Граф коммитов

455019 Коммитов

Автор SHA1 Сообщение Дата
Chen Gang aaad618382 unicore32: include: asm: add missing ')' for PAGE_* macros in pgtable.h
Missing related ')', the related compiling error:

    CC [M]  drivers/gpu/drm/udl/udl_fb.o
  drivers/gpu/drm/udl/udl_fb.c: In function ‘udl_fb_mmap’:
  drivers/gpu/drm/udl/udl_fb.c:273: error: expected ‘)’ before ‘return’
  drivers/gpu/drm/udl/udl_fb.c:281: error: expected expression before ‘}’ token
  make[4]: *** [drivers/gpu/drm/udl/udl_fb.o] Error 1
  make[3]: *** [drivers/gpu/drm/udl] Error 2
  make[2]: *** [drivers/gpu/drm] Error 2
  make[1]: *** [drivers/gpu] Error 2
  make: *** [drivers] Error 2

Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com>
Acked-by: Xuetao Guan <gxt@mprc.pku.edu.cn>
Signed-off-by: Xuetao Guan <gxt@mprc.pku.edu.cn>
2014-06-20 08:22:40 +08:00
Chen Gang f80561e4d1 arch/unicore32/kernel/setup.c: add generic 'screen_info' to avoid compiling failure
Add generic 'screen_info' just like another architectures have done
(e.g. tile, sh, score, ia64, hexagon, and cris).

The related error (with allmodconfig under unicore32):

    LD      init/built-in.o
  drivers/built-in.o: In function `vgacon_save_screen':
  powercap_sys.c:(.text+0x21788): undefined reference to `screen_info'
  drivers/built-in.o: In function `vgacon_resize':
  powercap_sys.c:(.text+0x21b54): undefined reference to `screen_info'
  drivers/built-in.o: In function `vgacon_switch':
  powercap_sys.c:(.text+0x21cb4): undefined reference to `screen_info'
  drivers/built-in.o: In function `vgacon_init':
  powercap_sys.c:(.text+0x2296c): undefined reference to `screen_info'
  drivers/built-in.o: In function `vgacon_startup':
  powercap_sys.c:(.text+0x22e80): undefined reference to `screen_info'

Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com>
Acked-by: Xuetao Guan <gxt@mprc.pku.edu.cn>
Signed-off-by: Xuetao Guan <gxt@mprc.pku.edu.cn>
2014-06-20 08:22:39 +08:00
Chen Gang 8902b10787 drivers: scsi: mvsas: fix compiling issue by adding 'MVS_' for "enum pci_interrupt_cause"
The direct cause is IRQ_SPI is already defined as a macro in unicore32
architecture (also, blackfin and mips architectures define it). The
related error (unicore32  with allmodconfig)

    CC [M]  drivers/scsi/mvsas/mv_94xx.o
  In file included from drivers/scsi/mvsas/mv_94xx.c:27:
  drivers/scsi/mvsas/mv_94xx.h:176: error: expected identifier before numeric constant

And IRQ_SAS_A and IRQ_SAS_B are used as 'u32' (although "enum
pci_interrupt_cause" is not used directly, now).

All together, need add 'MVS_' for "enum pci_interrupt_cause".

Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Xuetao Guan <gxt@mprc.pku.edu.cn>
Signed-off-by: Xuetao Guan <gxt@mprc.pku.edu.cn>
2014-06-20 08:22:39 +08:00
Chen Gang 8065042279 arch: unicore32: kernel: ksyms: remove 'bswapsi2' and 'muldi3' to avoid compiling failure
After check the code, 'bswapsi2' and 'muldi3' are useless for
unicore32, so can remove them to avoid compiling failure.

The related error (with allmodconfig under unicore32):

    LD      init/built-in.o
  arch/unicore32/kernel/built-in.o:(___ksymtab+__muldi3+0x0): undefined reference to `__muldi3'
  arch/unicore32/kernel/built-in.o:(___ksymtab+__bswapsi2+0x0): undefined reference to `__bswapsi2'

Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com>
Acked-by: Xuetao Guan <gxt@mprc.pku.edu.cn>
Signed-off-by: Xuetao Guan <gxt@mprc.pku.edu.cn>
2014-06-20 08:22:39 +08:00
Chen Gang 5a5ffc991e arch/unicore32/kernel/ksyms.c: remove 2 export symbols to avoid compiling failure
'csum_partial' and 'csum_partial_copy_from_user' have already been
exported in "lib/", so need not export them again, or it will cause
compiling error.

