM BARs
  PCI: leave MEM and IO decoding disabled during 64-bit BAR sizing, too
  PCI: never discard enable/suspend/resume_early/resume fixups
  PCI: release temporary reference in __nv_msi_ht_cap_quirk()
  PCI: restructure 'pci_do_fixups()'
  ...
2012-07-24 16:17:07 -07:00
Linus Torvalds d14b7a419a Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
Pull trivial tree from Jiri Kosina:
 "Trivial updates all over the place as usual."

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (29 commits)
  Fix typo in include/linux/clk.h .
  pci: hotplug: Fix typo in pci
  iommu: Fix typo in iommu
  video: Fix typo in drivers/video
  Documentation: Add newline at end-of-file to files lacking one
  arm,unicore32: Remove obsolete "select MISC_DEVICES"
  module.c: spelling s/postition/position/g
  cpufreq: Fix typo in cpufreq driver
  trivial: typo in comment in mksysmap
  mach-omap2: Fix typo in debug message and comment
  scsi: aha152x: Fix sparse warning and make printing pointer address more portable.
  Change email address for Steve Glendinning
  Btrfs: fix typo in convert_extent_bit
  via: Remove bogus if check
  netprio_cgroup.c: fix comment typo
  backlight: fix memory leak on obscure error path
  Documentation: asus-laptop.txt references an obsolete Kconfig item
  Documentation: ManagementStyle: fixed typo
  mm/vmscan: cleanup comment error in balance_pgdat
  mm: cleanup on the comments of zone_reclaim_stat
  ...
2012-07-24 13:34:56 -07:00
Masatake YAMATO 4fec54203f trivial: typo in comment in mksysmap
Signed-off-by: Masatake YAMATO <yamato@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2012-07-20 10:36:05 +02:00
Julia Lawall 6fcd5f2c00 scripts/coccinelle: list iterator variable semantic patch
If list_for_each_entry, etc complete a traversal of the list, the iterator
variable ends up pointing to an address at an offset from the list head,
and not a meaningful structure.  Thus this value should not be used after
the end of the iterator.

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2012-07-13 23:06:34 +02:00
Michal Marek 5b580fa671 kconfig: Print errors to stderr in the Makefile
Signed-off-by: Michal Marek <mmarek@suse.cz>
2012-07-13 23:04:30 +02:00
Cody Schafer 1a7a8c6fd8 kconfig: allow long lines in config file
For some config options (CONFIG_EXTRA_FIRMWARE, for example), the length
of a config file line can exceed the 1024 byte buffer.

Switch from fgets to compat_getline to fix. compat_getline is an
internally implimented getline work-alike for portability purposes.

Signed-off-by: Cody Schafer <cody@linux.vnet.ibm.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2012-07-13 22:51:30 +02:00
Lars-Peter Clausen f1f4550479 scripts/coccinelle: Find threaded IRQs requests which are missing IRQF_ONESHOT
Since commit 1c6c69525b ("genirq: Reject bogus threaded irq requests") threaded
IRQs without a primary handler need to be requested with IRQF_ONESHOT, otherwise
the request will fail. This semantic patch will help to statically identify
(and fix) such cases.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2012-07-13 15:57:31 +02:00
Paul Bolle 92b72e8bcb kconfig: remove lkc_defs.h from .gitignore and dontdiff
Commit 5a6f8d2bd9 ("kconfig: nuke
LKC_DIRECT_LINK cruft") removed all traces of lkc_defs.h from the tree.
Remove its entries in dontdiff and kconfig's .gitignore file too.

Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2012-07-13 15:08:25 +02:00
Yaakov Selkowitz ebca026a79 xconfig: add quiet rule for moc
Also add a dependency on .tmp_qtcheck for KC_QT_MOC.

Signed-off-by: Yaakov Selkowitz <yselkowitz@users.sourceforge.net>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2012-07-13 14:27:17 +02:00
Yaakov Selkowitz 48485949b4 xconfig: use pkgconfig to find moc
Various schemes exist to allow parallel installations of multiple major
versions of Qt (4.x with the previous 3.x and/or the upcoming 5.x).
QtCore.pc includes a moc_location variable which should be a more reliable
way to find moc.

Signed-off-by: Yaakov Selkowitz <yselkowitz@users.sourceforge.net>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2012-07-13 14:27:13 +02:00
Michal Marek 5369f55021 kbuild: Print errors to stderr
... at least in the top-level Makefile and scripts/link-vmlinux.sh.
There are some more instances of the 'echo <error>; exit 1' pattern in
some arch Makefiles and kconfig.

Reported-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2012-07-07 23:33:31 +02:00
Greg Kroah-Hartman e765bf84d5 Merge 3.5-rc5 into usb-next
This resolves a merge issue with the option.c USB serial driver.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-07-05 08:58:03 -07:00
Yaakov Selkowitz 3725f3ed12 kconfig: fix check-lxdialog for DLL platforms
Import libraries on Cygwin and MinGW/MSYS use the .dll.a suffix, so
checking this suffix is necessary to make sure ncurses will still be
found when built without static libraries.

Signed-off-by: Yaakov Selkowitz <yselkowitz@users.sourceforge.net>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2012-07-04 18:28:14 +02:00
Yaakov Selkowitz 84354256bf kconfig: check ncursesw headers first in check-lxdialog
Commit 8c41e5e363 added a check for
ncursesw/curses.h for the case where ncurses and ncursesw are build
separately but only one is installed.  But if both are installed,
the headers ncurses/curses.h and ncursesw/curses.h differ, and since
libncursesw will be found first, so should ncursesw/curses.h.

Signed-off-by: Yaakov Selkowitz <yselkowitz@users.sourceforge.net>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2012-07-04 18:26:35 +02:00
Yaakov Selkowitz d7c67a2e93 kconfig/nconf: fix compile with ncurses reentrant API
ESCDELAY is a global variable which is replaced by getter and setter
functions with NCURSES_REENTRANT.  This fixes the following error:

nconf.c: In function ‘main’:
nconf.c:1506:2: error: lvalue required as left operand of assignment

Signed-off-by: Yaakov Selkowitz <yselkowitz@users.sourceforge.net>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2012-07-04 18:23:48 +02:00
maximilian attems 5f011d7159 deb-pkg: Add all Makefiles to header package
I discovered that make deb-pkg does not add Makefile_32.cpu from
arch/x86 directory when doing i386 kernel build and package build.
Fix it by greedily adding all Makefiles.

Reported-by: Witold Baryluk <baryluk@smp.if.uj.edu.pl>
Signed-off-by: maximilian attems <max@stro.at>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2012-06-28 10:48:08 +02:00
maximilian attems 6607ddadf9 deb-pkg: Install linux-firmware-image in versioned dir
That way they don't file conflict with official firmware package:
 trying to overwrite '/lib/firmware/qlogic/1040.bin', which is
               also in package firmware-qlogic 0.35
..

Reported-by: Michael Prokop <mika@debian.org>
Signed-off-by: maximilian attems <max@stro.at>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2012-06-28 10:46:25 +02:00
Yann E. MORIN d5bfb6b381 scripts/config: add option to undef a symbol
It is currently possible to enable, disable or modularise
a symbol. Also, an undefined symbol is reported as such.

Add a new command to undefine a symbol, by removing the
corresponding line from the .config file.

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2012-06-28 10:38:54 +02:00
Yann E. MORIN f5ef2f7bf2 scripts/config: allow alternate prefix to config option symbol
While the Linux kernel uses 'CONFIG_' as a prefix to the config options
symbols, many projects that use kconfig may use different prefixes, or
even none at all.

If the CONFIG_ environment variable is set, use it as the prefix (empty
is a valid prefix). Otherwise, use the default prefix 'CONFIG_'.

This matches the support for alternate prefixes in scripts/kconfig/lkc.h,
which uses the same logic (albeit with a C define instead of an environment
variable).

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2012-06-28 10:38:54 +02:00
Yann E. MORIN 4edc7e32af scripts/config: add option to not upper-case symbols
Currently, scripts/config mangles the config option symbols to always
be upper-case.

While the Linux kernel almost exclusively uses upper-case symbols, there
are still a few symbols with lower-case which this script can not handle:

  $ grep -r -E '^[[:space:]]*config[[:space:]]+[^[:space:]]*[[:lower:]][^[:space:]=.]*$' . |wc -l
  173
(that's roughly 1.3% of the symbols in 3.5-rc1)

Eg.:
  ./arch/arm/Kconfig:config VFPv3
  ./arch/powerpc/platforms/Kconfig.cputype:config 40x
  ./arch/x86/Kconfig:config SCx200HR_TIMER
  ./drivers/video/console/Kconfig:config FONT_8x8
  ./drivers/video/Kconfig:config NTSC_640x480

Also, other projects that use kconfig may allow for lower- or mixed-case
symbols, and may find easier to reuse this script than implement each
their own (potentially flawed) logic. For such a use-case, see:
    http://marc.info/?l=linux-kbuild&m=133409932115848&w=2

This patch adds a new option to keep the given case, and keep the current
default to upper-case the symbols.

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2012-06-28 10:38:54 +02:00
Dave Jones 6b44695e10 chmod +x scripts/gfp-translate
This script lacks an executable bit.

Signed-off-by: Dave Jones <davej@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-06-27 12:44:29 -07:00
Greg Kroah-Hartman 889e5528cb Merge 3.5-rc4 into usb-next
This is to get the USB fixes that were merged in the 3.5-rc4 tree into usb-next
so that everyone can sync up properly.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-06-25 09:16:12 -07:00
Joe Perches 7dea268135 get_maintainer: Fix --help warning
Using --help emits a concatenation error.  Fix it.

Signed-off-by: Joe Perches <joe@perches.com>
Reported-by: Paul Bolle <pebolle@tiscali.nl>
Tested-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-06-20 14:39:36 -07:00
Steven Rostedt 4503379cb8 localmodconfig: Add debug environment variable LOCALMODCONFIG_DEBUG
If the environment variable LOCALMODCONFIG_DEBUG is set, then debug output
will appear in the make localmodconfig. This will simplify debugging what
people get with their output, as I can just tell people to do:

  LOCALMODCONFIG_DEBUG=1 make localmodconfig 2>out.txt

and have them send me the out.txt. I'll be able to see why things are not
working as they think it should be.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2012-06-19 15:03:06 -04:00
Steven Rostedt d4bb58b5cb localmodconfig: Check if configs are already set for selects
There are some cases that a required module does not have a prompt
and needs to have another module enabled that selects it to be set.
As localmodconfig is conservative and tries to make the minimum config
without breaking the user's kernel, or keeping the user from using
devices that were loaded when the lsmod was done, all modules that
select this module will also be enabled.

