Use "/*" for non-kernel-doc comments instead of "/**", which is
intended to be used only for kernel-doc notation.
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/88821011-2128-a8dd-68b8-c5ae8f43271f@infradead.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Now that Thunderbolt public specification is called USB4 and is coming
from USB IF it makes sense to use linux-usb as mailing list for patches
touching this driver.
Suggested-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Link: https://lore.kernel.org/r/20200108125317.36444-3-mika.westerberg@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The code tried to check whether xhci variable has ROUTER_CS_6_HCI bit
set but since xhci type is bool and it already holds true or false based
on that very bit, fix the check to use the variable directly.
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Fixes: b04079837b ("thunderbolt: Add initial support for USB4")
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Link: https://lore.kernel.org/r/20200108125317.36444-2-mika.westerberg@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Driver name is no longer printed out so update the README
examples to avoid confusion.
Signed-off-by: Magnus Damm <damm+renesas@opensource.se>
Acked-by: Shuah Khan <skhan@linuxfoundation.org>
Link: https://lore.kernel.org/r/157677692518.684.15385402529285904844.sendpatchset@octo
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Some of the phy drivers can be compile tested to increase build
coverage.
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/20200103164710.4829-2-krzk@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The USB_OCTEON_EHCI is deprecated and only selects proper driver so
there is no need to compile test it. Since it selects
USB_EHCI_BIG_ENDIAN_MMIO it causes compilation failures on certain big
endian architectures (e.g. m68k):
In file included from drivers/usb/host/ehci-mxc.c:19:0:
drivers/usb/host/ehci.h: In function ‘ehci_readl’:
drivers/usb/host/ehci.h:743:3: error:
implicit declaration of function ‘readl_be’ [-Werror=implicit-function-declaration]
Reported-by: kbuild test robot <lkp@intel.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/1577778392-570-1-git-send-email-krzk@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This converts the USB3503 to pick GPIO descriptors from the
device tree instead of iteratively picking out GPIO number
references and then referencing these from the global GPIO
numberspace.
The USB3503 is only used from device tree among the in-tree
platforms. If board files would still desire to use it they can
provide machine descriptor tables.
Make sure to preserve semantics such as the reset delay
introduced by Stefan.
Cc: Chunfeng Yun <chunfeng.yun@mediatek.com>
Cc: Marek Szyprowski <m.szyprowski@samsung.com>
Cc: Stefan Agner <stefan@agner.ch>
Cc: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
[mszyprow: invert the logic behind reset GPIO line]
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Link: https://lore.kernel.org/r/20191211145226.25074-1-m.szyprowski@samsung.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Current USB3503 driver ignores GPIO polarity and always operates as if the
GPIO lines were flagged as ACTIVE_HIGH. Fix the polarity for the existing
USB3503 chip applications to match the chip specification and common
convention for naming the pins. The only pin, which has to be ACTIVE_LOW
is the reset pin. The remaining are ACTIVE_HIGH. This change allows later
to fix the USB3503 driver to properly use generic GPIO bindings and read
polarity from DT.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20191211145208.24976-1-m.szyprowski@samsung.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The Renesas USBHS driver includes a bit of surplus headers
and uses the old GPIO API so let's switch it to use the
GPIO descriptor.
I noticed that the enable_gpio inside renesas_usbhs_driver_param
isn't really referenced anywhere, and it is also the wrong
type (u32) so let's just delete it and use a local variable
instead.
Cc: Eugeniu Rosca <erosca@de.adit-jv.com>
Cc: Veeraiyan Chidambaram <veeraiyan.chidambaram@in.bosch.com>
Cc: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20191217141241.57639-1-linus.walleij@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Some of the USB phy drivers can be compile tested to increase build
coverage.
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/20191230172215.17370-2-krzk@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Some of the USB host drivers can be compile tested to increase build
coverage. Add 'if' conditional to 'default y' so they will not get
enabled by default on all other architectures.
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/20191230172215.17370-1-krzk@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
CCGx controller used on NVIDIA GPU card has two separate display
altmode for two DP pin assignments. UCSI specification doesn't
prohibits using separate display altmode.
Current UCSI Type-C framework expects only one display altmode for
all DP pin assignment. This patch squashes two separate display
altmode into single altmode to support controllers with separate
display altmode. We first read all the alternate modes of connector
and then run through it to know if there are separate display
altmodes. If so, it prepares a new port altmode set after squashing
two or more separate altmodes into one.
