We need to take the tx_lock so we don't interleave our disconnect
request between real data going down the wire.
Signed-off-by: Josef Bacik <jbacik@fb.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
There's no reason to limit ourselves to one disconnect message per
socket. Sometimes networks do strange things, might as well let
sysadmins hit the panic button as much as they want.
Signed-off-by: Josef Bacik <jbacik@fb.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Here are some small tty and serial driver fixes for 4.13-rc2. Nothing
huge at all, a revert of a patch that turned out to break things, a fix
up for a new tty ioctl we added in 4.13-rc1 to get the uapi definition
correct, and a few minor serial driver fixes for reported issues.
All of these have been in linux-next for a while with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-4.13-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial fixes from Greg KH:
"Here are some small tty and serial driver fixes for 4.13-rc2. Nothing
huge at all, a revert of a patch that turned out to break things, a
fix up for a new tty ioctl we added in 4.13-rc1 to get the uapi
definition correct, and a few minor serial driver fixes for reported
issues.
All of these have been in linux-next for a while with no reported
issues"
* tag 'tty-4.13-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
tty: Fix TIOCGPTPEER ioctl definition
tty: hide unused pty_get_peer function
tty: serial: lpuart: Fix the logic for detecting the 32-bit type UART
serial: imx: Prevent TX buffer PIO write when a DMA has been started
Revert "serial: imx-serial - move DMA buffer configuration to DT"
serial: sh-sci: Uninitialized variables in sysfs files
serial: st-asc: Potential error pointer dereference
Here are some small char and misc driver fixes for 4.13-rc2. All fix
reported problems with 4.13-rc1 or older kernels (like the binder
fixes). Full details in the shortlog.
All have been in linux-next with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-4.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver fixes from Greg KH:
"Here are some small char and misc driver fixes for 4.13-rc2. All fix
reported problems with 4.13-rc1 or older kernels (like the binder
fixes). Full details in the shortlog.
All have been in linux-next with no reported issues"
* tag 'char-misc-4.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
w1: omap-hdq: fix error return code in omap_hdq_probe()
regmap: regmap-w1: Fix build troubles
w1: Fix slave count on 1-Wire bus (resend)
mux: mux-core: unregister mux_class in mux_exit()
mux: remove the Kconfig question for the subsystem
nvmem: rockchip-efuse: amend compatible rk322x-efuse to rk3228-efuse
drivers/fsi: fix fsi_slave_mode prototype
fsi: core: register with postcore_initcall
thunderbolt: Correct access permissions for active NVM contents
vmbus: re-enable channel tasklet
spmi: pmic-arb: Always allocate ppid_to_apid table
MAINTAINERS: Add entry for SPMI subsystem
spmi: Include OF based modalias in device uevent
binder: Use wake up hint for synchronous transactions.
binder: use group leader instead of open thread
Revert "android: binder: Sanity check at binder ioctl"
Here are some small USB fixes for 4.13-rc2.
The usual batch, gadget fixes for reported issues, as well as xhci
fixes, and a small random collection of other fixes for reported issues.
All have been in linux-next with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-4.13-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH:
"Here are some small USB fixes for 4.13-rc2.
The usual batch, gadget fixes for reported issues, as well as xhci
fixes, and a small random collection of other fixes for reported
issues.
All have been in linux-next with no reported issues"
* tag 'usb-4.13-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (25 commits)
xhci: fix memleak in xhci_run()
usb: xhci: fix spinlock recursion for USB2 test mode
xhci: fix 20000ms port resume timeout
usb: xhci: Issue stop EP command only when the EP state is running
xhci: Bad Ethernet performance plugged in ASM1042A host
xhci: Fix NULL pointer dereference when cleaning up streams for removed host
usb: renesas_usbhs: gadget: disable all eps when the driver stops
usb: renesas_usbhs: fix usbhsc_resume() for !USBHSF_RUNTIME_PWCTRL
usb: gadget: udc: renesas_usb3: protect usb3_ep->started in usb3_start_pipen()
usb: gadget: udc: renesas_usb3: fix zlp transfer by the dmac
usb: gadget: udc: renesas_usb3: fix free size in renesas_usb3_dma_free_prd()
usb: gadget: f_uac2: endianness fixes.