If you needed module A, but module A did not have a prompt but needed
module B to be selected, localmodconfig would make sure B was still
enabled. If not only B selected A, but C, D, E, F, and G also
selected A, then all of those would also be included, as well as the
modules they depend on. This ballooned the number of configs that
localmodconfig would keep.

The fix here is to process the depends first, and then record those
configs that did not have a prompt and needed to be selected.
After the depends are done, check what configs are needed to select
the configs in the list, and if a config that selects it is already
set, then we don't need to do anything else.

If no config that selects the config is set, then just pick one and
try again.

This change brought down the number of selected modules from 290
to 67! Both before and after were run against a config that had 3095
modules enabled.

Tested-by: John David Yost <johnyost@ptd.net> # AlleyTrotter
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2012-06-19 15:03:06 -04:00
Steven Rostedt 4f4c51c940 localmodconfig: Read in orig config file to avoid extra processing
Read in the entire config file. If there's a config that we depend on
that happens to be in the core set (not a module) then we do not need
to process it as a module.

Currently, we follow the entire depend and selects even if they
are enabled as core and not modules. By checking to make sure that we
only look at modules we can drop the count a little.

From one of my tests, localmodconfig went from taking 3095 set modules
down to 356 before this patch, and down to 290 modules after the change.

Tested-by: John David Yost <johnyost@ptd.net> # AlleyTrotter
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2012-06-19 15:03:05 -04:00
Steven Rostedt 0b58a99eb2 localmodconfig: Comments and cleanup for streamline_config.pl
Added some more comments and cleaned up part of the the code to use
a named variable instead of one of the special $1 perl variables.

No functional changes.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2012-06-19 15:03:05 -04:00
Sebastian Andrzej Siewior bb15d8db7c scripts/modpost: check for bad references in .pci.fixups area
Functions used for PCI fixups (like DECLARE_PCI_FIXUP_HEADER) are often
marked __init. This is okay as long as nobody is using PCI hotplug.
However if one does execute
| echo 1 > /sys/bus/pci/rescan

and we hit a module which is marked __init istead of __devinit then we
go boom because the code is removed after the kernel booted. This patch
help to see those section mismatches.

Cc: Michal Marek <mmarek@suse.cz>
Cc: linux-kbuild@vger.kernel.org
Cc: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Sebastian Andrzej Siewior <sebastian@breakpoint.cc>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
2012-06-16 12:44:30 -06:00
Bjørn Mork 81df2d5943 USB: allow match on bInterfaceNumber
Some composite USB devices provide multiple interfaces
with different functions, all using "vendor-specific"
for class/subclass/protocol.  Another OS use interface
numbers to match the driver and interface. It seems
these devices are designed with that in mind - using
static interface numbers for the different functions.

This adds support for matching against the
bInterfaceNumber, allowing such devices to be supported
without having to resort to testing against interface
number whitelists and/or blacklists in the probe.

Signed-off-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-06-13 15:40:09 -07:00
Joe Perches 243f3803cf checkpatch: suggest pr_<level> over printk(KERN_<LEVEL>
Suggest the shorter pr_<level> instead of printk(KERN_<LEVEL>.

Prefer to use pr_<level> over bare printks.
Prefer to use pr_warn over pr_warning.

Signed-off-by: Joe Perches <joe@perches.com>
Cc: Andy Whitcroft <apw@shadowen.org>
Cc: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-05-31 17:49:27 -07:00
Eric Nelson 9a4cad4e25 checkpatch: check for whitespace before semicolon at EOL
Requires --strict option during invocation:
	~/linux$ scripts/checkpatch --strict foo.patch

This tests for a bad habits of mine like this:

	return 0 ;

Note that it does allow a special case of a bare semicolon
for empty loops:

	while (foo())
		;

Signed-off-by: Eric Nelson <eric.nelson@boundarydevices.com>
Cc: Andy Whitcroft <apw@canonical.com>
Cc: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-05-31 17:49:27 -07:00
Linus Torvalds 905cec410a Merge branch 'misc' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild
Pull misc kbuild changes from Michal Marek:
 "The non-critical part of kbuild for 3.5 includes

   - two new coccinelle checks
   - fix for make deb-pkg to include generated headers in arch/*/include

  I have more make-deb-pkg fixes in the backlog, but these will likely
  have to wait for 3.6."

* 'misc' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild:
  builddeb: include autogenerated header files
  scripts/coccinelle: sizeof of pointer
  scripts/coccinelle: address test is always true
2012-05-28 10:39:07 -07:00
Linus Torvalds da85d3426f Merge branch 'kconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild
Pull kconfig changes from Michal Marek:

 - Error handling for make KCONFIG_ALLCONFIG=<...> all*config plus a fix
   for a bug that was exposed by this

 - Fix for the script/config utility.

* 'kconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild:
  scripts/config: properly report and set string options
  kbuild: all{no,yes,mod,def,rand}config only read files when instructed to.
  kconfig: Add error handling to KCONFIG_ALLCONFIG
2012-05-28 10:37:56 -07:00
Linus Torvalds 1347a2cebc Merge branch 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild
Pull kbuild updates from Michal Marek.

Fixed up nontrivial merge conflict in Makefile as per Stephen Rothwell
and linux-next (and trivial arch/sparc/Makefile changes due to removed
sparc32 logic).

* 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild:
  mips: Fix KBUILD_CPPFLAGS definition
  kbuild: fix ia64 link
  kbuild: document KBUILD_LDS, KBUILD_VMLINUX_{INIT,MAIN} and LDFLAGS_vmlinux
  kbuild: link of vmlinux moved to a script
  kbuild: refactor final link of sparc32
  kbuild: drop unused KBUILD_VMLINUX_OBJS from top-level Makefile
  kbuild: Makefile: remove unnecessary check for m68knommu ARCH
2012-05-28 10:32:28 -07:00
Lekensteyn 19a4b98895 builddeb: include autogenerated header files
After 303395ac3b, some headers are
autogenerated. Include these autogenerated headers (mainly
unistd_32_ia32.h) in out-of-tree builds to allow DKMS modules to be
built succesfully.

Signed-off-by: Peter Lekensteyn <lekensteyn@gmail.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2012-05-26 22:54:50 +02:00
Julia Lawall 2cbd08253a scripts/coccinelle: sizeof of pointer
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2012-05-25 14:51:12 +02:00
Julia Lawall 4619c2b830 scripts/coccinelle: address test is always true
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2012-05-25 14:51:11 +02:00
Linus Torvalds fb827ec684 Three trivial patches of no real utility. Modules are boring.
Fortunately David Howells is looking to change this, with his module signing
 patchset.  But that's for next merge window...
 
 Cheers,
 Rusty.
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Merge tag 'module-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus

Pull module patches from Rusty Russell, who really sells them:
 "Three trivial patches of no real utility.  Modules are boring."

But to make things slightly more exciting, he adds:
 "Fortunately David Howells is looking to change this, with his module
  signing patchset.  But that's for next merge window...

  Cheers,
  Rusty."

* tag 'module-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus:
  Guard check in module loader against integer overflow
  modpost: use proper kernel style for autogenerated files
  modpost: Stop grab_file() from leaking filedescriptors if fstat() fails
2012-05-23 17:34:09 -07:00
Linus Torvalds d5b4bb4d10 Merge branch 'delete-mca' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux
Pull the MCA deletion branch from Paul Gortmaker:
 "It was good that we could support MCA machines back in the day, but
  realistically, nobody is using them anymore.  They were mostly limited
  to 386-sx 16MHz CPU and some 486 class machines and never more than
  64MB of RAM.  Even the enthusiast hobbyist community seems to have
  dried up close to ten years ago, based on what you can find searching
  various websites dedicated to the relatively short lived hardware.

  So lets remove the support relating to CONFIG_MCA.  There is no point
  carrying this forward, wasting cycles doing routine maintenance on it;
  wasting allyesconfig build time on validating it, wasting I/O on git
  grep'ping over it, and so on."

Let's see if anybody screams.  It generally has compiled, and James
Bottomley pointed out that there was a MCA extension from NCR that
allowed for up to 4GB of memory and PPro-class machines.  So in *theory*
there may be users out there.

But even James (technically listed as a maintainer) doesn't actually
have a system, and while Alan Cox claims to have a machine in his cellar
that he offered to anybody who wants to take it off his hands, he didn't
argue for keeping MCA support either.

So we could bring it back.  But somebody had better speak up and talk
about how they have actually been using said MCA hardware with modern
kernels for us to do that.  And David already took the patch to delete
all the networking driver code (commit a5e371f61ad3: "drivers/net:
delete all code/drivers depending on CONFIG_MCA").

* 'delete-mca' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux:
  MCA: delete all remaining traces of microchannel bus support.
  scsi: delete the MCA specific drivers and driver code
  serial: delete the MCA specific 8250 support.
  arm: remove ability to select CONFIG_MCA
2012-05-23 17:12:06 -07:00
Linus Torvalds 269af9a1a0 Merge branch 'x86-extable-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull exception table generation updates from Ingo Molnar:
 "The biggest change here is to allow the build-time sorting of the
  exception table, to speed up booting.  This is achieved by the
  architecture enabling BUILDTIME_EXTABLE_SORT.  This option is enabled
  for x86 and MIPS currently.

  On x86 a number of fixes and changes were needed to allow build-time
  sorting of the exception table, in particular a relocation invariant
  exception table format was needed.  This required the abstracting out
  of exception table protocol and the removal of 20 years of accumulated
  assumptions about the x86 exception table format.

  While at it, this tree also cleans up various other aspects of
  exception handling, such as early(er) exception handling for
  rdmsr_safe() et al.

  All in one, as the result of these changes the x86 exception code is
  now pretty nice and modern.  As an added bonus any regressions in this
  code will be early and violent crashes, so if you see any of those,
  you'll know whom to blame!"

Fix up trivial conflicts in arch/{mips,x86}/Kconfig files due to nearby
modifications of other core architecture options.