The related error (with allmodconfig under unicore32):

    LD      vmlinux.o
  lib/built-in.o:(___ksymtab+csum_partial+0x0): multiple definition of `__ksymtab_csum_partial'
  arch/unicore32/kernel/built-in.o:(___ksymtab+csum_partial+0x0): first defined here
  lib/built-in.o:(___ksymtab+csum_partial_copy_from_user+0x0): multiple definition of `__ksymtab_csum_partial_copy_from_user'
  arch/unicore32/kernel/built-in.o:(___ksymtab+csum_partial_copy_from_user+0x0): first defined here
  make: *** [vmlinux] Error 1

Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com>
Acked-by: Xuetao Guan <gxt@mprc.pku.edu.cn>
Signed-off-by: Xuetao Guan <gxt@mprc.pku.edu.cn>
2014-06-20 08:22:39 +08:00
Chen Gang 73fa540618 drivers/rtc/rtc-puv3.c: remove "&dev->" for typo issue MIME-Version: 1.0
It is only a typo issue, the related commit:

  "1fbc4c4 drivers/rtc/rtc-puv3.c: use dev_dbg() instead of pr_debug()"

The related error (for unicore32 with allmodconfig):

    CC [M]  drivers/rtc/rtc-puv3.o
  drivers/rtc/rtc-puv3.c: In function 'puv3_rtc_setalarm':
  drivers/rtc/rtc-puv3.c:143: error: 'struct device' has no member named 'dev'

Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com>
Acked-by: Xuetao Guan <gxt@mprc.pku.edu.cn>
Signed-off-by: Xuetao Guan <gxt@mprc.pku.edu.cn>
2014-06-20 08:22:39 +08:00
Chen Gang c863810cef drivers/rtc/rtc-puv3.c: use dev_dbg() instead of dev_debug() for typo issue
It is only a typo issue, the related commit:

  "1fbc4c4 drivers/rtc/rtc-puv3.c: use dev_dbg() instead of pr_debug()"

The related error (unicore32 with allmodconfig):

    CC [M]  drivers/rtc/rtc-puv3.o
  drivers/rtc/rtc-puv3.c: In function 'puv3_rtc_setpie':
  drivers/rtc/rtc-puv3.c:74: error: implicit declaration of function 'dev_debug'

Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com>
Acked-by: Xuetao Guan <gxt@mprc.pku.edu.cn>
Signed-off-by: Xuetao Guan <gxt@mprc.pku.edu.cn>
2014-06-20 08:22:38 +08:00
Chen Gang 312c6df403 arch/unicore32/include/asm/io.h: add readl_relaxed() generic definition
Need generic definition for readl_relaxed(), like other architectures
have done. Or can not pass compiling with allmodconfig, the related
error:

    CC [M]  drivers/message/fusion/mptbase.o
  drivers/message/fusion/mptbase.c: In function 'mpt_send_handshake_request':
  drivers/message/fusion/mptbase.c:1224: error: implicit declaration of function 'readl_relaxed'

Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com>
Acked-by: Xuetao Guan <gxt@mprc.pku.edu.cn>
Signed-off-by: Xuetao Guan <gxt@mprc.pku.edu.cn>
2014-06-20 08:22:38 +08:00
Chen Gang 1febf61514 arch/unicore32/include/asm/ptrace.h: add generic definition for profile_pc()
Add generic definition just like another architectures have done, or
can not pass compiling with allmodconfig, the related error:

    CC      kernel/profile.o
  kernel/profile.c: In function 'profile_tick':
  kernel/profile.c:419: error: implicit declaration of function 'profile_pc'
  make[1]: *** [kernel/profile.o] Error 1
  make: *** [kernel] Error 2

Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com>
Acked-by: Xuetao Guan <gxt@mprc.pku.edu.cn>
Signed-off-by: Xuetao Guan <gxt@mprc.pku.edu.cn>
2014-06-20 08:22:38 +08:00
Chen Gang 1ff38c56cb arch/unicore32/mm/alignment.c: include "asm/pgtable.h" to avoid compiling error
Need include "asm/pgtable.h" to include "asm-generic/pgtable-nopmd.h",
so can let 'pmd_t' defined. The related error with allmodconfig:

    CC      arch/unicore32/mm/alignment.o
  In file included from arch/unicore32/mm/alignment.c:24:
  arch/unicore32/include/asm/tlbflush.h:135: error: expected .). before .*. token
  arch/unicore32/include/asm/tlbflush.h:154: error: expected .). before .*. token
  In file included from arch/unicore32/mm/alignment.c:27:
  arch/unicore32/mm/mm.h:15: error: expected .=., .,., .;., .sm. or ._attribute__. before .*. token
  arch/unicore32/mm/mm.h:20: error: expected .=., .,., .;., .sm. or ._attribute__. before .*. token
  arch/unicore32/mm/mm.h:25: error: expected .=., .,., .;., .sm. or ._attribute__. before .*. token
  make[1]: *** [arch/unicore32/mm/alignment.o] Error 1
  make: *** [arch/unicore32/mm] Error 2

Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com>
Acked-by: Xuetao Guan <gxt@mprc.pku.edu.cn>
Signed-off-by: Xuetao Guan <gxt@mprc.pku.edu.cn>
2014-06-20 08:22:38 +08:00
Chen Gang db7ef289a2 arch/unicore32/kernel/clock.c: add readl() and writel() for 'PM_' macros
Add readl() and writel() for 'PM_' macros, just like another areas have
done within unicored32, or will cause compiling issue.