usb: gadget: f_uac1: endianness fixes.
include: usb: audio: specify exact endiannes of descriptors
usb: gadget: udc: start_udc() can be static
usb: dwc2: gadget: On USB RESET reset device address to zero
usb: storage: return on error to avoid a null pointer dereference
usb: typec: include linux/device.h in ucsi.h
USB: cdc-acm: add device-id for quirky printer
usb: dwc3: gadget: only unmap requests from DMA if mapped
...
Here are some small staging driver fixes for reported issues for
4.13-rc2.
Also in here is a new driver, the virtualbox DRM driver. It's
stand-alone and got acks from the DRM developers to go in through this
tree. It's a new thing, but it should be fine for this point in the rc
cycle due to it being independent.
All of this has been in linux-next for a while with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-4.13-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging driver fixes from Greg KH:
"Here are some small staging driver fixes for reported issues for
4.13-rc2.
Also in here is a new driver, the virtualbox DRM driver. It's
stand-alone and got acks from the DRM developers to go in through this
tree. It's a new thing, but it should be fine for this point in the rc
cycle due to it being independent.
All of this has been in linux-next for a while with no reported
issues"
* tag 'staging-4.13-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
staging: rtl8188eu: add TL-WN722N v2 support
staging: speakup: safely register and unregister ldisc
staging: speakup: add functions to register and unregister ldisc
staging: speakup: safely close tty
staging: sm750fb: avoid conflicting vesafb
staging: lustre: ko2iblnd: check copy_from_iter/copy_to_iter return code
staging: vboxvideo: Add vboxvideo to drivers/staging
staging: sm750fb: fixed a assignment typo
staging: rtl8188eu: memory leak in rtw_free_cmd_obj()
staging: vchiq_arm: fix error codes in probe
staging: comedi: ni_mio_common: fix AO timer off-by-one regression
Fix major alphabetic errors. No attempt to fix items that all begin
with the same word (like ARM, BROADCOM, DRM, EDAC, FREESCALE, INTEL,
OMAP, PCI, SAMSUNG, TI, USB, etc.).
(diffstat +/- is different by one line because TI KEYSTONE MULTICORE
had 2 blank lines after it.)
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Acked-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Pull overlayfs fixes from Miklos Szeredi:
"This fixes a crash with SELinux and several other old and new bugs"
* 'overlayfs-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs:
ovl: check for bad and whiteout index on lookup
ovl: do not cleanup directory and whiteout index entries
ovl: fix xattr get and set with selinux
ovl: remove unneeded check for IS_ERR()
ovl: fix origin verification of index dir
ovl: mark parent impure on ovl_link()
ovl: fix random return value on mount
Pull block fixes from Jens Axboe:
"A small set of fixes for -rc2 - two fixes for BFQ, documentation and
code, and a removal of an unused variable in nbd. Outside of that, a
small collection of fixes from the usual crew on the nvme side"
* 'for-linus' of git://git.kernel.dk/linux-block:
nvmet: don't report 0-bytes in serial number
nvmet: preserve controller serial number between reboots
nvmet: Move serial number from controller to subsystem
nvmet: prefix version configfs file with attr
nvme-pci: Fix an error handling path in 'nvme_probe()'
nvme-pci: Remove nvme_setup_prps BUG_ON
nvme-pci: add another device ID with stripe quirk
nvmet-fc: fix byte swapping in nvmet_fc_ls_create_association
nvme: fix byte swapping in the streams code
nbd: kill unused ret in recv_work
bfq: dispatch request to prevent queue stalling after the request completion
bfq: fix typos in comments about B-WF2Q+ algorithm
of_irq_to_resource() has recently been fixed to return negative error #'s
along with 0, however of_irq_to_resource_table() still only regards 0 as
invalid IRQ -- fix it up.