* 'x86-extable-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (35 commits)
  Revert "x86, extable: Disable presorted exception table for now"
  scripts/sortextable: Handle relative entries, and other cleanups
  x86, extable: Switch to relative exception table entries
  x86, extable: Disable presorted exception table for now
  x86, extable: Add _ASM_EXTABLE_EX() macro
  x86, extable: Remove open-coded exception table entries in arch/x86/ia32/ia32entry.S
  x86, extable: Remove open-coded exception table entries in arch/x86/include/asm/xsave.h
  x86, extable: Remove open-coded exception table entries in arch/x86/include/asm/kvm_host.h
  x86, extable: Remove the now-unused __ASM_EX_SEC macros
  x86, extable: Remove open-coded exception table entries in arch/x86/xen/xen-asm_32.S
  x86, extable: Remove open-coded exception table entries in arch/x86/um/checksum_32.S
  x86, extable: Remove open-coded exception table entries in arch/x86/lib/usercopy_32.c
  x86, extable: Remove open-coded exception table entries in arch/x86/lib/putuser.S
  x86, extable: Remove open-coded exception table entries in arch/x86/lib/getuser.S
  x86, extable: Remove open-coded exception table entries in arch/x86/lib/csum-copy_64.S
  x86, extable: Remove open-coded exception table entries in arch/x86/lib/copy_user_nocache_64.S
  x86, extable: Remove open-coded exception table entries in arch/x86/lib/copy_user_64.S
  x86, extable: Remove open-coded exception table entries in arch/x86/lib/checksum_32.S
  x86, extable: Remove open-coded exception table entries in arch/x86/kernel/test_rodata.c
  x86, extable: Remove open-coded exception table entries in arch/x86/kernel/entry_64.S
  ...
2012-05-23 10:44:35 -07:00
Greg Kroah-Hartman 3c7ec94d2c modpost: use proper kernel style for autogenerated files
If the kernel build process is creating files automatically, the least
it can do is create them in a properly formatted manner.  Sure, it's a
minor issue, but being consistent is nice.

Cc: Rusty Russell <rusty@rustcorp.com.au>
Cc: Alessio Igor Bogani <abogani@kernel.org>
Cc: Tony Lindgren <tony@atomide.com>
Cc: Ben Hutchings <ben@decadent.org.uk>
Cc: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2012-05-23 22:28:51 +09:30
Jesper Juhl eb3d5cc67a modpost: Stop grab_file() from leaking filedescriptors if fstat() fails
In case the open() call succeeds but the subsequent fstat() call
fails, then we'll return without close()'ing the filedescriptor.

Signed-off-by: Jesper Juhl <jj@chaosbits.net>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2012-05-23 22:28:49 +09:30
Linus Torvalds 3c2c4b73aa Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid
Pull HID subsystem updates from Jiri Kosina:
 "Apart from various driver updates and added support for a number of
  new devices (mostly multitouch ones, but not limited to), there is one
  change that is worth pointing out explicitly: creation of HID device
  groups and proper autoloading of hid-multitouch, implemented by Henrik
  Rydberg."

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid: (50 commits)
  HID: wacom: fix build breakage without CONFIG_LEDS_CLASS
  HID: waltop: Extend barrel button fix
  HID: hyperv: Set the hid drvdata correctly
  HID: wacom: Unify speed setting
  HID: wacom: Add speed setting for Intuos4 WL
  HID: wacom: Move Graphire raport header check.
  HID: uclogic: Add support for UC-Logic TWHL850
  HID: explain the signed/unsigned handling in hid_add_field()
  HID: handle logical min/max signedness properly in parser
  HID: logitech: read all 32 bits of report type bitfield
  HID: wacom: Add LED selector control for Wacom Intuos4 WL
  HID: hid-multitouch: fix wrong protocol detection
  HID: wiimote: Fix IR data parser
  HID: wacom: Add tilt reporting for Intuos4 WL
  HID: multitouch: MT interface matching for Baanto
  HID: hid-multitouch: Only match MT interfaces
  HID: Create a common generic driver
  HID: hid-multitouch: Switch to device groups
  HID: Create a generic device group
  HID: Allow bus wildcard matching
  ...
2012-05-22 19:21:48 -07:00
H. Peter Anvin 6520fe5564 x86, realmode: 16-bit real-mode code support for relocs tool
A new option is added to the relocs tool called '--realmode'.
This option causes the generation of 16-bit segment relocations
and 32-bit linear relocations for the real-mode code. When
the real-mode code is moved to the low-memory during kernel
initialization, these relocation entries can be used to
relocate the code properly.

In the assembly code 16-bit segment relocations must be relative
to the 'real_mode_seg' absolute symbol. Linear relocations must be
relative to a symbol prefixed with 'pa_'.

16-bit segment relocation is used to load cs:ip in 16-bit code.
Linear relocations are used in the 32-bit code for relocatable
data references. They are declared in the linker script of the
real-mode code.

The relocs tool is moved to arch/x86/tools/relocs.c, and added new
target archscripts that can be used to build scripts needed building
an architecture.  be compiled before building the arch/x86 tree.

[ hpa: accelerating this because it detects invalid absolute
  relocations, a serious bug in binutils 2.22.52.0.x which currently
  produces bad kernels. ]

Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Link: http://lkml.kernel.org/r/1336501366-28617-2-git-send-email-jarkko.sakkinen@intel.com
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@intel.com>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Cc: <stable@vger.kernel.org>
2012-05-18 19:49:40 -07:00
Paul Gortmaker bb8187d35f MCA: delete all remaining traces of microchannel bus support.
Hardware with MCA bus is limited to 386 and 486 class machines
that are now 20+ years old and typically with less than 32MB
of memory.  A quick search on the internet, and you see that
even the MCA hobbyist/enthusiast community has lost interest
in the early 2000 era and never really even moved ahead from
the 2.4 kernels to the 2.6 series.

This deletes anything remaining related to CONFIG_MCA from core
kernel code and from the x86 architecture.  There is no point in
carrying this any further into the future.

One complication to watch for is inadvertently scooping up
stuff relating to machine check, since there is overlap in
the TLA name space (e.g. arch/x86/boot/mca.c).

Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: James Bottomley <JBottomley@Parallels.com>
Cc: x86@kernel.org
Acked-by: Ingo Molnar <mingo@elte.hu>
Acked-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
2012-05-17 19:06:13 -04:00
Yann E. MORIN d6686da814 scripts/config: properly report and set string options
Currently, scripts/config removes the leading double-quote from
string options, but leaves the trailing double-quote.

Also, double-quotes in a string are escaped, but scripts/config
does not unescape those when printing

Finally, scripts/config does not escape double-quotes when setting
string options.

Eg. the current behavior:
    $ grep -E '^CONFIG_FOO=' .config
    CONFIG_FOO="Bar \"Buz\" Meh"
    $ ./scripts/config -s FOO
    Bar \"Buz\" Meh"
    $ ./scripts/config --set-str FOO 'Alpha "Bravo" Charlie'
    $ grep -E '^CONFIG_FOO=' .config
    CONFIG_FOO="Alpha "Bravo" Charlie"

Fix those three, giving this new behavior:
    $ grep -E '^CONFIG_FOO=' .config
    CONFIG_FOO="Bar \"Buz\" Meh"
    $ ./scripts/config -s FOO
    Bar "Buz" Meh
    $ ./scripts/config --set-str FOO 'Alpha "Bravo" Charlie'
    $ grep -E '^CONFIG_FOO=' .config
    CONFIG_FOO="Alpha \"Bravo\" Charlie"

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Acked-by: Andi Kleen <andi@firstfloor.org>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2012-05-16 00:13:11 +02:00
Sam Ravnborg 00e6c28c68 kbuild: fix ia64 link
ia64 build failed like this:

  CC      init/version.o
  LD      init/built-in.o
  KSYM    .tmp_kallsyms1.o
ld: .tmp_kallsyms1.o: linking constant-gp files with non-constant-gp files
ld: failed to merge target specific data of file .tmp_kallsyms1.o
make: *** [vmlinux] Error 1

This was introduced when link of vmlinux was migrated to a script.
Add missing option to as to fix this.

Reported-by: Tony Luck <tony.luck@gmail.com>
Tested-by: Tony Luck <tony.luck@gmail.com>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2012-05-10 14:09:21 +02:00
Eric W. Biederman 9f420bf0f4 kbuild: all{no,yes,mod,def,rand}config only read files when instructed to.
Prevent subtle surprises to both people working on the kconfig code
and people using make allnoconfig allyesconfig allmoconfig and
randconfig by only attempting to read a config file if
KCONFIG_ALLCONFIG is set.

Common sense suggests attempting to read the extra config files does
not make sense unless requested.  The documentation says the code
won't attempt to read the extra config files unless requested.
Current usage does not appear to include people depending on the code
reading the config files without the variable being set So do the
simple thing and stop reading config files when passed
all{no,yes,mod,def,rand}config unless KCONFIG_ALLCONFIG environment
variable is set.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2012-05-07 20:51:06 +02:00
Sam Ravnborg 1f2bfbd00e kbuild: link of vmlinux moved to a script
Move the final link of vmlinux to a script to improve
readability and maintainability of the code.

The Makefile fragments used to link vmlinux has over the
years seen far too many changes and the logic had become
hard to follow.

As the process by nature is serialized there was
nothing gained including this in the Makefile.

"um" has special link requirments - and the
only way to handle this was to hard-code the linking
of "um" in the script.
This was better than trying to modularize it only for the
benefit of "um" anyway.

The shell script has been improved after input from:
Arnaud Lacombe <lacombar@gmail.com>
Nick Bowler <nbowler@elliptictech.com>

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Arnaud Lacombe <lacombar@gmail.com>
Cc: Nick Bowler <nbowler@elliptictech.com>
Cc: Richard Weinberger <richard@nod.at>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2012-05-05 21:19:33 +02:00
Eric W. Biederman 5efe241eac kconfig: Add error handling to KCONFIG_ALLCONFIG
- Only try to read the file specified if KCONFIG_ALL_CONFIG is set to
  something other than the empty string or "1".

- Don't use stat to check the name passed to conf_read_simple so that
  zconf_fopen can find the file in the current directory or in SRCTREE
  removing a extremely source of confusing failure, where KCONFIG_ALL_CONFIG
  was not interpreted with respect to the directory make was called in.

- If conf_read_simple fails complain clearly and stop processing.
  Allowing the simple debugging of typos.

- Clearly document the behavior so it is clear to users which
  values are treated as flags and which values are treated as
  filenames.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2012-05-05 00:24:07 +02:00
Henrik Rydberg 7431fb767d HID: Allow bus wildcard matching
Most HID drivers do not need to know what bus driver is in use.
A generic group driver can drive any hid device, and the device
list should not need to be duplicated for each new bus.