Signed-off-by: Ajay Gupta <ajayg@nvidia.com>
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20191230133431.63445-3-heikki.krogerus@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The driver needs to ignore any Connector Change Events
before the Connector Change Indication notifications have
actually been enabled. This adds a check to
ucsi_connector_change() function to make sure the function
does not try to process the event unless the Connector
Change notifications have been enabled.
It is quite common that the firmware representing the "PPM"
(Platform Policy Manager) starts generating Connector Change
notifications even when only the Command Completion
notifications are enabled.
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20191230133431.63445-2-heikki.krogerus@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The mtk-xhci platform glue sets the DMA mask to 32 bits on its own,
which was needed before commit fda182d80a ("usb: xhci: configure
32-bit DMA if the controller does not support 64-bit DMA"), but now it
has no effect, because xhci_gen_setup() sets it up for us according to
hardware capabilities. Remove the useless code.
Signed-off-by: Tomasz Figa <tfiga@chromium.org>
Link: https://lore.kernel.org/r/20191219093954.163417-1-tfiga@chromium.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
AB8505 supports an "UART carkit mode" which makes UART accessible
through the USB connector. Upon detection of the UART cable,
this mode has to be manually enabled by:
1. Turning on the PHY in peripheral mode
2. Reconfiguring PHY/pins to route UART signals to USB pins
At the moment, we do not handle the UART link statuses at all,
which means that UART stops working as soon as phy-ab8500-usb is loaded
(since we disable the PHY after initialization).
Keeping UART working if the cable is inserted before turning on the device
is quite simple: In this case, early boot firmware has already set up
the necessary PHY/pin configuration. The presence of the UART cable
is reported by a special value in the USB link status register.
We can check for that value in ab8505_usb_link_status_update()
and set the PHY back to peripheral mode to restore UART.
(Note: This will result in some minor garbage since we still
temporarily disable the PHY during initialization...)
Fully implementing this feature is more complicated:
For some reason, AB8505 does not update UART link status after bootup.
Regular USB cables work fine, but the link status register does not change
its state if an UART cable is inserted/removed.
It seems likely that the hardware is not actually capable of detecting
UART cables autonomously. In addition to the USB link status register,
implementations in the vendor kernel also manually measure
the ID resistance to detect additional cable types. For UART cables,
the USB link status register might simply reflect the PHY configuration
instead of the actual link status.
Implementing that functionality requires significant additions,
so for now just implement the simple case. This allows using UART
when inserting the cable before turning on the device.
Signed-off-by: Stephan Gerhold <stephan@gerhold.net>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20191218203450.71037-1-stephan@gerhold.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Some special dance is needed to initialize the HSIC port.
Signed-off-by: Lubomir Rintel <lkundrak@v3.sk>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Link: https://lore.kernel.org/r/20191221065008.266445-2-lkundrak@v3.sk
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This is merely a cleanup. None of these is used anywhere.
Signed-off-by: Lubomir Rintel <lkundrak@v3.sk>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Link: https://lore.kernel.org/r/20191221065008.266445-4-lkundrak@v3.sk
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
We may be using a NOP transceiver and those are treated specially by the
USB core and return -ENODEV with devm_phy_get().
Signed-off-by: Lubomir Rintel <lkundrak@v3.sk>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Link: https://lore.kernel.org/r/20191221065008.266445-3-lkundrak@v3.sk
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Pull vfs fixes from Al Viro:
"Eric's s_inodes softlockup fixes + Jan's fix for recent regression
from pipe rework"
* 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
fs: call fsnotify_sb_delete after evict_inodes
fs: avoid softlockups in s_inodes iterators
pipe: Fix bogus dereference in iov_iter_alignment()
- Minor documentation fixes
- Fix a file corruption due to read racing with an insert range
operation.
- Fix log reservation overflows when allocating large rt extents
- Fix a buffer log item flags check
- Don't allow administrators to mount with sunit= options that will
cause later xfs_repair complaints about the root directory being
suspicious because the fs geometry appeared inconsistent
- Fix a non-static helper that should have been static
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Merge tag 'xfs-5.5-fixes-2' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux
Pull xfs fixes from Darrick Wong:
"Fix a few bugs that could lead to corrupt files, fsck complaints, and
filesystem crashes:
- Minor documentation fixes
- Fix a file corruption due to read racing with an insert range
operation.