The related error (allmodconfig for unicored32):

    CC      arch/unicore32/kernel/clock.o
  arch/unicore32/kernel/clock.c: In function 'clk_set_rate':
  arch/unicore32/kernel/clock.c:182: warning: initialization makes integer from pointer without a cast
  arch/unicore32/kernel/clock.c:204: error: lvalue required as left operand of assignment
  arch/unicore32/kernel/clock.c:206: error: lvalue required as left operand of assignment
  arch/unicore32/kernel/clock.c:207: error: invalid operands to binary & (have 'void *' and 'long unsigned int')
  make[1]: *** [arch/unicore32/kernel/clock.o] Error 1
  make: *** [arch/unicore32/kernel] Error 2

Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com>
Acked-by: Xuetao Guan <gxt@mprc.pku.edu.cn>
Signed-off-by: Xuetao Guan <gxt@mprc.pku.edu.cn>
2014-06-20 08:22:37 +08:00
Chen Gang df8e4c7d8d arch/unicore32/kernel/module.c: use __vmalloc_node_range() instead of __vmalloc_area()
__vmalloc_area() has already been removed from upstream kernel, need
use __vmalloc_node_range() instead of.

The related commit: "d0a2126 mm: unify module_alloc code for vmalloc".

The related error (allmodconfig for unicore32):

    CC      arch/unicore32/kernel/module.o
  arch/unicore32/kernel/module.c: In function 'module_alloc' :
  arch/unicore32/kernel/module.c:34: error: implicit declaration of function '__vmalloc_area'
  arch/unicore32/kernel/module.c:34: warning: return makes pointer from integer without a cast
  make[1]: *** [arch/unicore32/kernel/module.o] Error 1
  make: *** [arch/unicore32/kernel] Error 2

Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com>
Acked-by: Xuetao Guan <gxt@mprc.pku.edu.cn>
Signed-off-by: Xuetao Guan <gxt@mprc.pku.edu.cn>
2014-06-20 08:22:37 +08:00
Chen Gang 4877b60cdf arch/unicore32/kernel/ksyms.c: remove several undefined exported symbols
For 'csum_partial_copy_nocheck()', it has default definition in
'asm-generic'.

For '__raw_reads?()' and '__raw_writes?()' are used by the drivers
which no relationship with allmodconfig for unicode32, the related
modules are:

  drivers/mmc/host/omap.c
  drivers/mtd/nand/atmel_nand.c
  drivers/mtd/nand/pxa3xx_nand.c
  drivers/usb/gadget/at91_udc.c

Others are only within some architectures (not kernel wide).

The related error with allmodconfig for unicode32:

    CC      arch/unicore32/kernel/ksyms.o
  arch/unicore32/kernel/ksyms.c:29: error: ._backtrace. undeclared here (not in a function)
  arch/unicore32/kernel/ksyms.c:29: error: type defaults to .nt. in declaration of ._backtrace.
  arch/unicore32/kernel/ksyms.c:38: error: .sum_partial_copy_nocheck. undeclared here (not in a function)
  arch/unicore32/kernel/ksyms.c:38: error: type defaults to .nt. in declaration of .sum_partial_copy_nocheck.
  arch/unicore32/kernel/ksyms.c:39: error: ._csum_ipv6_magic. undeclared here (not in a function)
  arch/unicore32/kernel/ksyms.c:39: error: type defaults to .nt. in declaration of ._csum_ipv6_magic.
  arch/unicore32/kernel/ksyms.c:43: error: ._raw_readsb. undeclared here (not in a function)
  arch/unicore32/kernel/ksyms.c:43: error: type defaults to .nt. in declaration of ._raw_readsb.
  arch/unicore32/kernel/ksyms.c:46: error: ._raw_readsw. undeclared here (not in a function)
  arch/unicore32/kernel/ksyms.c:46: error: type defaults to .nt. in declaration of ._raw_readsw.
  arch/unicore32/kernel/ksyms.c:49: error: ._raw_readsl. undeclared here (not in a function)
  arch/unicore32/kernel/ksyms.c:49: error: type defaults to .nt. in declaration of ._raw_readsl.
  arch/unicore32/kernel/ksyms.c:52: error: ._raw_writesb. undeclared here (not in a function)
  arch/unicore32/kernel/ksyms.c:52: error: type defaults to .nt. in declaration of ._raw_writesb.
  arch/unicore32/kernel/ksyms.c:55: error: ._raw_writesw. undeclared here (not in a function)
  arch/unicore32/kernel/ksyms.c:55: error: type defaults to .nt. in declaration of ._raw_writesw.
  arch/unicore32/kernel/ksyms.c:58: error: ._raw_writesl. undeclared here (not in a function)
  arch/unicore32/kernel/ksyms.c:58: error: type defaults to .nt. in declaration of ._raw_writesl.
  arch/unicore32/kernel/ksyms.c:79: error: ._get_user_1. undeclared here (not in a function)
  arch/unicore32/kernel/ksyms.c:79: error: type defaults to .nt. in declaration of ._get_user_1.
  arch/unicore32/kernel/ksyms.c:80: error: ._get_user_2. undeclared here (not in a function)
  arch/unicore32/kernel/ksyms.c:80: error: type defaults to .nt. in declaration of ._get_user_2.
  arch/unicore32/kernel/ksyms.c:81: error: ._get_user_4. undeclared here (not in a function)
  arch/unicore32/kernel/ksyms.c:81: error: type defaults to .nt. in declaration of ._get_user_4.
  arch/unicore32/kernel/ksyms.c:83: error: ._put_user_1. undeclared here (not in a function)
  arch/unicore32/kernel/ksyms.c:83: error: type defaults to .nt. in declaration of ._put_user_1.
  arch/unicore32/kernel/ksyms.c:84: error: ._put_user_2. undeclared here (not in a function)
  arch/unicore32/kernel/ksyms.c:84: error: type defaults to .nt. in declaration of ._put_user_2.
  arch/unicore32/kernel/ksyms.c:85: error: ._put_user_4. undeclared here (not in a function)
  arch/unicore32/kernel/ksyms.c:85: error: type defaults to .nt. in declaration of ._put_user_4.
  arch/unicore32/kernel/ksyms.c:86: error: ._put_user_8. undeclared here (not in a function)
  arch/unicore32/kernel/ksyms.c:86: error: type defaults to .nt. in declaration of ._put_user_8.

Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com>
Acked-by: Xuetao Guan <gxt@mprc.pku.edu.cn>
Signed-off-by: Xuetao Guan <gxt@mprc.pku.edu.cn>
2014-06-20 08:22:37 +08:00
Linus Torvalds 894e552cfa Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security
Pull security maintainership update from James Morris:
 "Add Serge Hallyn as security subsystem co-maintainer"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security:
  security: add Serge Hallyn as a maintainer
2014-06-19 07:58:28 -10:00
Linus Torvalds 3d09c62394 xen: regression and PVH fixes for 3.16-rc1
- Fix dom0 PVH memory setup on latest unstable Xen releases.
 - Fix 64-bit x86 PV guest boot failure on Xen 3.1 and earlier.
 - Fix resume regression on non-PV (auto-translated physmap) guests.
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Merge tag 'stable/for-linus-3.16-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip

Pull Xen fixes from David Vrabel:
 "Xen regression and PVH fixes for 3.16-rc1

   - fix dom0 PVH memory setup on latest unstable Xen releases
   - fix 64-bit x86 PV guest boot failure on Xen 3.1 and earlier
   - fix resume regression on non-PV (auto-translated physmap) guests"

* tag 'stable/for-linus-3.16-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
  xen/grant-table: fix suspend for non-PV guests
  x86/xen: no need to explicitly register an NMI callback
  Revert "xen/pvh: Update E820 to work with PVH (v2)"
  x86/xen: fix memory setup for PVH dom0
2014-06-19 07:53:27 -10:00
Linus Torvalds 92b944170d - ftrace_return_addr() macro fix for arm (introduced earlier via the
arm64 tree)
 - stack alignment exception entry code fix
 - GHASH crypto algorithm fix and performance improvement
 - CMA buffer limited to 32-bit (until a better way to describe the
   system topology in DT)
 - UAPI sigcontext.h build fix
 - __kernel_old_{gid,uid}_t definitions fix (affecting 32-bit LTP)
 - ptrace fixes (kernel fault and 32-bit arm core dump)
 - pte_mknotpresent() fix
 - dts updates (APM SoC)
 - defconfig and Kconfig update
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

Pull arm64 fixes from Catalin Marinas:
 "These are primarily bug fixes with a performance improvement patch for
  the GHASH crypto algorithm (which went in during this merging window)
  and dts/defconfig/Kconfig updates.