This patch adds wildcard matching to the HID bus, simplifying device
list handling for group drivers.

Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
Acked-by: Benjamin Tissoires <benjamin.tissoires@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2012-05-01 12:54:54 +02:00
Henrik Rydberg 4d53b8012f HID: Add device group to modalias
HID devices are only partially presented to userland.  Hotplugged
devices emit events containing a modalias based on the basic bus,
vendor and product entities. However, in practise a hid device can
depend on details such as a single usb interface or a particular item
in a report descriptor.

This patch adds a device group to the hid device id, and broadcasts it
using uevent and the device modalias.  The module alias generation is
modified to match. As a consequence, a device with a non-zero group
will be processed by the corresponding group driver instead of by the
generic hid driver.

Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
Acked-by: Benjamin Tissoires <benjamin.tissoires@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2012-05-01 12:54:54 +02:00
David Daney d59a16836d scripts/sortextable: Handle relative entries, and other cleanups
x86 is now using relative rather than absolute addresses in its
exception table, so we add a sorter for these.  If there are
relocations on the __ex_table section, they are redundant and probably
incorrect after the sort, so they are zeroed out leaving them valid
and consistent.

Also use the unaligned safe accessors from tools/{be,le}_byteshift.h

Signed-off-by: David Daney <david.daney@cavium.com>
Link: http://lkml.kernel.org/r/1335291795-26693-2-git-send-email-ddaney.cavm@gmail.com
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
2012-04-24 11:42:20 -07:00
Linus Torvalds 4d634ca35a Merge branch 'rc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild
Pull build system failure fix from Michal Marek:
 "This fixes build failure with newer gcc that adds some internal
  symbols that end in "__mod_*_device_table", but are not actually the
  tables themselves."

* 'rc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild:
  Fix modpost failures in fedora 17
2012-04-23 19:45:19 -07:00
David Daney a79f248b9b scripts: Add sortextable to sort the kernel's exception table.
Using this build-time sort saves time booting as we don't have to burn
cycles sorting the exception table.

Signed-off-by: David Daney <david.daney@cavium.com>
Link: http://lkml.kernel.org/r/1334872799-14589-2-git-send-email-ddaney.cavm@gmail.com
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
2012-04-19 15:06:55 -07:00
Lasse Collin 0db7bd8ca0 xz: Enable BCJ filters on SPARC and 32-bit x86
The BCJ filters were meant to be enabled already on these
archs, but the xz_wrap.sh script was buggy. Enabling the
filters should give smaller kernel images.

xz_wrap.sh will now use $SRCARCH instead of $ARCH to detect
the architecture. That way it doesn't need to care about the
subarchs (like i386 vs. x86_64) since the BCJ filters don't
care either.

Signed-off-by: Lasse Collin <lasse.collin@tukaani.org>
Acked-by: Jan Beulich <jbeulich@suse.com>
Acked-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-04-18 13:13:18 -07:00
David Miller e88aa7bbbe Fix modpost failures in fedora 17
The symbol table on x86-64 starts to have entries that have names
like:

_GLOBAL__sub_I_65535_0___mod_x86cpu_device_table

They are of type STT_FUNCTION and this one had a length of 18.  This
matched the device ID validation logic and it barfed because the
length did not meet the device type's criteria.

--------------------
FATAL: arch/x86/crypto/aesni-intel: sizeof(struct x86cpu_device_id)=16 is not a modulo of the size of section __mod_x86cpu_device_table=18.
Fix definition of struct x86cpu_device_id in mod_devicetable.h
--------------------

These are some kind of compiler tool internal stuff being emitted and
not something we want to inspect in modpost's device ID table
validation code.

So skip the symbol if it is not of type STT_OBJECT.

Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2012-04-18 21:42:07 +02:00
Joe Perches c06a9ebdb7 checkpatch: revert --strict test for net/ and drivers/net block comment style
Revert the --strict test for the old preferred block
comment style in drivers/net and net/

Reported-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-04-16 12:44:38 -07:00
Paul Gortmaker e4757cab4c kconfig: delete last traces of __enabled_ from autoconf.h
We've now fixed IS_ENABLED() and friends to not require any special
"__enabled_" prefixed versions of the normal Kconfig options, so delete
the last traces of them being generated.

Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-04-12 18:35:58 -07:00
Paul Gortmaker a959613533 Revert "kconfig: fix __enabled_ macros definition for invisible and un-selected symbols"
This reverts commit 953742c8fe.

Dumping two lines into autoconf.h for all existing Kconfig options
results in a giant file (~16k lines) we have to process each time we
compile something.  We've weaned IS_ENABLED() and similar off of
requiring the __enabled_ definitions so now we can revert the change
which caused all the extra lines.

Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-04-12 18:35:58 -07:00
Frank Rowand 258f742635 modpost: Fix modpost license checking of vmlinux.o
Commit f02e8a6596 ("module: Sort exported symbols") sorts symbols
placing each of them in its own elf section.  This sorting and merging
into the canonical sections are done by the linker.

Unfortunately modpost to generate Module.symvers file parses vmlinux.o
(which is not linked yet) and all modules object files (which aren't
linked yet).  These aren't sanitized by the linker yet.  That breaks
modpost that can't detect license properly for modules.

This patch makes modpost aware of the new exported symbols structure.

[ This above is a slightly corrected version of the explanation of the
  problem, copied from commit 62a2635610 ("modpost: Fix modpost's
  license checking V3").  That commit fixed the problem for module
  object files, but not for vmlinux.o.  This patch fixes modpost for
  vmlinux.o. ]

Signed-off-by: Frank Rowand <frank.rowand@am.sony.com>
Signed-off-by: Alessio Igor Bogani <abogani@kernel.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-04-09 20:52:56 -07:00
Linus Torvalds 5d32c88f0b Merge branch 'akpm' (Andrew's patch-bomb)
Merge batch of fixes from Andrew Morton:
 "The simple_open() cleanup was held back while I wanted for laggards to
  merge things.

  I still need to send a few checkpoint/restore patches.  I've been
  wobbly about merging them because I'm wobbly about the overall
  prospects for success of the project.  But after speaking with Pavel
  at the LSF conference, it sounds like they're further toward
  completion than I feared - apparently davem is at the "has stopped
  complaining" stage regarding the net changes.  So I need to go back
  and re-review those patchs and their (lengthy) discussion."

* emailed from Andrew Morton <akpm@linux-foundation.org>: (16 patches)
  memcg swap: use mem_cgroup_uncharge_swap fix
  backlight: add driver for DA9052/53 PMIC v1
  C6X: use set_current_blocked() and block_sigmask()
  MAINTAINERS: add entry for sparse checker
  MAINTAINERS: fix REMOTEPROC F: typo
  alpha: use set_current_blocked() and block_sigmask()
  simple_open: automatically convert to simple_open()
  scripts/coccinelle/api/simple_open.cocci: semantic patch for simple_open()
  libfs: add simple_open()
  hugetlbfs: remove unregister_filesystem() when initializing module
  drivers/rtc/rtc-88pm860x.c: fix rtc irq enable callback
  fs/xattr.c:setxattr(): improve handling of allocation failures
  fs/xattr.c:listxattr(): fall back to vmalloc() if kmalloc() failed
  fs/xattr.c: suppress page allocation failure warnings from sys_listxattr()
  sysrq: use SEND_SIG_FORCED instead of force_sig()
  proc: fix mount -t proc -o AAA
2012-04-05 15:30:34 -07:00
Julia Lawall 9b3ae64be6 scripts/coccinelle/api/simple_open.cocci: semantic patch for simple_open()
Find instances of an open-coded simple_open() and replace them with
calls to simple_open().

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Reported-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-04-05 15:25:50 -07:00
Stephen Boyd 0eb043d0ee Subject: [PATCH] tags.sh: Add missing quotes
When $remove_structs is empty a test for empty string will turn
into test -n with no arguments meaning true. Add quotes so an
empty string is tested and so that make cscope works again.

Reported-and-tested-by: Jike Song <albcamus@gmail.com>
Reported-by: Prarit Bhargava <prarit@redhat.com>
Acked-by: Yang Bai <hamo.by@gmail.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2012-04-02 11:28:17 +02:00
Linus Torvalds 923f79743c Merge branch 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild
Pull kbuild changes from Michal Marek:
 - Unification of cmd_uimage among archs that use it
 - make headers_check tries harder before reporting a missing
   <linux/types.h> include
 - kbuild portability fix for shells that do not support echo -e
 - make clean descends into samples/
 - setlocalversion grep fix
 - modpost typo fix
 - dtc warnings fix

* 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild:
  setlocalversion: Use "grep -q" instead of piping output to "read dummy"
  modpost: fix ALL_INIT_DATA_SECTIONS
  Kbuild: centralize MKIMAGE and cmd_uimage definitions
  headers_check: recursively search for linux/types.h inclusion
  scripts/Kbuild.include: Fix portability problem of "echo -e"
  scripts: dtc: fix compile warnings
  kbuild: clean up samples directory
  kbuild: disable -Wmissing-field-initializers for W=1
2012-03-30 18:15:43 -07:00
Linus Torvalds a7697b945e Merge branch 'misc' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild
Pull non-critical part of kbuild from Michal Marek:
 - New semantic patches, make coccicheck M= fix
 - make gtags speedup
 - make tags/TAGS always removes struct forward declarations
 - make deb-pkg fixes (some patches are still pending, I know)
 - scripts/patch-kernel fix from the last user of this script ;)

* 'misc' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild:
  scripts/patch-kernel: digest kernel.org hosted .xz patches
  scripts/coccinelle/api/ptr_ret.cocci: semantic patch for ptr_err
  scripts: refactor remove structure forward declarations
  kbuild: incremental tags update for GNU Global
  coccinelle: semantic patch for bool issues
  coccinelle: semantic patch to check for PTR_ERR after reassignment
  coccinelle: semantic patch converting 0 test to null test
  coccinelle: semantic patch for missing iounmap
  coccinelle: semantic patch for missing clk_put
  kbuild: Fix out-of-tree build for 'make deb-pkg'
  kbuild: Only build linux-image package for UML
  kbuild: Fix link to headers in 'make deb-pkg'
  coccicheck: change handling of C={1,2} when M= is set
2012-03-30 18:14:05 -07:00
Linus Torvalds 2b17b4382c Merge branch 'kconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild
Pull kconfig bits from Michal Marek:
 "There is one fix for make oldconfig by Arnaud and updates to the
  merge_config.sh tool."