- Fix log reservation overflows when allocating large rt extents
- Fix a buffer log item flags check
- Don't allow administrators to mount with sunit= options that will
cause later xfs_repair complaints about the root directory being
suspicious because the fs geometry appeared inconsistent
- Fix a non-static helper that should have been static"
* tag 'xfs-5.5-fixes-2' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
xfs: Make the symbol 'xfs_rtalloc_log_count' static
xfs: don't commit sunit/swidth updates to disk if that would cause repair failures
xfs: split the sunit parameter update into two parts
xfs: refactor agfl length computation function
libxfs: resync with the userspace libxfs
xfs: use bitops interface for buf log item AIL flag check
xfs: fix log reservation overflows when allocating large rt extents
xfs: stabilize insert range start boundary to avoid COW writeback race
xfs: fix Sphinx documentation warning
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Merge tag 'ext4_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
Pull ext4 bug fixes from Ted Ts'o:
"Ext4 bug fixes, including a regression fix"
* tag 'ext4_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4:
ext4: clarify impact of 'commit' mount option
ext4: fix unused-but-set-variable warning in ext4_add_entry()
jbd2: fix kernel-doc notation warning
ext4: use RCU API in debug_print_tree
ext4: validate the debug_want_extra_isize mount option at parse time
ext4: reserve revoke credits in __ext4_new_inode
ext4: unlock on error in ext4_expand_extra_isize()
ext4: optimize __ext4_check_dir_entry()
ext4: check for directory entries too close to block end
ext4: fix ext4_empty_dir() for directories with holes
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Merge tag 'block-5.5-20191221' of git://git.kernel.dk/linux-block
Pull block fixes from Jens Axboe:
"Let's try this one again, this time without the compat_ioctl changes.
We've got those fixed up, but that can go out next week.
This contains:
- block queue flush lockdep annotation (Bart)
- Type fix for bsg_queue_rq() (Bart)
- Three dasd fixes (Stefan, Jan)
- nbd deadlock fix (Mike)
- Error handling bio user map fix (Yang)
- iocost fix (Tejun)
- sbitmap waitqueue addition fix that affects the kyber IO scheduler
(David)"
* tag 'block-5.5-20191221' of git://git.kernel.dk/linux-block:
sbitmap: only queue kyber's wait callback if not already active
block: fix memleak when __blk_rq_map_user_iov() is failed
s390/dasd: fix typo in copyright statement
s390/dasd: fix memleak in path handling error case
s390/dasd/cio: Interpret ccw_device_get_mdc return value correctly
block: Fix a lockdep complaint triggered by request queue flushing
block: Fix the type of 'sts' in bsg_queue_rq()
block: end bio with BLK_STS_AGAIN in case of non-mq devs and REQ_NOWAIT
nbd: fix shutdown and recv work deadlock v2
iocost: over-budget forced IOs should schedule async delay
* Fix a bug where we try to do an ultracall on a system without an ultravisor.
KVM:
- Fix uninitialised sysreg accessor
- Fix handling of demand-paged device mappings
- Stop spamming the console on IMPDEF sysregs
- Relax mappings of writable memslots
- Assorted cleanups
MIPS:
- Now orphan, James Hogan is stepping down
x86:
- MAINTAINERS change, so long Radim and thanks for all the fish
- supported CPUID fixes for AMD machines without SPEC_CTRL
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull KVM fixes from Paolo Bonzini:
"PPC:
- Fix a bug where we try to do an ultracall on a system without an
ultravisor
KVM:
- Fix uninitialised sysreg accessor
- Fix handling of demand-paged device mappings
- Stop spamming the console on IMPDEF sysregs
- Relax mappings of writable memslots
- Assorted cleanups
MIPS:
- Now orphan, James Hogan is stepping down
x86:
- MAINTAINERS change, so long Radim and thanks for all the fish
- supported CPUID fixes for AMD machines without SPEC_CTRL"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
MAINTAINERS: remove Radim from KVM maintainers
MAINTAINERS: Orphan KVM for MIPS
kvm: x86: Host feature SSBD doesn't imply guest feature AMD_SSBD
kvm: x86: Host feature SSBD doesn't imply guest feature SPEC_CTRL_SSBD
KVM: PPC: Book3S HV: Don't do ultravisor calls on systems without ultravisor
KVM: arm/arm64: Properly handle faulting of device mappings
KVM: arm64: Ensure 'params' is initialised when looking up sys register
KVM: arm/arm64: Remove excessive permission check in kvm_arch_prepare_memory_region
KVM: arm64: Don't log IMP DEF sysreg traps
KVM: arm64: Sanely ratelimit sysreg messages
KVM: arm/arm64: vgic: Use wrapper function to lock/unlock all vcpus in kvm_vgic_create()
KVM: arm/arm64: vgic: Fix potential double free dist->spis in __kvm_vgic_destroy()
KVM: arm/arm64: Get rid of unused arg in cpu_init_hyp_mode()
Several fixes, and one cleanup, for RISC-V.