   - ftrace_return_addr() macro fix for arm (introduced earlier via the
     arm64 tree)
   - stack alignment exception entry code fix
   - GHASH crypto algorithm fix and performance improvement
   - CMA buffer limited to 32-bit (until a better way to describe the
     system topology in DT)
   - UAPI sigcontext.h build fix
   - __kernel_old_{gid,uid}_t definitions fix (affecting 32-bit LTP)
   - ptrace fixes (kernel fault and 32-bit arm core dump)
   - pte_mknotpresent() fix
   - dts updates (APM SoC)
   - defconfig and Kconfig update"

* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
  arm64: mm: remove broken &= operator from pmd_mknotpresent
  arm64: fix build error in sigcontext.h
  arm64: dts: Add more serial port nodes in APM X-Gene device tree
  arm64/dma: Removing ARCH_HAS_DMA_GET_REQUIRED_MASK macro
  arm64: ptrace: fix empty registers set in prstatus of aarch32 process core
  arm64: uid16: fix __kernel_old_{gid,uid}_t definitions
  arm64: ptrace: change fs when passing kernel pointer to regset code
  arm64: Limit the CMA buffer to 32-bit if ZONE_DMA
  arm/ftrace: fix ftrace_return_addr() to ftrace_return_address()
  arm64/crypto: improve performance of GHASH algorithm
  arm64/crypto: fix data corruption bug in GHASH algorithm
  arm64: defconfig update for LTP
  arm64: ftrace: Fix comment typo 'CONFIG_FUNCTION_GRAPH_FP_TEST'
  arm64: add ARCH_HAS_OPP to allow enabling OPP library
  arm64: restore alphabetic order in Kconfig
  arm64: Bug fix in stack alignment exception
2014-06-19 07:51:45 -10:00
Linus Torvalds c4222e4635 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-next
Pull sparc fixes from David Miller:
 "Sparc sparse fixes from Sam Ravnborg"

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-next: (67 commits)
  sparc64: fix sparse warnings in int_64.c
  sparc64: fix sparse warning in ftrace.c
  sparc64: fix sparse warning in kprobes.c
  sparc64: fix sparse warning in kgdb_64.c
  sparc64: fix sparse warnings in compat_audit.c
  sparc64: fix sparse warnings in init_64.c
  sparc64: fix sparse warnings in aes_glue.c
  sparc: fix sparse warnings in smp_32.c + smp_64.c
  sparc64: fix sparse warnings in perf_event.c
  sparc64: fix sparse warnings in kprobes.c
  sparc64: fix sparse warning in tsb.c
  sparc64: clean up compat_sigset_t.seta handling
  sparc64: fix sparse "Should it be static?" warnings in signal32.c
  sparc64: fix sparse warnings in sys_sparc32.c
  sparc64: fix sparse warning in pci.c
  sparc64: fix sparse warnings in smp_64.c
  sparc64: fix sparse warning in prom_64.c
  sparc64: fix sparse warning in btext.c
  sparc64: fix sparse warnings in sys_sparc_64.c + unaligned_64.c
  sparc64: fix sparse warning in process_64.c
  ...

Conflicts:
	arch/sparc/include/asm/pgtable_64.h
2014-06-19 07:50:07 -10:00
Will Deacon e3a920afc3 arm64: mm: remove broken &= operator from pmd_mknotpresent
This should be a plain old '&' and could easily lead to undefined
behaviour if the target of a pmd_mknotpresent invocation was the same
as the parameter.

Fixes: 9c7e535fcc (arm64: mm: Route pmd thp functions through pte equivalents)
Signed-off-by: Will Deacon <will.deacon@arm.com>
Cc: <stable@vger.kernel.org> # v3.15
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2014-06-18 16:34:30 +01:00
Mark Salter 5e40645072 arm64: fix build error in sigcontext.h
I'm seeing this build failure for arm64:

    CC [M]  Documentation/filesystems/configfs/configfs_example_macros.o
  In file included from /usr/include/bits/sigcontext.h:27:0,
                   from /usr/include/signal.h:340,
                   from /usr/include/sys/wait.h:30,
                   from Documentation/accounting/getdelays.c:24:
  .../linux/usr/include/asm/sigcontext.h:61:2: error: unknown type name ‘u64’
    u64 esr;
    ^
  make[2]: *** [Documentation/accounting/getdelays] Error 1

This was introduced by commit 15af1942dd61ee23:

  arm64: Expose ESR_EL1 information to user when SIGSEGV/SIGBUS

Using __u64 instead of u64 fixes the problem.

Signed-off-by: Mark Salter <msalter@redhat.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2014-06-18 12:41:56 +01:00
Vinayak Kale 457ced8458 arm64: dts: Add more serial port nodes in APM X-Gene device tree
APM X-Gene Storm SoC supports 4 serial ports. This patch adds device nodes
for serial ports 1 to 3 (a device node for serial port 0 is already present
in the dts file).
This patch also sets the compatible property of serial nodes to "ns16550a".

Signed-off-by: Vinayak Kale <vkale@apm.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2014-06-18 12:41:55 +01:00
Suravee Suthikulpanit f3a183cb42 arm64/dma: Removing ARCH_HAS_DMA_GET_REQUIRED_MASK macro
Arm64 does not define dma_get_required_mask() function.
Therefore, it should not define the ARCH_HAS_DMA_GET_REQUIRED_MASK.
This causes build errors in some device drivers (e.g. mpt2sas)

Signed-off-by: Suravee Suthikulpanit <Suravee.Suthikulpanit@amd.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Cc: <stable@vger.kernel.org>
2014-06-18 12:41:30 +01:00
Victor Kamensky 2227901a02 arm64: ptrace: fix empty registers set in prstatus of aarch32 process core
Currently core file of aarch32 process prstatus note has empty
registers set. As result aarch32 core files create by V8 kernel are
not very useful.