* 'kconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild:
  merge_config.sh: Add option to display redundant configs
  merge_config.sh: Set execute bit
  merge_config.sh: Use the first file as the initial config
  kconfig: fix new choices being skipped upon config update
2012-03-30 18:13:17 -07:00
Shawn Landden 354fa22fce scripts/patch-kernel: digest kernel.org hosted .xz patches
kernel.org is hosting patches and kernel compressed with xz (lzma2+).
Allow scripts/patch-kernel to decompress these files.

Signed-off-by: Shawn Landden <shawnlandden@gmail.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2012-03-30 15:23:36 +02:00
John Stultz 9875c42d69 merge_config.sh: Add option to display redundant configs
Provide a -r option to display when fragments contain redundant
options. This is really useful when breaking apart a config into
fragments, as well as cleaning up older fragments.

Signed-off-by: John Stultz <john.stultz@linaro.org>
Acked-by: Darren Hart <dvhart@linux.intel.com>
Acked-by: Bruce Ashfield <bruce.ashfield@windriver.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2012-03-30 15:14:47 +02:00
John Stultz 55cae3043a merge_config.sh: Set execute bit
Somehow the merge_config.sh script didn't get its execute bit
set when it was merged. Fix this.

Signed-off-by: John Stultz <john.stultz@linaro.org>
Acked-by: Darren Hart <dvhart@linux.intel.com>
Acked-by: Bruce Ashfield <bruce.ashfield@windriver.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2012-03-30 15:10:48 +02:00
Linus Torvalds 12679a2d7e Merge branch 'for-linus' of git://git.linaro.org/people/rmk/linux-arm
Pull more ARM updates from Russell King.

This got a fair number of conflicts with the <asm/system.h> split, but
also with some other sparse-irq and header file include cleanups.  They
all looked pretty trivial, though.

* 'for-linus' of git://git.linaro.org/people/rmk/linux-arm: (59 commits)
  ARM: fix Kconfig warning for HAVE_BPF_JIT
  ARM: 7361/1: provide XIP_VIRT_ADDR for no-MMU builds
  ARM: 7349/1: integrator: convert to sparse irqs
  ARM: 7259/3: net: JIT compiler for packet filters
  ARM: 7334/1: add jump label support
  ARM: 7333/2: jump label: detect %c support for ARM
  ARM: 7338/1: add support for early console output via semihosting
  ARM: use set_current_blocked() and block_sigmask()
  ARM: exec: remove redundant set_fs(USER_DS)
  ARM: 7332/1: extract out code patch function from kprobes
  ARM: 7331/1: extract out insn generation code from ftrace
  ARM: 7330/1: ftrace: use canonical Thumb-2 wide instruction format
  ARM: 7351/1: ftrace: remove useless memory checks
  ARM: 7316/1: kexec: EOI active and mask all interrupts in kexec crash path
  ARM: Versatile Express: add NO_IOPORT
  ARM: get rid of asm/irq.h in asm/prom.h
  ARM: 7319/1: Print debug info for SIGBUS in user faults
  ARM: 7318/1: gic: refactor irq_start assignment
  ARM: 7317/1: irq: avoid NULL check in for_each_irq_desc loop
  ARM: 7315/1: perf: add support for the Cortex-A7 PMU
  ...
2012-03-29 16:53:48 -07:00
Roland Dreier 7f3bd6c9cb setlocalversion: Use "grep -q" instead of piping output to "read dummy"
In some circumstances (eg when running a build in an emacs shell
buffer), I get a spew of messages like

    grep: writing output: Broken pipe

from setlocalversion, because the "read" subshell apparently exits as
soon as it reads one line and gives EPIPE to grep.  It's not clear to
me why this way of writing the check was used instead of just using
grep -q to suppress output, but unless there is some deep reason I
don't know, this way looks cleaner to me anyway, and gets rid of the
ugly message spew.

(I double checked at http://pubs.opengroup.org/onlinepubs/009604499/utilities/grep.html
and "grep -q" is specified in POSIX / SuS, so hopefully even people
cross-compiling the kernel on some bizarre host OS can't complain
about this change)

Signed-off-by: Roland Dreier <roland@purestorage.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2012-03-26 22:54:00 +02:00
Julia Lawall 468db96122 scripts/coccinelle/api/ptr_ret.cocci: semantic patch for ptr_err
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2012-03-26 22:51:24 +02:00
Jan Beulich 9aaf440f8f modpost: fix ALL_INIT_DATA_SECTIONS
This was lacking a comma between two supposed to be separate strings.

Signed-off-by: Jan Beulich <jbeulich@suse.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2012-03-26 22:39:52 +02:00
Yang Bai 66979224c0 scripts: refactor remove structure forward declarations
Since now it has some problems when generate TAGS,
refactor this code. Now it will not show the error
message and will remove declarations using emacs etags.

Signed-off-by: Yang Bai <hamo.by@gmail.com>
Reviewed-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2012-03-26 22:22:15 +02:00
Stephen Warren e339364514 Kbuild: centralize MKIMAGE and cmd_uimage definitions
All ARCHs have the same definition of MKIMAGE. Move it to Makefile.lib
to avoid duplication.

All ARCHs have similar definitions of cmd_uimage. Place a sufficiently
parameterized version in Makefile.lib to avoid duplication.

Signed-off-by: Stephen Warren <swarren@wwwdotorg.org>
Acked-by: Nicolas Pitre <nico@linaro.org>
Tested-by: Mike Frysinger <vapier@gentoo.org> [Blackfin]
Tested-by: Michal Simek <monstr@monstr.eu> [Microblaze]
Tested-by: Guan Xuetao <gxt@mprc.pku.edu.cn> [unicore32]
Signed-off-by: Michal Marek <mmarek@suse.cz>
2012-03-26 15:49:20 +02:00
Jianbin Kang 98bd462233 kbuild: incremental tags update for GNU Global
GNU gtags support '-i' for updating tag files incrementally.
It runs more quickly than generating new tags after kernel source update.

Signed-off-by:  Jianbin Kang <kjbmail@gmail.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2012-03-26 15:29:52 +02:00
Bobby Powers f75a8df3bd headers_check: recursively search for linux/types.h inclusion
headers_check.pl currently emits some spurious warnings, especially for
the drm headers, about using __[us]{8,16,32,64} types without including
linux/types.h.  Recursively search for types.h inclusion, avoiding
circular references.

Signed-off-by: Bobby Powers <bobbypowers@gmail.com>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: Dave Airlie <airlied@linux.ie>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2012-03-26 14:54:27 +02:00
Bernhard Walle 875de98623 scripts/Kbuild.include: Fix portability problem of "echo -e"
"echo -e" is a GNU extension. When cross-compiling the kernel on a
BSD-like operating system (Mac OS X in my case), this doesn't work.

One could install a GNU version of echo, put that in the $PATH before
the system echo and use "/usr/bin/env echo", but the solution with
printf is simpler.

Since it is no disadvantage on Linux, I hope that gets accepted even if
cross-compiling the Linux kernel on another Unix operating system is
quite a rare use case.

Signed-off-by: Bernhard Walle <bernhard@bwalle.de>
Andreas Bießmann <andreas@biessmann.de>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2012-03-24 23:32:05 +01:00
Josh Boyer 09280615a0 merge_config.sh: Use the first file as the initial config
Take the first config fragment and use it verbatim as the initial config
set.  This avoids running the verification loop for the first file, as
nothing has actually been merged at this point.  This significantly
increases performance for large config fragments.

Signed-off-by: Josh Boyer <jwboyer@redhat.com>
Acked-by: John Stultz <john.stultz@linaro.org>
Acked-by: Darren Hart <dvhart@linux.intel.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2012-03-24 23:25:40 +01:00
Felipe Balbi db7f4e3d2b scripts: dtc: fix compile warnings
Fix following compile warnings:

scripts/dtc/flattree.c: In function ‘flat_read_mem_reserve’:
scripts/dtc/flattree.c:700:14: warning: variable ‘p’ set but not used
	[-Wunused-but-set-variable]

scripts/dtc/dtc.c: In function ‘main’:
scripts/dtc/dtc.c:104:17: warning: variable ‘check’ set but not used
	[-Wunused-but-set-variable]

Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2012-03-24 23:07:35 +01:00
Rabin Vincent a9468f30b5 ARM: 7333/2: jump label: detect %c support for ARM
Some versions of ARM GCC which do support asm goto, do not support
the %c specifier.  Since we need the %c to support jump labels
on ARM, detect that too in the asm goto detection script to avoid
build errors with these versions.

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48637

Acked-by: Jason Baron <jbaron@redhat.com>
Signed-off-by: Rabin Vincent <rabin@rab.in>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-03-24 09:38:56 +00:00
Josh Triplett ca56dc098c checkpatch: check for quoted strings broken across lines
checkpatch already makes an exception to the 80-column rule for quoted
strings, and Documentation/CodingStyle recommends not splitting quoted
strings across lines, because it breaks the ability to grep for the
string.  Rather than just permitting this, actively warn about quoted
strings split across lines.

Test case:

void context(void)
{
	struct { unsigned magic; const char *strdata; } foo[] = {
		{ 42, "these strings"
		      "do not produce warnings" },
		{ 256, "though perhaps"
		       "they should" },
	};
	pr_err("this string"
	       " should produce a warning\n");
	pr_err("this multi-line string\n"
	       "should not produce a warning\n");
	asm ("this asm\n\t"
	     "should not produce a warning");
}

Results of checkpatch on that test case:

WARNING: quoted string split across lines
+	       " should produce a warning\n");

total: 0 errors, 1 warnings, 15 lines checked

Signed-off-by: Josh Triplett <josh@joshtriplett.org>
Acked-by: Joe Perches <joe@perches.com>
Cc: Andy Whitcroft <apw@canonical.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-03-23 16:58:37 -07:00
Joe Perches 6712d85852 checkpatch: whitespace - add/remove blank lines
Add blank lines between a few tests, remove an extraneous one.

Signed-off-by: Joe Perches <joe@perches.com>
Cc: Andy Whitcroft <apw@canonical.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-03-23 16:58:37 -07:00
Joe Perches 2c92488ab2 checkpatch: warn on use of yield()
Using yield() is generally wrong.  Warn on its use.