Fixes:
- Fix an error in a Kconfig file that resulted in an undefined Kconfig
option "CONFIG_CONFIG_MMU"
- Fix undefined Kconfig option "CONFIG_CONFIG_MMU"
- Fix scratch register clearing in M-mode (affects nommu users)
- Fix a mismerge on my part that broke the build for
CONFIG_SPARSEMEM_VMEMMAP users
Cleanups:
- Move SiFive L2 cache-related code to drivers/soc, per request
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Merge tag 'riscv/for-v5.5-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V fixes from Paul Walmsley:
"Several fixes, and one cleanup, for RISC-V.
Fixes:
- Fix an error in a Kconfig file that resulted in an undefined
Kconfig option "CONFIG_CONFIG_MMU"
- Fix undefined Kconfig option "CONFIG_CONFIG_MMU"
- Fix scratch register clearing in M-mode (affects nommu users)
- Fix a mismerge on my part that broke the build for
CONFIG_SPARSEMEM_VMEMMAP users
Cleanup:
- Move SiFive L2 cache-related code to drivers/soc, per request"
* tag 'riscv/for-v5.5-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
riscv: move sifive_l2_cache.c to drivers/soc
riscv: define vmemmap before pfn_to_page calls
riscv: fix scratch register clearing in M-mode.
riscv: Fix use of undefined config option CONFIG_CONFIG_MMU
Pull networking fixes from David Miller:
1) Several nf_flow_table_offload fixes from Pablo Neira Ayuso,
including adding a missing ipv6 match description.
2) Several heap overflow fixes in mwifiex from qize wang and Ganapathi
Bhat.
3) Fix uninit value in bond_neigh_init(), from Eric Dumazet.
4) Fix non-ACPI probing of nxp-nci, from Stephan Gerhold.
5) Fix use after free in tipc_disc_rcv(), from Tuong Lien.
6) Enforce limit of 33 tail calls in mips and riscv JIT, from Paul
Chaignon.
7) Multicast MAC limit test is off by one in qede, from Manish Chopra.
8) Fix established socket lookup race when socket goes from
TCP_ESTABLISHED to TCP_LISTEN, because there lacks an intervening
RCU grace period. From Eric Dumazet.
9) Don't send empty SKBs from tcp_write_xmit(), also from Eric Dumazet.
10) Fix active backup transition after link failure in bonding, from
Mahesh Bandewar.
11) Avoid zero sized hash table in gtp driver, from Taehee Yoo.
12) Fix wrong interface passed to ->mac_link_up(), from Russell King.
13) Fix DSA egress flooding settings in b53, from Florian Fainelli.
14) Memory leak in gmac_setup_txqs(), from Navid Emamdoost.
15) Fix double free in dpaa2-ptp code, from Ioana Ciornei.
16) Reject invalid MTU values in stmmac, from Jose Abreu.
17) Fix refcount leak in error path of u32 classifier, from Davide
Caratti.
18) Fix regression causing iwlwifi firmware crashes on boot, from Anders
Kaseorg.
19) Fix inverted return value logic in llc2 code, from Chan Shu Tak.
20) Disable hardware GRO when XDP is attached to qede, frm Manish
Chopra.
21) Since we encode state in the low pointer bits, dst metrics must be
at least 4 byte aligned, which is not necessarily true on m68k. Add
annotations to fix this, from Geert Uytterhoeven.
* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (160 commits)
sfc: Include XDP packet headroom in buffer step size.
sfc: fix channel allocation with brute force
net: dst: Force 4-byte alignment of dst_metrics
selftests: pmtu: fix init mtu value in description
hv_netvsc: Fix unwanted rx_table reset
net: phy: ensure that phy IDs are correctly typed
mod_devicetable: fix PHY module format
qede: Disable hardware gro when xdp prog is installed
net: ena: fix issues in setting interrupt moderation params in ethtool
net: ena: fix default tx interrupt moderation interval
net/smc: unregister ib devices in reboot_event
net: stmmac: platform: Fix MDIO init for platforms without PHY
llc2: Fix return statement of llc_stat_ev_rx_null_dsap_xid_c (and _test_c)
net: hisilicon: Fix a BUG trigered by wrong bytes_compl
net: dsa: ksz: use common define for tag len
s390/qeth: don't return -ENOTSUPP to userspace
s390/qeth: fix promiscuous mode after reset
s390/qeth: handle error due to unsupported transport mode
cxgb4: fix refcount init for TC-MQPRIO offload
tc-testing: initial tdc selftests for cls_u32
...
LTP pipeio_1 test is hanging with v5.5-rc2-385-gb8e382a185eb,
with read side observing empty pipe and sleeping and write
side running out of space and then sleeping as well. In this
scenario there are 5 writers and 1 reader.
Problem is that after pipe_write() reacquires pipe lock, it
re-checks for empty pipe with potentially stale 'head' and
doesn't wake up read side anymore. pipe->tail can advance
beyond 'head', because there are multiple writers.
Use pipe->head for empty pipe check after reacquiring lock
to observe current state.
Testing: With patch, LTP pipeio_1 ran successfully in loop for 1 hour.
Without patch it hanged within a minute.
Fixes: 1b6b26ae70 ("pipe: fix and clarify pipe write wakeup logic")
Reported-by: Rachel Sibley <rasibley@redhat.com>
Signed-off-by: Jan Stancek <jstancek@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
- Fix a bug where we try to do an ultracall on a system without an
ultravisor.
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Merge tag 'kvm-ppc-fixes-5.5-1' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc into kvm-master
PPC KVM fix for 5.5
- Fix a bug where we try to do an ultracall on a system without an
ultravisor.
Radim's kernel.org email is bouncing, which I take as a signal that
he is not really able to deal with KVM at this time. Make MAINTAINERS
match the effective value of KVM's bus factor.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
I haven't been active for 18 months, and don't have the hardware set up
to test KVM for MIPS, so mark it as orphaned and remove myself as
maintainer. Hopefully somebody from MIPS can pick this up.
Signed-off-by: James Hogan <jhogan@kernel.org>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: "Radim Krčmář" <rkrcmar@redhat.com>
Cc: Paul Burton <paulburton@kernel.org>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: kvm@vger.kernel.org
Cc: linux-mips@vger.kernel.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
The description of 'commit' mount option dates back to ext3 times.
Update the description to match current meaning for ext4.
Reported-by: Paul Richards <paul.richards@gmail.com>
Signed-off-by: Jan Kara <jack@suse.cz>
Link: https://lore.kernel.org/r/20191218111210.14161-1-jack@suse.cz
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Warning is found when compile with "-Wunused-but-set-variable":
fs/ext4/namei.c: In function ‘ext4_add_entry’:
fs/ext4/namei.c:2167:23: warning: variable ‘sbi’ set but not used
[-Wunused-but-set-variable]
struct ext4_sb_info *sbi;
^~~
Fix this by moving the variable @sbi under CONFIG_UNICODE.
Signed-off-by: Yunfeng Ye <yeyunfeng@huawei.com>
Reviewed-by: Ritesh Harjani <riteshh@linux.ibm.com>
Link: https://lore.kernel.org/r/cb5eb904-224a-9701-c38f-cb23514b1fff@huawei.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
- Fix memory leak on error path of process_system_preds()
- Lock inversion fix with updating tgid recording option
- Fix histogram compare function on big endian machines
- Fix histogram trigger function on big endian machines
- Make trace_printk() irq sync on init for kprobe selftest correctness
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Merge tag 'trace-v5.5-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
Pull tracing fixes from Steven Rostedt:
- Fix memory leak on error path of process_system_preds()
- Lock inversion fix with updating tgid recording option
- Fix histogram compare function on big endian machines
- Fix histogram trigger function on big endian machines
- Make trace_printk() irq sync on init for kprobe selftest correctness
* tag 'trace-v5.5-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
tracing: Fix endianness bug in histogram trigger
samples/trace_printk: Wait for IRQ work to finish
tracing: Fix lock inversion in trace_event_enable_tgid_record()
tracing: Have the histogram compare functions convert to u64 first
tracing: Avoid memory leak in process_system_preds()
- Restore the operation of the libnvdimm unit tests after the removal of
ioremap_nocache().