It happens because compat_gpr_get and compat_gpr_set functions can
copy registers values to/from either kbuf or ubuf. ELF core file
collection function fill_thread_core_info calls compat_gpr_get
with kbuf set and ubuf set to 0. But current compat_gpr_get and
compat_gpr_set function handle copy to/from only ubuf case.

Fix is to handle kbuf and ubuf as two separate cases in similar
way as other functions like user_regset_copyout, user_regset_copyin do.

Signed-off-by: Victor Kamensky <victor.kamensky@linaro.org>
Acked-by: Will Deacon <will.deacon@arm.com>
Cc: stable@vger.kernel.org
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2014-06-18 12:41:14 +01:00
Will Deacon 34c65c43f1 arm64: uid16: fix __kernel_old_{gid,uid}_t definitions
Whilst native arm64 applications don't have the 16-bit UID/GID syscalls
wired up, compat tasks can still access them. The 16-bit wrappers for
these syscalls use __kernel_old_uid_t and __kernel_old_gid_t, which must
be 16-bit data types to maintain compatibility with the 16-bit UIDs used
by compat applications.

This patch defines 16-bit __kernel_old_{gid,uid}_t types for arm64
instead of using the 32-bit types provided by asm-generic.

Signed-off-by: Will Deacon <will.deacon@arm.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Cc: <stable@vger.kernel.org>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2014-06-18 12:41:09 +01:00
Will Deacon c168870704 arm64: ptrace: change fs when passing kernel pointer to regset code
Our compat PTRACE_POKEUSR implementation simply passes the user data to
regset_copy_from_user after some simple range checking. Unfortunately,
the data in question has already been copied to the kernel stack by this
point, so the subsequent access_ok check fails and the ptrace request
returns -EFAULT. This causes problems tracing fork() with older versions
of strace.

This patch briefly changes the fs to KERNEL_DS, so that the access_ok
check passes even with a kernel address.

Signed-off-by: Will Deacon <will.deacon@arm.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2014-06-18 12:40:57 +01:00
Catalin Marinas 2d5a5612bc arm64: Limit the CMA buffer to 32-bit if ZONE_DMA
When the CMA buffer is allocated, it is too early to know whether
devices will require ZONE_DMA memory. This patch limits the CMA buffer
to (DMA_BIT_MASK(32) + 1) if CONFIG_ZONE_DMA is enabled.

In addition, it computes the dma_to_phys(DMA_BIT_MASK(32)) before the
increment (no current functional change).

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2014-06-18 12:40:56 +01:00
Steven Rostedt 1712ef43af arm/ftrace: fix ftrace_return_addr() to ftrace_return_address()
The clean up of CALLER_ADDR*() functions required the archs to either
use the default __builtin_return_address(X) (where X > 0) or override
it with something the arch can use. To override it, the arch would
define ftrace_return_address(x).

The arm architecture requires this to be redefined but instead of
defining ftrace_return_address(x) it defined ftrace_return_addr(x).

Fixes: eed542d696 (ftrace: Make CALLER_ADDRx macros more generic)
Reported-by: Geert Uytterhoeven <geert@linux-m68k.org>
Tested-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2014-06-18 12:40:55 +01:00
Ard Biesheuvel b913a6404c arm64/crypto: improve performance of GHASH algorithm
This patches modifies the GHASH secure hash implementation to switch to a
faster, polynomial multiplication based reduction instead of one that uses
shifts and rotates.

Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2014-06-18 12:40:54 +01:00
Ard Biesheuvel 6aa8b209f5 arm64/crypto: fix data corruption bug in GHASH algorithm
This fixes a bug in the GHASH algorithm resulting in the calculated hash to be
incorrect if the input is presented in chunks whose size is not a multiple of
16 bytes.

Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Fixes: fdd2389457 ("arm64/crypto: GHASH secure hash using ARMv8 Crypto Extensions")
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2014-06-18 12:40:53 +01:00
Catalin Marinas 8907272849 arm64: defconfig update for LTP
This patch adds several defconfig options required primarily by the LTP
test suite.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2014-06-18 12:40:52 +01:00
Paul Bolle a46ec3a14a arm64: ftrace: Fix comment typo 'CONFIG_FUNCTION_GRAPH_FP_TEST'
Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2014-06-18 12:40:52 +01:00
Sudeep Holla 333d17e566 arm64: add ARCH_HAS_OPP to allow enabling OPP library
The Operating Performance Point (OPP) Layer library is a generic
library used by CPUFREQ and DEVFREQ. It can be enabled only on the
platforms that specify ARCH_HAS_OPP option.