Signed-off-by: Joe Perches <joe@perches.com>
Cc: Andy Whitcroft <apw@canonical.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-03-23 16:58:37 -07:00
Joe Perches aad4f61498 checkpatch: add --strict tests for braces, comments and casts
Add some more subjective --strict tests.

Add a test for block comments that start with a blank line followed only
by a line with just the comment block initiator.  Prefer a blank line
followed by /* comment...

Add a test for unnecessary spaces after a cast.

Add a test for symmetric uses of braces in if/else blocks.
If one branch needs braces, then all branches should use braces.

Signed-off-by: Joe Perches <joe@perches.com>
Cc: Andy Whitcroft <apw@shadowen.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-03-23 16:58:37 -07:00
Andy Whitcroft b337d8b82f checkpatch: add [] to type extensions
Add [] to a type extensions.  Fixes false positives on:

    .attrs = (struct attribute *[]) {

Signed-off-by: Andy Whitcroft <apw@canonical.com>
Cc: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-03-23 16:58:36 -07:00
Andy Whitcroft fd1b57ac73 checkpatch: high precedence operators do not require additional parentheses in #defines
With any very high precedence operator it is not necessary to enforce
additional parentheses around simple negated expressions.  This prevents
us requesting further perentheses around the following:

    #define PMEM_IS_FREE(id, index) !(pmem[id].bitmap[index].allocated)

For now add logical and bitwise not and unary minus.

Signed-off-by: Andy Whitcroft <apw@canonical.com>
Cc: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-03-23 16:58:36 -07:00
Andy Whitcroft e45bab8ebf checkpatch: handle string concatenation in simple #defines
Adjacent strings indicate concatentation, therefore look at identifiers
directly adjacent to literal strings as strings too.  This allows us to
better detect the form below and accept it as a simple constant:

    #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt

Signed-off-by: Andy Whitcroft <apw@canonical.com>
Cc: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-03-23 16:58:36 -07:00
Andy Whitcroft b9df76ac76 checkpatch: allow simple character constants in #defines
Signed-off-by: Andy Whitcroft <apw@canonical.com>
Cc: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-03-23 16:58:36 -07:00
Andy Whitcroft daebc534ac checkpatch: catch [ ... ] usage when not at the beginning of definition
Handle the [ A ... B ] form deeper into a definition, for example:

    static const unsigned char pci_irq_swizzle[2][PCI_MAX_DEVICES] = {
	    {0, 0, 0, 0, 0, 0, 0, 27, 27, [9 ... PCI_MAX_DEVICES - 1] = 0 },
	    {0, 0, 0, 0, 0, 0, 0, 29, 29, [9 ... PCI_MAX_DEVICES - 1] = 0 },
    };

Reported-by: Marek Vasut <marek.vasut@gmail.com>
Signed-off-by: Andy Whitcroft <apw@canonical.com>
Cc: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-03-23 16:58:36 -07:00
Artem Bityutskiy 11232688ec checkpatch.pl: be silent when -q and --ignore is given
Fix checkpatch.pl when both -q and --ignore are given and prevents it from
printing a

NOTE: Ignored message types: blah

messages.

E.g., if I use -q --ignore PREFER_PACKED,PREFER_ALIGNED, i see:

NOTE: Ignored message types: PREFER_ALIGNED PREFER_PACKED

It makes no sense to print this when -q is given.

Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Cc: Andy Whitcroft <apw@canonical.com>
Cc: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-03-23 16:58:36 -07:00
Joe Perches d1fe9c099c checkpatch: add some --strict coding style checks
Argument alignment across multiple lines should match the open
parenthesis.

Logical continuations should be at the end of the previous line, not the
start of a new line.

These are not required by CodingStyle so make the tests active only when
using --strict.

Improved by some examples from Bruce Allen.

Signed-off-by: Joe Perches <joe@perches.com>
Cc: "Bruce W. Allen" <bruce.w.allan@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-03-23 16:58:36 -07:00
Joe Perches 6061d949dd include/ and checkpatch: prefer __scanf to __attribute__((format(scanf,...)
It's equivalent to __printf, so prefer __scanf.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-03-23 16:58:36 -07:00
Richard Weinberger 728f5a94a1 get_maintainer.pl: add support for moderated lists
Currently get_maintainer.pl reports moderated lists as open, which is just
wrong.

Signed-off-by: Richard Weinberger <richard@nod.at>
Acked-by: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-03-23 16:58:32 -07:00
Joe Perches 0ede274507 get_maintainer: use a default "unknown" S: status/role
When an "S:" status line is unavailable, use a default "unknown" role.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-03-23 16:58:32 -07:00
Greg Kroah-Hartman 263a5c8e16 Merge 3.3-rc6 into driver-core-next
This was done to resolve a conflict in the drivers/base/cpu.c file.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-03-09 12:35:53 -08:00
Andreas Bießmann dd2a3acaec mod/file2alias: make modpost compile on darwin again
commit e49ce14150 breaks cross compiling
the linux kernel on darwin hosts.
This fix introduce some minimal glue to adopt linker section handling
for darwin hosts.

Signed-off-by: Andreas Bießmann <andreas@biessmann.de>
CC: Rusty Russell <rusty@rustcorp.com.au>
CC: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
CC: Jochen Friedrich <jochen@scram.de>
CC: Samuel Ortiz <sameo@linux.intel.com>
CC: "K. Y. Srinivasan" <kys@microsoft.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Tested-by: Bernhard Walle <bernhard@bwalle.de>
2012-02-27 10:29:31 +10:30
Linus Torvalds 1e73fde581 Merge branch 'rc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild
three kbuild fixes for 3.3:
 - make deb-pkg symlink race fix.
 - make coccicheck fix.
 - Dropping the check for modutils.  This is not a regression, but
   allows the module-init-tools replacement kmod work with the 3.3
   kernel.

* 'rc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild:
  coccicheck: change handling of C={1,2} when M= is set
  builddeb: Don't create files in /tmp with predictable names
  kbuild: do not check for ancient modutils tools
2012-02-25 12:11:25 -08:00
Julia Lawall 8991058171 coccinelle: semantic patch for bool issues
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Reviewed-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2012-02-25 00:07:32 +01:00
Julia Lawall 4a05f06752 coccinelle: semantic patch to check for PTR_ERR after reassignment
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2012-02-25 00:07:11 +01:00
Julia Lawall 47f67ea902 coccinelle: semantic patch converting 0 test to null test
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2012-02-25 00:07:11 +01:00
Julia Lawall cd0207a7bf coccinelle: semantic patch for missing iounmap
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2012-02-25 00:07:11 +01:00
Julia Lawall 53302c1dfa coccinelle: semantic patch for missing clk_put
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2012-02-25 00:07:11 +01:00
Joerg Roedel dddcbb7ce3 kbuild: Fix out-of-tree build for 'make deb-pkg'
The out-of-tree build is broken in 'make deb-pkg'. The
header checks and the header install works on the source and
not on the object tree.
While fixing this also replace the direct 'make' invocations
with the $MAKE variable to be consistent within the script.

Cc: maximilian attems <max@stro.at>
Cc: Ben Hutchings <ben@decadent.org.uk>
Cc: debian-kernel@lists.debian.org
Cc: linux-kbuild@vger.kernel.org
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2012-02-25 00:01:28 +01:00
Joerg Roedel d7d357bc27 kbuild: Only build linux-image package for UML
For user-mode Linux the other packages are not required. So
only build the package with the linux-image in it.

Cc: maximilian attems <max@stro.at>
Cc: debian-kernel@lists.debian.org
Cc: linux-kbuild@vger.kernel.org
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Tested-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2012-02-24 23:55:23 +01:00
Joerg Roedel a47b6c61f5 kbuild: Fix link to headers in 'make deb-pkg'
The Link to the kernel header files in the debian packages
point to the original build directory. This is a bad choice
if the packages were installed on a different machine. Fix
this in by manually re-creating the link in the builddeb
script.

Cc: maximilian attems <max@stro.at>
Cc: debian-kernel@lists.debian.org
Cc: linux-kbuild@vger.kernel.org
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Reviewed-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2012-02-24 23:54:29 +01:00
Greg Dietsche 42f1c01b79 coccicheck: change handling of C={1,2} when M= is set
This patch reverts a portion of d0bc1fb4 so that coccicheck will
work properly when C=1 or C=2.

Reported-and-tested-by: Brice Goglin <Brice.Goglin@inria.fr>
Signed-off-by: Greg Dietsche <Gregory.Dietsche@cuw.edu>
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2012-02-24 23:50:19 +01:00
Ben Hutchings 6c63522460 builddeb: Don't create files in /tmp with predictable names
The current use of /tmp for file lists is insecure.  Put them under
$objtree/debian instead.

Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Cc: stable@vger.kernel.org  # 2.6.39+
Acked-by: maximilian attems <max@stro.at>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2012-02-18 22:33:26 +01:00
Tony Lindgren 6e2e340b59 ARM: 7324/1: modpost: Fix section warnings for ARM for many compilers
It turns out that many compilers don't show section warnings on ARM
currently because handling for ARM_CALL relocs are missing from
modpost.c.

Based on commit c2e26114 ([ARM] 3205/1: Handle new EABI relocations when
loading kernel modules) it seems that R_ARM_PC24, R_ARM_CALL and
R_ARM_JUMP24 can be handled the same way.

Note that at least Debian libc6-dev is missing defines for both
R_ARM_CALL and R_ARM_JUMP24 in /usr/include/elf.h. So for now
we need to define them in modpost.c if not defined.

Acked-by: Rusty Russell <rusty@rustcorp.com.au>
Cc: Ben Hutchings <ben@decadent.org.uk>
Cc: Anders Kaseorg <andersk@ksplice.com>
Cc: Greg KH <gregkh@linuxfoundation.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-02-15 11:04:36 +00:00
Ondrej Zary 0d86f65ed0 module: fix broken isapnp handling in file2alias
Handling of isapnp module aliases was broken by commit
626596e295 by changing "isapnp" string to "isa".
The code was then modified by commit
e49ce14150 but this bug remained.

Change the string back to "isapnp".

Signed-off-by: Ondrej Zary <linux@rainbow-software.org>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2012-02-14 11:02:15 +10:30
Ben Hutchings 5467bdda4a x86/cpu: Clean up modalias feature matching
We currently include commas on both sides of the feature ID in a
modalias, but this prevents the lowest numbered feature of a CPU from
being matched.  Since all feature IDs have the same length, we do not
need to worry about substring matches, so omit commas from the
modalias entirely.