Fixes: 7a4228bbff ("of: irq: use of_irq_get() in of_irq_to_resource()")
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: Rob Herring <robh@kernel.org>
- i40iw fixes
- bnxt_re fixes
- Dan Carpenter bugfixes across stack
- 10 more random fixes, no more than 2 from any 1 person
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma
Pull more rdma fixes from Doug Ledford:
"As per my previous pull request, there were two drivers that each had
a rather large number of legitimate fixes still to be sent.
As it turned out, I also missed a reasonably large set of fixes from
one person across the stack that are all important fixes. All in all,
the bnxt_re, i40iw, and Dan Carpenter are 3/4 to 2/3rds of this pull
request.
There were some other random fixes that I didn't send in the last pull
request that I added to this one. This catches the rdma stack up to
the fixes from up to about the beginning of this week. Any more fixes
I'll wait and batch up later in the -rc cycle. This will give us a
good base to start with for basing a for-next branch on -rc2.
Summary:
- i40iw fixes
- bnxt_re fixes
- Dan Carpenter bugfixes across stack
- ten more random fixes, no more than two from any one person"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma: (37 commits)
RDMA/core: Initialize port_num in qp_attr
RDMA/uverbs: Fix the check for port number
IB/cma: Fix reference count leak when no ipv4 addresses are set
RDMA/iser: don't send an rkey if all data is written as immadiate-data
rxe: fix broken receive queue draining
RDMA/qedr: Prevent memory overrun in verbs' user responses
iw_cxgb4: don't use WR keys/addrs for 0 byte reads
IB/mlx4: Fix CM REQ retries in paravirt mode
IB/rdmavt: Setting of QP timeout can overflow jiffies computation
IB/core: Fix sparse warnings
RDMA/bnxt_re: Fix the value reported for local ack delay
RDMA/bnxt_re: Report MISSED_EVENTS in req_notify_cq
RDMA/bnxt_re: Fix return value of poll routine
RDMA/bnxt_re: Enable atomics only if host bios supports
RDMA/bnxt_re: Specify RDMA component when allocating stats context
RDMA/bnxt_re: Fixed the max_rd_atomic support for initiator and destination QP
RDMA/bnxt_re: Report supported value to IB stack in query_device
RDMA/bnxt_re: Do not free the ctx_tbl entry if delete GID fails
RDMA/bnxt_re: Fix WQE Size posted to HW to prevent it from throwing error
RDMA/bnxt_re: Free doorbell page index (DPI) during dealloc ucontext
...
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Merge tag 'drm-fixes-for-v4.13-rc2' of git://people.freedesktop.org/~airlied/linux
Pull drm fixes from Dave Airlie:
"A bunch of fixes for rc2: two imx regressions, vc4 fix, dma-buf fix,
some displayport mst fixes, and an amdkfd fix.
Nothing too crazy, I assume we just haven't see much rc1 testing yet"
* tag 'drm-fixes-for-v4.13-rc2' of git://people.freedesktop.org/~airlied/linux:
drm/mst: Avoid processing partially received up/down message transactions
drm/mst: Avoid dereferencing a NULL mstb in drm_dp_mst_handle_up_req()
drm/mst: Fix error handling during MST sideband message reception
drm/imx: parallel-display: Accept drm_of_find_panel_or_bridge failure
drm/imx: fix typo in ipu_plane_formats[]
drm/vc4: Fix VBLANK handling in crtc->enable() path
dma-buf/fence: Avoid use of uninitialised timestamp
drm/amdgpu: Remove unused field kgd2kfd_shared_resources.num_mec
drm/radeon: Remove initialization of shared_resources.num_mec
drm/amdkfd: Remove unused references to shared_resources.num_mec
drm/amdgpu: Fix KFD oversubscription by tracking queues correctly
- Use of the new GFP_RETRY_MAYFAIL to be more aggressive in allocating
memory for the ring buffer without causing OOMs
- Fix a memory leak in adding and removing instances
- Add __rcu annotation to be able to debug RCU usage of function
tracing a bit better.