This patch selects that option in order to allow ARM64 based platforms
to use OPP library.

Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2014-06-18 12:40:51 +01:00
Sudeep Holla c63c8700f7 arm64: restore alphabetic order in Kconfig
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2014-06-18 12:40:50 +01:00
ChiaHao 3906c2b53c arm64: Bug fix in stack alignment exception
The value of ESR has been stored into x1, and should be directly pass to
do_sp_pc_abort function, "MOV x1, x25" is an extra operation and do_sp_pc_abort
will get the wrong value of ESR.

Signed-off-by: ChiaHao <andy.jhshiu@gmail.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Cc: <stable@vger.kernel.org>
2014-06-18 12:40:36 +01:00
David Vrabel 13cd36a37a xen/grant-table: fix suspend for non-PV guests
Commit aa8532c322 (xen: refactor suspend
pre/post hooks) broke resuming PVHVM (auto-translated physmap) guests.

The gnttab_suspend() would clear the mapping for the grant table
frames, but the ->unmap_frames() call is only applicable to PV guests.

Signed-off-by: David Vrabel <david.vrabel@citrix.com>
Reported-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Tested-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
2014-06-18 10:58:01 +01:00
David Vrabel ea9f9274bf x86/xen: no need to explicitly register an NMI callback
Remove xen_enable_nmi() to fix a 64-bit guest crash when registering
the NMI callback on Xen 3.1 and earlier.

It's not needed since the NMI callback is set by a set_trap_table
hypercall (in xen_load_idt() or xen_write_idt_entry()).

It's also broken since it only set the current VCPU's callback.

Signed-off-by: David Vrabel <david.vrabel@citrix.com>
Reported-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Tested-by: Vitaly Kuznetsov <vkuznets@redhat.com>
2014-06-18 10:57:41 +01:00
James Morris 70b4a2598c security: add Serge Hallyn as a maintainer
Add Serge E. Hallyn <serge@hallyn.com> as a co-maintainer of the
security subsystem, to avoid having a single point of failure
in the development process.

Signed-off-by: James Morris <james.l.morris@oracle.com>
2014-06-18 18:57:50 +10:00
Linus Torvalds e99cfa2d06 - Fix microblaze compiling due to conflicting merge window changes
- A fix in of_attach_node due to of_find_node_by_path changes
 - Prevent format strings in DT kobject names
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Merge tag 'dt-fixes-for-3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux

Pull device tree fixes from Rob Herring:
 - fix microblaze compiling due to conflicting merge window changes
 - a fix in of_attach_node due to of_find_node_by_path changes
 - prevent format strings in DT kobject names

* tag 'dt-fixes-for-3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
  OF: fix of_find_node_by_path() assumption that of_allnodes is root
  of: avoid format string parsing in kobject names
  of/platform: Fix microblaze build failure
2014-06-17 14:25:09 -10:00
Linus Torvalds 5ee22beeb2 random: fix entropy accounting bug introduced in v3.15
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Merge tag 'random_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/random

Pull randomness bugfix from Ted Ts'o:
 "random: fix entropy accounting bug introduced in v3.15"

* tag 'random_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/random:
  random: fix nasty entropy accounting bug
2014-06-17 14:23:14 -10:00
Linus Torvalds 5cfb277d66 regulator: Fixes for v3.16
A few small fixes:
 
  - Fixes for bugs in Palmas and as3722 exposed by recent changes in the
    core - the drivers weren't allowing the current configuration to be
    read sometimes.
  - Provide a stub for regulator_can_change_voltage() for !REGULATOR.
  - Make sure ltc3589 only looks at its child nodes in the device tree
    rather than searching the whole tree.
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Merge tag 'regulator-v3.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator

Pull regulator fixes from Mark Brown:
 "A few small fixes:

   - Fixes for bugs in Palmas and as3722 exposed by recent changes in
     the core - the drivers weren't allowing the current configuration
     to be read sometimes.
   - Provide a stub for regulator_can_change_voltage() for !REGULATOR.
   - Make sure ltc3589 only looks at its child nodes in the device tree
     rather than searching the whole tree"

* tag 'regulator-v3.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
  regulator: ltc3589: Use of_get_child_by_name
  regulator: palmas: Fix SMPS list for 0V
  regulator: add regulator_can_change_voltage stub
  regulator: as3722: Make 0 a valid selector
2014-06-17 14:21:07 -10:00
Linus Torvalds 66a521bdda spi: Fix for v3.16
A single bugfix from the merge window, fixing an issue with DMA at slow
 speeds on Intel hardware.
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Merge tag 'spi-v3.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi

Pull spi fix from Mark Brown:
 "A single bugfix from the merge window, fixing an issue with DMA at
  slow speeds on Intel hardware"

* tag 'spi-v3.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
  spi/pxa2xx: change default supported DMA burst size to 1
2014-06-17 14:20:17 -10:00
Konstantin Khlebnikov ebe06187bf epoll: fix use-after-free in eventpoll_release_file
This fixes use-after-free of epi->fllink.next inside list loop macro.
This loop actually releases elements in the body.  The list is
rcu-protected but here we cannot hold rcu_read_lock because we need to
lock mutex inside.