Avoid generating multiple adjacent wildcards when there is no
feature ID to match.

Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Acked-by: Thomas Renninger <trenn@suse.de>
Acked-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-02-13 15:24:26 -08:00
Joe Perches 8eef05dd3e checkpatch: Warn on code with 6+ tab indentation
Overly indented code should be refactored.

Suggest refactoring excessive indentation of of
if/else/for/do/while/switch statements.

For example:

$ cat t.c
#include <stdio.h>
#include <stdlib.h>

int main(int argc, char **argv)
{

	if (1)
		if (2)
			if (3)
				if (4)
					if (5)
						if (6)
							if (7)
								if (8)
									;
	return 0;
}

$ ./scripts/checkpatch.pl -f t.c
WARNING: Too many leading tabs - consider code refactoring
#12: FILE: t.c:12:
+						if (6)

WARNING: Too many leading tabs - consider code refactoring
#13: FILE: t.c:13:
+							if (7)

WARNING: Too many leading tabs - consider code refactoring
#14: FILE: t.c:14:
+								if (8)

total: 0 errors, 3 warnings, 17 lines checked

t.c has style problems, please review.

If any of these errors are false positives, please report
them to the maintainer, see CHECKPATCH in MAINTAINERS.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-02-07 15:53:08 -08:00
Greg Kroah-Hartman bd1d462e13 Merge 3.3-rc2 into the driver-core-next branch.
This was done to resolve a merge and build problem with the
drivers/acpi/processor_driver.c file.

Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-02-02 11:24:44 -08:00
Linus Torvalds deb9b4ce97 Merge branch 'fixes' of git://git.linaro.org/people/rmk/linux-arm
* 'fixes' of git://git.linaro.org/people/rmk/linux-arm: (31 commits)
  ARM: 7304/1: ioremap: fix boundary check when reusing static mapping
  ARM: 7301/1: Rename the T() macro to TUSER() to avoid namespace conflicts
  ARM: 7299/1: ftrace: clear zero bit in reported IPs for Thumb-2
  ARM: 7298/1: realview: fix mapping of MPCore private memory region
  PCMCIA: fix sa1111 oops on remove
  ARM: 7288/1: mach-sa1100: add missing module_init() call
  ARM: 7297/1: smp_twd: make sure timer is stopped before registering it
  ARM: 7296/1: proc-v7.S: remove HARVARD_CACHE preprocessor guards
  ARM: 7295/1: cortex-a7: move proc_info out of !CONFIG_ARM_LPAE block
  ARM: 7293/1: logical_cpu_map: decouple CPU mapping from SMP
  ARM: 7291/1: cache: assume 64-byte L1 cachelines for ARMv7 CPUs
  ARM: 7290/1: vmlinux.lds.S: align the exception fixup table to a 4-byte boundary
  ARM: 7289/1: vmlinux.lds.S: do not hardcode cacheline size as 32 bytes
  MFD: ucb1x00-ts: fix resume failure
  MFD: ucb1x00-core: fix gpiolib direction_output handling
  MFD: ucb1x00-core: fix missing restore of io output data on resume
  MFD: mcp-core: fix mcp_priv() to be more type safe
  MFD: mcp-core: fix complaints from the genirq layer
  Revert "ARM: sa11x0: Implement autoloading of codec and codec pdata for mcp bus."
  Revert "ARM: sa1100: Refactor mcp-sa11x0 to use platform resources."
  ...

Fix up conflict due to arch/arm/mach-mx5/Kconfig having been merged into
mach-imx5 (commit 784a90c0a7d8: "ARM i.MX: Merge i.MX5 support into
mach-imx"), but the ARM_L1_CACHE_SHIFT_6 entry was moved to be driven by
the CPU_V7 logic from it in the old location in rmk's branch (commit
a092f2b15399: "ARM: 7291/1: cache: assume 64-byte L1 cachelines for
ARMv7 CPUs").
2012-01-28 13:27:10 -08:00
Andi Kleen 644e9cbbe3 Add driver auto probing for x86 features v4
There's a growing number of drivers that support a specific x86 feature
or CPU.  Currently loading these drivers currently on a generic
distribution requires various driver specific hacks and it often
doesn't work.

This patch adds auto probing for drivers based on the x86 cpuid
information, in particular based on vendor/family/model number
and also based on CPUID feature bits.

For example a common issue is not loading the SSE 4.2 accelerated
CRC module: this can significantly lower the performance of BTRFS
which relies on fast CRC.

Another issue is loading the right CPUFREQ driver for the current CPU.
Currently distributions often try all all possible driver until
one sticks, which is not really a good way to do this.

It works with existing udev without any changes. The code
exports the x86 information as a generic string in sysfs
that can be matched by udev's pattern matching.

This scheme does not support numeric ranges, so if you want to
handle e.g. ranges of model numbers they have to be encoded
in ASCII or simply all models or families listed. Fixing
that would require changing udev.

Another issue is that udev will happily load all drivers that match,
there is currently no nice way to stop a specific driver from
being loaded if it's not needed (e.g. if you don't need fast CRC)
But there are not that many cpu specific drivers around and they're
all not that bloated, so this isn't a particularly serious issue.

Originally this patch added the modalias to the normal cpu
sysdevs. However sysdevs don't have all the infrastructure
needed for udev, so it couldn't really autoload drivers.
This patch instead adds the CPU modaliases to the cpuid devices,
which are real devices with full support for udev. This implies
that the cpuid driver has to be loaded to use this.

This patch just adds infrastructure, some driver conversions
in followups.

Thanks to Kay for helping with some sysfs magic.

v2: Constifcation, some updates
v4: (trenn@suse.de):
    - Use kzalloc instead of kmalloc to terminate modalias buffer
    - Use uppercase hex values to match correctly against hex values containing
      letters

Cc: Dave Jones <davej@redhat.com>
Cc: Kay Sievers <kay.sievers@vrfy.org>
Cc: Jen Axboe <axboe@kernel.dk>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: Huang Ying <ying.huang@intel.com>
Cc: Len Brown <lenb@kernel.org>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Thomas Renninger <trenn@suse.de>
Acked-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2012-01-26 16:44:41 -08:00
Kirill A. Shutemov f858ee8b8c kbuild: disable -Wmissing-field-initializers for W=1
-Wmissing-field-initializers is too noisy to be useful on W=1. Let's
move it to W=2.

Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2012-01-26 11:07:26 +01:00
Arnaud Lacombe 5d09598d48 kconfig: fix new choices being skipped upon config update
Running `oldconfig' after any of the following configuration change:

either trivial addition, such as:

config A
	bool "A"

choice
	prompt "Choice ?"
	depends on A

	config CHOICE_B
		bool "Choice B"

	config CHOICE_C
		bool "Choice C"
endchoice

or more tricky change:

OLD KCONFIG                      |  NEW KCONFIG
                                 |
                                 |  config A
                                 |          bool "A"
                                 |
choice                           |  choice
        prompt "Choice ?"        |          prompt "Choice ?"
                                 |
        config CHOICE_C          |          config CHOICE_C
                bool "Choice C"  |                  bool "Choice C"
                                 |
        config CHOICE_D          |          config CHOICE_D
                bool "Choice D"  |                  bool "Choice D"
endchoice                        |
                                 |          config CHOICE_E
                                 |                  bool "Choice E"
                                 |                  depends on A
                                 |  endchoice

will not cause the choice to be considered as NEW, and thus not be
asked. The cause of this behavior is that choice's novelty are computed
statically right after the saved configuration has been read. At this
point, the new dependency's value is still unknown and asserted to be
`no'. Moreover, no update to this decision is made afterward.

Correct this by dynamically evaluating a choice's novelty, and removing the
static evaluation.

Reported-and-tested-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Arnaud Lacombe <lacombar@gmail.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2012-01-26 11:01:56 +01:00
Randy Dunlap 70c95b00b8 scripts/kernel-doc: fix fatal error caused by cfg80211.h
include/net/cfg80211.h uses __must_check in functions that
have kernel-doc notation.  This was confusing scripts/kernel-doc,
so have scripts/kernel-doc ignore "__must_check".

Error(include/net/cfg80211.h:2702): cannot understand prototype: 'struct cfg80211_bss * __must_check cfg80211_inform_bss(...)

Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Cc:	Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-01-23 08:44:53 -08:00
Lucas De Marchi 620c231c7a kbuild: do not check for ancient modutils tools
scripts/depmod.sh checks for the output of '-V' expecting that it has
module-init-tools in it. It's a hack to prevent users from using
modutils instead of module-init-tools, that only works with 2.4.x
kernels. This however prints an annoying warning for kmod tool, that is
currently replacing module-init-tools.

Rather than putting another check for kmod's version, just remove it
since users of 2.4.x kernel are unlikely to upgrade to 3.x, and if they
do, let depmod fail in that case because they should know what they are
doing.

Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
Acked-by: WANG Cong <amwang@redhat.com>
Acked-By: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2012-01-23 15:12:19 +01:00
Russell King 65f2e753f1 Revert "ARM: sa11x0: Implement autoloading of codec and codec pdata for mcp bus."
This reverts commit 5dd7bf59e0.

Conflicts:

	scripts/mod/file2alias.c

This change is wrong on many levels.  First and foremost, it causes a
regression.  On boot on Assabet, which this patch gives a codec id of
'ucb1x00', it gives:

	ucb1x00 ID not found: 1005

0x1005 is a valid ID for the UCB1300 device.