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Merge tag 'trace-v4.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
Pull tracing fixes from Steven Rostedt:
"Three minor updates
- Use the new GFP_RETRY_MAYFAIL to be more aggressive in allocating
memory for the ring buffer without causing OOMs
- Fix a memory leak in adding and removing instances
- Add __rcu annotation to be able to debug RCU usage of function
tracing a bit better"
* tag 'trace-v4.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
trace: fix the errors caused by incompatible type of RCU variables
tracing: Fix kmemleak in instance_rmdir
tracing/ring_buffer: Try harder to allocate
A bunch of small fixes for x86.
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull KVM fixes from Radim Krčmář:
"A bunch of small fixes for x86"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
kvm: x86: hyperv: avoid livelock in oneshot SynIC timers
KVM: VMX: Fix invalid guest state detection after task-switch emulation
x86: add MULTIUSER dependency for KVM
KVM: nVMX: Disallow VM-entry in MOV-SS shadow
KVM: nVMX: track NMI blocking state separately for each VMCS
KVM: x86: masking out upper bits
A handful of fixes, mostly for new code.
Some reworking of the new STRICT_KERNEL_RWX support to make sure we also remove
executable permission from __init memory before it's freed.
A fix to some recent optimisations to the hypercall entry where we were
clobbering r12, this was breaking nested guests (PR KVM).
A fix for the recent patch to opal_configure_cores(). This could break booting
on bare metal Power8 boxes if the kernel was built without
CONFIG_JUMP_LABEL_FEATURE_CHECK_DEBUG.
And finally a workaround for spurious PMU interrupts on Power9 DD2.
Thanks to:
Nicholas Piggin, Anton Blanchard, Balbir Singh.
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Merge tag 'powerpc-4.13-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fixes from Michael Ellerman:
"A handful of fixes, mostly for new code:
- some reworking of the new STRICT_KERNEL_RWX support to make sure we
also remove executable permission from __init memory before it's
freed.
- a fix to some recent optimisations to the hypercall entry where we
were clobbering r12, this was breaking nested guests (PR KVM).
- a fix for the recent patch to opal_configure_cores(). This could
break booting on bare metal Power8 boxes if the kernel was built
without CONFIG_JUMP_LABEL_FEATURE_CHECK_DEBUG.
- .. and finally a workaround for spurious PMU interrupts on Power9
DD2.
Thanks to: Nicholas Piggin, Anton Blanchard, Balbir Singh"
* tag 'powerpc-4.13-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
powerpc/mm: Mark __init memory no-execute when STRICT_KERNEL_RWX=y
powerpc/mm/hash: Refactor hash__mark_rodata_ro()
powerpc/mm/radix: Refactor radix__mark_rodata_ro()
powerpc/64s: Fix hypercall entry clobbering r12 input
powerpc/perf: Avoid spurious PMU interrupts after idle
powerpc/powernv: Fix boot on Power8 bare metal due to opal_configure_cores()
Since bio_io_error sets bi_status to BLK_STS_IOERR,
and calls bio_endio, so we can use it directly.
And as mentioned by Shaohua, there are also two
places in raid5.c can use bio_io_error either.