The obvious solution is to use list_for_each_entry_safe().  RCU-ness
isn't essential because nobody can change this list under us, it's final
fput for this file.

The bug was introduced by ae10b2b4eb ("epoll: optimize EPOLL_CTL_DEL
using rcu")

Signed-off-by: Konstantin Khlebnikov <koct9i@gmail.com>
Reported-by: Cyrill Gorcunov <gorcunov@openvz.org>
Cc: Stable <stable@vger.kernel.org> # 3.13+
Cc: Sasha Levin <sasha.levin@oracle.com>
Cc: Jason Baron <jbaron@akamai.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-06-16 17:21:59 -10:00
Frank Rowand 99de64984c OF: fix of_find_node_by_path() assumption that of_allnodes is root
of_find_node_by_path() is borked because of_allnodes is not guaranteed to
contain the root of the tree after using any of the dynamic update functions
because some other nodes ends up as of_allnodes.

Fixes: c22e650e66 of: Make of_find_node_by_path() handle /aliases
Reported-by: pantelis.antoniou@konsulko.com
Signed-off-by: Frank Rowand <frank.rowand@sonymobile.com>
Signed-off-by: Rob Herring <robh@kernel.org>
2014-06-16 13:31:44 -05:00
Kees Cook 28d3ee40ef of: avoid format string parsing in kobject names
This makes sure a format string cannot leak into the kobject name that
is constructed. (And splits the >80 character line.)

Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Rob Herring <robh@kernel.org>
2014-06-16 13:31:44 -05:00
Guenter Roeck e1319ea5db of/platform: Fix microblaze build failure
Commit bf5db2f (microblaze: Use generic device.h) removes the
microblaze specific pdev_archdata and dma_mask.

At the same time, commit 591c1ee (of: configure the platform
device dma parameters) initializes the just removed field.
This causes all microblaze builds to fail.

Drop the unnecessary initialization.

Cc: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Michal Simek <monstr@monstr.eu>
Signed-off-by: Rob Herring <robh@kernel.org>
2014-06-16 13:31:43 -05:00
Mark Brown c9ac065928 Merge remote-tracking branches 'regulator/fix/as3722', 'regulator/fix/ltc3589' and 'regulator/fix/palmas' into regulator-linus 2014-06-16 16:05:57 +01:00
Mark Brown c3313b0ce8 Merge remote-tracking branch 'regulator/fix/core' into regulator-linus 2014-06-16 16:05:56 +01:00
Axel Lin 73d23ca732 regulator: ltc3589: Use of_get_child_by_name
of_find_node_by_name() walks the allnodes list, and can thus walk
outside of the parent node. Use of_get_child_by_name() instead.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-06-16 15:56:33 +01:00
Benjamin Herrenschmidt 68986c9f0f Revert "offb: Add palette hack for little endian"
This reverts commit e1edf18b20.

This patch was a misguided attempt at fixing offb for LE ppc64
kernels on BE qemu but is just wrong ... it breaks real LE/LE
setups, LE with real HW, and existing mixed endian systems
that did the fight thing with the appropriate device-tree
property. Bad reviewing on my part, sorry.

The right fix is to either make qemu change its endian when
the guest changes endian (working on that) or to use the
existing foreign endian support.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
CC: <stable@vger.kernel.org> [v3.13+]
---
2014-06-16 19:45:45 +10:00
Linus Torvalds 7171511eae Linux 3.16-rc1 2014-06-15 17:45:28 -10:00
Linus Torvalds a9be22425e Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Pull networking fixes from David Miller:

 1) Fix checksumming regressions, from Tom Herbert.

 2) Undo unintentional permissions changes for SCTP rto_alpha and
    rto_beta sysfs knobs, from Denial Borkmann.

 3) VXLAN, like other IP tunnels, should advertize it's encapsulation
    size using dev->needed_headroom instead of dev->hard_header_len.
    From Cong Wang.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net:
  net: sctp: fix permissions for rto_alpha and rto_beta knobs
  vxlan: Checksum fixes
  net: add skb_pop_rcv_encapsulation
  udp: call __skb_checksum_complete when doing full checksum
  net: Fix save software checksum complete
  net: Fix GSO constants to match NETIF flags
  udp: ipv4: do not waste time in __udp4_lib_mcast_demux_lookup
  vxlan: use dev->needed_headroom instead of dev->hard_header_len
  MAINTAINERS: update cxgb4 maintainer
2014-06-15 16:37:03 -10:00