Secondly, this patch is way over the top in terms of complexity.  The
only device which has been seen to be connected with this MCP code is
the UCB1x00 (UCB1200, UCB1300 etc) devices, and they all use the same
driver.  Adding a match table, requiring the codec string to match the
hardware ID read out of the ID register, etc is completely over the top
when we can just read the hardware ID register.
2012-01-20 17:38:58 +00:00
Linus Torvalds 5674124f9f Merge branch 'x86-syscall-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
* 'x86-syscall-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86: Move <asm/asm-offsets.h> from trace_syscalls.c to asm/syscall.h
  x86, um: Fix typo in 32-bit system call modifications
  um: Use $(srctree) not $(KBUILD_SRC)
  x86, um: Mark system call tables readonly
  x86, um: Use the same style generated syscall tables as native
  um: Generate headers before generating user-offsets.s
  um: Run host archheaders, allow use of host generated headers
  kbuild, headers.sh: Don't make archheaders explicitly
  x86, syscall: Allow syscall offset to be symbolic
  x86, syscall: Re-fix typo in comment
  x86: Simplify syscallhdr.sh
  x86: Generate system call tables and unistd_*.h from tables
  checksyscalls: Use arch/x86/syscalls/syscall_32.tbl as source
  x86: Machine-readable syscall tables and scripts to process them
  trace: Include <asm/asm-offsets.h> in trace_syscalls.c
  x86-64, ia32: Move compat_ni_syscall into C and its own file
  x86-64, syscall: Adjust comment spacing and remove typo
  kbuild: Add support for an "archheaders" target
  kbuild: Add support for installing generated asm headers
2012-01-16 18:19:19 -08:00
Linus Torvalds 408e057870 Merge branch 'misc' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild
* 'misc' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild:
  scripts/coccinelle: improve the coverage of some semantic patches
  coccinelle: semantic patches related to devm_ functions (part 2)
  coccinelle: semantic patches related to devm_ functions (part 1)
  coccinelle.txt: update documentation to include M= option
  coccicheck: add M= option to control which dir is processed
  ctags: remove struct forward declarations
  scripts/tags.sh: Add Page flag function magic
2012-01-16 14:36:07 -08:00
Linus Torvalds 287b901dca Merge branch 'kconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild
* 'kconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild:
  menuconfig: fix a regression when canceling the prompt dialog at exit
  kbuild: Fix compiler warning with assertion when calling 'fwrite'
  Improve update-po-config output
  menuconfig: let make not report error when not save configuration
  merge_config.sh: fix bug in final check
  merge_config.sh: whitespace cleanup
  merge_config.sh: use signal names compatible with dash and bash
  kconfig: add merge_config.sh script
  kconfig: use xfwrite wrapper function to silence warnings
  kconfig: fix set but not used warnings
  kconfig: fix warnings by specifing format arguments
2012-01-16 14:35:34 -08:00
Linus Torvalds c63dbbd526 Merge branch 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild
* 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild:
  Kbuild: Use dtc's -d (dependency) option
  dtc: Implement -d option to write out a dependency file
  kbuild: Fix comment in Makefile.lib
  scripts/genksyms: clean lex/yacc generated files
  kbuild: Correctly deal with make options which contain an "s"
2012-01-16 14:34:54 -08:00
Li Zefan 30c4eaafac menuconfig: fix a regression when canceling the prompt dialog at exit
This commit fixes a bug, while introducing a new one..

commit 7203ddbd4be9720649e47d756a001e0c7d7f8ae2
Author: Wang YanQing <udknight@gmail.com>
Date:   Thu Jan 12 11:31:32 2012 +0800

    menuconfig: let make not report error when not save configuration

Pressing ESC should cancel the yes/no dialog and return back to
the main menu, but not exit from menuconfig.

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Acked-by: Wang YanQing <udknight@gmail.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2012-01-16 14:40:16 +01:00
Linus Torvalds 83c2f912b4 Merge branch 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
* 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (39 commits)
  perf tools: Fix compile error on x86_64 Ubuntu
  perf report: Fix --stdio output alignment when --showcpuutilization used
  perf annotate: Get rid of field_sep check
  perf annotate: Fix usage string
  perf kmem: Fix a memory leak
  perf kmem: Add missing closedir() calls
  perf top: Add error message for EMFILE
  perf test: Change type of '-v' option to INCR
  perf script: Add missing closedir() calls
  tracing: Fix compile error when static ftrace is enabled
  recordmcount: Fix handling of elf64 big-endian objects.
  perf tools: Add const.h to MANIFEST to make perf-tar-src-pkg work again
  perf tools: Add support for guest/host-only profiling
  perf kvm: Do guest-only counting by default
  perf top: Don't update total_period on process_sample
  perf hists: Stop using 'self' for struct hist_entry
  perf hists: Rename total_session to total_period
  x86: Add counter when debug stack is used with interrupts enabled
  x86: Allow NMIs to hit breakpoints in i386
  x86: Keep current stack in NMI breakpoints
  ...
2012-01-15 11:26:35 -08:00
Linus Torvalds 1e6c4dfdeb Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-kconfig
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-kconfig:
  kconfig/streamline-config.pl: Fix parsing Makefile with variables
  kconfig/streamline-config.pl: Simplify backslash line concatination
2012-01-14 17:59:02 -08:00
Arnaud Lacombe 37ae2d5998 kbuild: Fix compiler warning with assertion when calling 'fwrite'
Reinhard Tartler discovered a corner case of calling xfwrite() where the
length of the string is zero.

Arnaud Lacombe suggested to use assertion for the corner case, as
fwrite(3) is currently used:

 1) in comment printers. Empty comment are not allowed.
 2) in a callback passed to expr_print(), where the string printed is
    either NULL OR non-empty.
 3) in the lexer, auto-generated, and unused.

I feel using assertion is a good solution:

 1) It cleanly takes care of the above-mentioned corner case.
 2) It can be easily disabled by defining NDEBUG.
 3) It asserts xfwrite() is simply a wrapper for fwrite().

Reported-by: Reinhard Tartler <Reinhard.Tartler@informatik.uni-erlangen.de>
Signed-off-by: Arnaud Lacombe <lacombar@gmail.com>
Signed-off-by: Jean Sacren <sakiwit@gmail.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2012-01-15 00:17:18 +01:00
Peter Foley e2aef4d33a Improve update-po-config output
Make the V=0 output from update-po-config be aligned correctly.
Also remove an outdated comment and add a "GEN" statement.

Signed-off-by: Peter Foley <pefoley2@verizon.net>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2012-01-15 00:13:53 +01:00
Julia Lawall 29a36d4dec scripts/coccinelle: improve the coverage of some semantic patches
This patch ensures that all semantic patches in the scripts/coccinelle
directory provide the report option.  Report messages that include line
numbers now have the line number preceded by "line" for easier subsequent
processing.

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2012-01-15 00:05:46 +01:00
Stephen Warren 7c43185138 Kbuild: Use dtc's -d (dependency) option
This hooks dtc into Kbuild's dependency system.

Thus, for example, "make dtbs" will rebuild tegra-harmony.dtb if only
tegra20.dtsi has changed yet tegra-harmony.dts has not. The previous
lack of this feature recently caused me to have very confusing "git
bisect" results.

For ARM, it's obvious what to add to $(targets). I'm not familiar enough
with other architectures to know what to add there. Powerpc appears to
already add various .dtb files into $(targets), but the other archs may
need something added to $(targets) to work.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Shawn Guo <shawn.guo@linaro.org>
[mmarek: Dropped arch/c6x part to avoid merging commits from the middle
of the merge window]
Signed-off-by: Michal Marek <mmarek@suse.cz>
2012-01-15 00:04:35 +01:00
Stephen Warren 136ec2049f dtc: Implement -d option to write out a dependency file
This will allow callers to rebuild .dtb files when any of the /include/d
.dtsi files are modified, not just the top-level .dts file.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2012-01-14 23:47:37 +01:00
Julia Lawall fb3f8af4ff coccinelle: semantic patches related to devm_ functions (part 2)
devm_ functions allocate memory that is to remain allocated until the
device is detached.  This patch checks for freeing of such memory using
standard memory freeing functions.

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2012-01-14 22:40:04 +01:00
Julia Lawall 22e0059af3 coccinelle: semantic patches related to devm_ functions (part 1)
devm_ functions allocate memory that is to remain allocated until the
device is detached.  This patch checks for opportunities for using the
function devm_request_and_ioremap.

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2012-01-14 22:39:53 +01:00
Greg Dietsche d0bc1fb467 coccicheck: add M= option to control which dir is processed
Examples:
	make coccicheck M=drivers/net/wireless/
	make coccicheck SUBDIRS=drivers/net/wireless/

Version 2:
	fix patch file names when using M=
	tell coccinelle where the include files are

Version 3:
	Add second include option to support out of tree development
	Fix error message

Signed-off-by: Greg Dietsche <Gregory.Dietsche@cuw.edu>
Acked-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2012-01-14 22:25:40 +01:00
Wang YanQing c55ac15401 menuconfig: let make not report error when not save configuration
I find every time when I choice the 'NO' button at the dialog
which let me choice whether to save the configuration before exit
menuconfig, it always report the blow:

" GEN     /mnt/sda7/home/build/test/Makefile
  HOSTCC  scripts/kconfig/mconf.o
  HOSTLD  scripts/kconfig/mconf
scripts/kconfig/mconf Kconfig

Your configuration changes were NOT saved.

make[2]: *** [menuconfig] Error 1
make[1]: *** [menuconfig] Error 2
make: *** [sub-make] Error 2 "

This patch repair it.

Signed-off-by: Wang YanQing <udknight@gmail.com>
Acked-by: Davidlohr Bueso <dave@gnu.org>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2012-01-14 21:54:32 +01:00
John Stultz 320d41bb15 merge_config.sh: fix bug in final check
Arnaud Lacombe pointed out the final checking that the requested configs
were included in the final .config was broken.

The example was that if you had a fragment that disabled
CONFIG_DECOMPRESS_GZIP applied to a normal defconfig, there would be no
final warning that CONFIG_DECOMPRESS_GZIP was acutally set in the final
.config.

This bug was introduced by me in v3 of the original patch, and the
following patch reverts the invalid change.

Signed-off-by: John Stultz <john.stultz@linaro.org>
Reported-by: Arnaud Lacombe <lacombar@gmail.com>
Cc: Darren Hart <dvhart@linux.intel.com>
Cc: Michal Marek <mmarek@suse.cz>
Cc: Arnaud Lacombe <lacombar@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2012-01-14 21:44:29 +01:00
Darren Hart c0c0cda276 merge_config.sh: whitespace cleanup
Fix whitespace usage in the clean_up routine.

Signed-off-by: Darren Hart <dvhart@linux.intel.com>
Acked-by: John Stultz <john.stultz@linaro.org>
Cc: Michal Marek <mmarek@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2012-01-14 21:44:29 +01:00
Darren Hart 041b78c89b merge_config.sh: use signal names compatible with dash and bash
The SIGHUP SIGINT and SIGTERM names caused failures when running
merge_config.sh with the dash shell.  Dropping the "SIG" component makes
the script work in both bash and dash.

Signed-off-by: Darren Hart <dvhart@linux.intel.com>
Acked-by: John Stultz <john.stultz@linaro.org>
Cc: Michal Marek <mmarek@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2012-01-14 21:44:29 +01:00