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Merge tag 'libnvdimm-fix-5.5-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm
Pull libnvdimm fix from Dan Williams:
"A minor regression fix.
The libnvdimm unit tests were expecting to mock calls to
ioremap_nocache() which disappeared in v5.5-rc1. This fix has appeared
in -next and collided with some cleanups that Christoph has planned
for v5.6, but he will fix up his branch once this goes in.
Summary:
- Restore the operation of the libnvdimm unit tests after the removal
of ioremap_nocache()"
* tag 'libnvdimm-fix-5.5-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
tools/testing/nvdimm: Fix mock support for ioremap
At least on PA-RISC and s390 synthetic histogram triggers are failing
selftests because trace_event_raw_event_synth() always writes a 64 bit
values, but the reader expects a field->size sized value. On little endian
machines this doesn't hurt, but on big endian this makes the reader always
read zero values.
Link: http://lore.kernel.org/linux-trace-devel/20191218074427.96184-4-svens@linux.ibm.com
Cc: stable@vger.kernel.org
Fixes: 4b147936fa ("tracing: Add support for 'synthetic' events")
Acked-by: Tom Zanussi <tom.zanussi@linux.intel.com>
Signed-off-by: Sven Schnelle <svens@linux.ibm.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
trace_printk schedules work via irq_work_queue(), but doesn't
wait until it was processed. The kprobe_module.tc testcase does:
:;: "Load module again, which means the event1 should be recorded";:
modprobe trace-printk
grep "event1:" trace
so the grep which checks the trace file might run before the irq work
was processed. Fix this by adding a irq_work_sync().
Link: http://lore.kernel.org/linux-trace-devel/20191218074427.96184-3-svens@linux.ibm.com
Cc: stable@vger.kernel.org
Fixes: af2a0750f3 ("selftests/ftrace: Improve kprobe on module testcase to load/unload module")
Signed-off-by: Sven Schnelle <svens@linux.ibm.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Task T2 Task T3
trace_options_core_write() subsystem_open()
mutex_lock(trace_types_lock) mutex_lock(event_mutex)
set_tracer_flag()
trace_event_enable_tgid_record() mutex_lock(trace_types_lock)
mutex_lock(event_mutex)
This gives a circular dependency deadlock between trace_types_lock and
event_mutex. To fix this invert the usage of trace_types_lock and
event_mutex in trace_options_core_write(). This keeps the sequence of
lock usage consistent.
Link: http://lkml.kernel.org/r/0101016eef175e38-8ca71caf-a4eb-480d-a1e6-6f0bbc015495-000000@us-west-2.amazonses.com
Cc: stable@vger.kernel.org
Fixes: d914ba37d7 ("tracing: Add support for recording tgid of tasks")
Signed-off-by: Prateek Sood <prsood@codeaurora.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
- Fix unwinding from irq context of interrupted user process.
- Add purgatory build missing symbols check. That helped to uncover and
fix missing symbols when built with kasan support enabled.
- Couple of ftrace fixes. Avoid broken stack trace and fix recursion
loop in function_graph tracer.
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Merge tag 's390-5.5-4' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 fixes from Vasily Gorbik:
- Fix unwinding from irq context of interrupted user process.
- Add purgatory build missing symbols check. That helped to uncover and
fix missing symbols when built with kasan support enabled.
- Couple of ftrace fixes. Avoid broken stack trace and fix recursion
loop in function_graph tracer.
* tag 's390-5.5-4' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/ftrace: save traced function caller
s390/unwind: stop gracefully at user mode pt_regs in irq stack
s390/purgatory: do not build purgatory with kcov, kasan and friends
s390/purgatory: Make sure we fail the build if purgatory has missing symbols
s390/ftrace: fix endless recursion in function_graph tracer
Pull scheduler fixes from Ingo Molnar:
"Misc fixes: a (rare) PSI crash fix, a CPU affinity related balancing
fix, and a toning down of active migration attempts"
* 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched/cfs: fix spurious active migration
sched/fair: Fix find_idlest_group() to handle CPU affinity
psi: Fix a division error in psi poll()
sched/psi: Fix sampling error and rare div0 crashes with cgroups and high uptime
Pull perf fixes from Ingo Molnar:
"Misc fixes: a BTS fix, a PT NMI handling fix, a PMU sysfs fix and an
SRCU annotation"
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf/core: Add SRCU annotation for pmus list walk
perf/x86/intel: Fix PT PMI handling
perf/x86/intel/bts: Fix the use of page_private()
perf/x86: Fix potential out-of-bounds access
- fix warning in out-of-tree 'make clean'
- add READELF variable to the top Makefile
- fix broken builds when LINUX_COMPILE_BY contains a backslash
- fix build warning in kallsyms
- fix NULL pointer access in expr_eq() in Kconfig
- fix missing dependency on rsync in deb-pkg build
- remove ---help--- from documentation
- fix misleading documentation about directory descending
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Merge tag 'kbuild-fixes-v5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild fixes from Masahiro Yamada:
- fix warning in out-of-tree 'make clean'
- add READELF variable to the top Makefile
- fix broken builds when LINUX_COMPILE_BY contains a backslash
- fix build warning in kallsyms
- fix NULL pointer access in expr_eq() in Kconfig
- fix missing dependency on rsync in deb-pkg build
- remove ---help--- from documentation
- fix misleading documentation about directory descending
* tag 'kbuild-fixes-v5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
kbuild: clarify the difference between obj-y and obj-m w.r.t. descending
kconfig: remove ---help--- from documentation
scripts: package: mkdebian: add missing rsync dependency
kconfig: don't crash on NULL expressions in expr_eq()
scripts/kallsyms: fix offset overflow of kallsyms_relative_base
mkcompile_h: use printf for LINUX_COMPILE_BY
mkcompile_h: git rid of UTS_TRUNCATE from LINUX_COMPILE_{BY,HOST}
x86/boot: kbuild: allow readelf executable to be specified
kbuild: fix 'No such file or directory' warning when cleaning
Kbuild descends into a directory by either 'y' or 'm', but there is an
important difference.
Kbuild combines the built-in objects into built-in.a in each directory.
The built-in.a in the directory visited by obj-y is merged into the
built-in.a in the parent directory. This merge happens recursively
when Kbuild is ascending back towards the top directory, then built-in
objects are linked into vmlinux eventually. This works properly only
when the Makefile specifying obj-y is reachable by the chain of obj-y.
On the other hand, Kbuild does not take built-in.a from the directory
visited by obj-m. This it, all the objects in that directory are
supposed to be modular. If Kbuild descends into a directory by obj-m,
but the Makefile in the sub-directory specifies obj-y, those objects
are just left orphan.
The current statement "Kbuild only uses this information to decide that
it needs to visit the directory" is misleading. Clarify the difference.
Reported-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Johan Hovold <johan@kernel.org>
Pul parisc fixes from Helge Deller:
"Two build error fixes, one for the soft_offline_page() parameter
change and one for a specific KEXEC/KEXEC_FILE configuration, as well
as a compiler and a linker warning fix"
* 'parisc-5.5-2' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
parisc: Fix compiler warnings in debug_core.c
parisc: soft_offline_page() now takes the pfn
parisc: add missing __init annotation
parisc: fix compilation when KEXEC=n and KEXEC_FILE=y
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Merge tag 'for-linus-5.5b-rc3-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen fixes from Juergen Gross:
"This contains two cleanup patches and a small series for supporting
reloading the Xen block backend driver"
* tag 'for-linus-5.5b-rc3-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
xen/grant-table: remove multiple BUG_ON on gnttab_interface
xen-blkback: support dynamic unbind/bind
xen/interface: re-define FRONT/BACK_RING_ATTACH()
xenbus: limit when state is forced to closed
xenbus: move xenbus_dev_shutdown() into frontend code...
xen/blkfront: Adjust indentation in xlvbd_alloc_gendisk
Two weeks worth of accumulated fixes.
A fix for a performance regression seen on PowerVM LPARs using dedicated CPUs,
caused by our vcpu_is_preempted() returning true even for idle CPUs.
One of the ultravisor support patches broke KVM on big endian hosts in v5.4.
Our KUAP (Kernel User Access Prevention) code missed allowing access in
__clear_user(), which could lead to an oops or erroneous SEGV when triggered via
PTRACE_GETREGSET.
Two fixes for the ocxl driver, an open/remove race, and a memory leak in an
error path.
A handful of other small fixes.
Thanks to:
Andrew Donnellan, Christian Zigotzky, Christophe Leroy, Christoph Hellwig,
Daniel Axtens, David Hildenbrand, Frederic Barrat, Gautham R. Shenoy, Greg
Kurz, Ihor Pasichnyk, Juri Lelli, Marcus Comstedt, Mike Rapoport, Parth Shah,
Srikar Dronamraju, Vaidyanathan Srinivasan.
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Merge tag 'powerpc-5.5-4' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fixes from Michael Ellerman:
"Two weeks worth of accumulated fixes:
- A fix for a performance regression seen on PowerVM LPARs using
dedicated CPUs, caused by our vcpu_is_preempted() returning true
even for idle CPUs.
- One of the ultravisor support patches broke KVM on big endian hosts
in v5.4.
- Our KUAP (Kernel User Access Prevention) code missed allowing
access in __clear_user(), which could lead to an oops or erroneous
SEGV when triggered via PTRACE_GETREGSET.
- Two fixes for the ocxl driver, an open/remove race, and a memory
leak in an error path.
- A handful of other small fixes.
Thanks to: Andrew Donnellan, Christian Zigotzky, Christophe Leroy,
Christoph Hellwig, Daniel Axtens, David Hildenbrand, Frederic Barrat,
Gautham R. Shenoy, Greg Kurz, Ihor Pasichnyk, Juri Lelli, Marcus
Comstedt, Mike Rapoport, Parth Shah, Srikar Dronamraju, Vaidyanathan
Srinivasan"
* tag 'powerpc-5.5-4' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
KVM: PPC: Book3S HV: Fix regression on big endian hosts
powerpc: Fix __clear_user() with KUAP enabled
powerpc/pseries/cmm: fix managed page counts when migrating pages between zones
powerpc/8xx: fix bogus __init on mmu_mapin_ram_chunk()
ocxl: Fix potential memory leak on context creation
powerpc/irq: fix stack overflow verification
powerpc: Ensure that swiotlb buffer is allocated from low memory
powerpc/shared: Use static key to detect shared processor
powerpc/vcpu: Assume dedicated processors as non-preempt
ocxl: Fix concurrent AFU open and device removal
Pull x86 RAS fixes from Borislav Petkov:
"Three urgent RAS fixes for the AMD side of things:
- initialize struct mce.bank so that calculated error severity on AMD
SMCA machines is correct
- do not send IPIs early during bank initialization, when interrupts
are disabled
- a fix for when only a subset of MCA banks are enabled, which led to
boot hangs on some new AMD CPUs"
* 'ras-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/mce: Fix possibly incorrect severity calculation on AMD
x86/MCE/AMD: Allow Reserved types to be overwritten in smca_banks[]
x86/MCE/AMD: Do not use rdmsr_safe_on_cpu() in smca_configure()
parents when clk providers register the DT provider after registering
all their clks (as they should). Then a handful of driver fixes for the
qcom, imx, and at91 drivers. The driver fixes are relatively small fixes
for incorrect register settings or missing locks causing race
conditions.
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Merge tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull clk fixes from Stephen Boyd:
"One core framework fix to walk the orphan list and match up clks to
parents when clk providers register the DT provider after registering
all their clks (as they should).
Then a handful of driver fixes for the qcom, imx, and at91 drivers.
The driver fixes are relatively small fixes for incorrect register
settings or missing locks causing race conditions"
* tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
clk: qcom: Avoid SMMU/cx gdsc corner cases
clk: qcom: gcc-sc7180: Fix setting flag for votable GDSCs
clk: Move clk_core_reparent_orphans() under CONFIG_OF
clk: at91: fix possible deadlock
clk: walk orphan list on clock provider registration
clk: imx: pll14xx: fix clk_pll14xx_wait_lock
clk: imx: clk-imx7ulp: Add missing sentinel of ulp_div_table
clk: imx: clk-composite-8m: add lock to gate/mux
Edward Cree says:
====================
sfc: fix bugs introduced by XDP patches
Two fixes for bugs introduced by the XDP support in the sfc driver.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Randy Dunlap
Mika Westerberg
Magnus Damm
Krzysztof Kozlowski
Linus Walleij
Marek Szyprowski
Ajay Gupta
Heikki Krogerus
Tomasz Figa
Stephan Gerhold
Xu Wang
Lubomir Rintel
Greg Kroah-Hartman
Linus Torvalds
Jan Stancek
Paolo Bonzini
James Hogan
Jan Kara
Yunfeng Ye
Sven Schnelle
Prateek Sood
Masahiro Yamada
David S. Miller