Signed-off-by: Guoqing Jiang <gqjiang@suse.com>
Signed-off-by: Shaohua Li <shli@fb.com>
After bio is submitted, we should not clone it as its bi_iter might be
invalid by driver. This is the case of behind_master_bio. In certain
situration, we could dispatch behind_master_bio immediately for the
first disk and then clone it for other disks.
https://bugzilla.kernel.org/show_bug.cgi?id=196383
Reported-and-tested-by: Markus <m4rkusxxl@web.de>
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Fix: 841c1316c7da(md: raid1: improve write behind)
Cc: stable@vger.kernel.org (4.12+)
Signed-off-by: Shaohua Li <shli@fb.com>
No function change, just move 'struct resync_pages' and related
helpers into raid1-10.c
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Shaohua Li <shli@fb.com>
We will support multipage bvec soon, so initialize bvec
table using the standardy way instead of writing the
talbe directly. Otherwise it won't work any more once
multipage bvec is enabled.
Acked-by: Guoqing Jiang <gqjiang@suse.com>
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Shaohua Li <shli@fb.com>
bio_add_page() won't fail for resync bio, and the page index for each
bio is same, so remove it.
More importantly the 'idx' of 'struct resync_pages' is initialized in
mempool allocator function, the current way is wrong since mempool is
only responsible for allocation, we can't use that for initialization.
Suggested-by: NeilBrown <neilb@suse.com>
Reported-by: NeilBrown <neilb@suse.com>
Reported-and-tested-by: Patrick <dto@gmx.net>
Fixes: f0250618361d(md: raid10: don't use bio's vec table to manage resync pages)
Fixes: 98d30c5812c3(md: raid1: don't use bio's vec table to manage resync pages)
Cc: stable@vger.kernel.org (4.12+)
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Shaohua Li <shli@fb.com>
Pull x86 fixes from Ingo Molnar:
"Half of the fixes are for various build time warnings triggered by
randconfig builds. Most (but not all...) were harmless.
There's also:
- ACPI boundary condition fixes
- UV platform fixes
- defconfig updates
- an AMD K6 CPU init fix
- a %pOF printk format related preparatory change
- .. and a warning fix related to the tlb/PCID changes"
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/devicetree: Convert to using %pOF instead of ->full_name
x86/platform/uv/BAU: Disable BAU on single hub configurations
x86/platform/intel-mid: Fix a format string overflow warning
x86/platform: Add PCI dependency for PUNIT_ATOM_DEBUG
x86/build: Silence the build with "make -s"
x86/io: Add "memory" clobber to insb/insw/insl/outsb/outsw/outsl
x86/fpu/math-emu: Avoid bogus -Wint-in-bool-context warning
x86/fpu/math-emu: Fix possible uninitialized variable use
perf/x86: Shut up false-positive -Wmaybe-uninitialized warning
x86/defconfig: Remove stale, old Kconfig options
x86/ioapic: Pass the correct data to unmask_ioapic_irq()
x86/acpi: Prevent out of bound access caused by broken ACPI tables
x86/mm, KVM: Fix warning when !CONFIG_PREEMPT_COUNT
x86/platform/uv/BAU: Fix congested_response_us not taking effect
x86/cpu: Use indirect call to measure performance in init_amd_k6()
Pull timer fix from Ingo Molnar:
"A timer_irq_init() clocksource API robustness fix"
* 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
clocksource/drivers/timer-of: Handle of_irq_get_byname() result correctly
Pull scheduler fixes from Ingo Molnar:
"A cputime fix and code comments/organization fix to the deadline
scheduler"
* 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched/deadline: Fix confusing comments about selection of top pi-waiter
sched/cputime: Don't use smp_processor_id() in preemptible context
Pull perf fixes from Ingo Molnar:
"Two hw-enablement patches, two race fixes, three fixes for regressions
of semantics, plus a number of tooling fixes"
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf/x86/intel: Add proper condition to run sched_task callbacks
perf/core: Fix locking for children siblings group read
perf/core: Fix scheduling regression of pinned groups
perf/x86/intel: Fix debug_store reset field for freq events
perf/x86/intel: Add Goldmont Plus CPU PMU support
perf/x86/intel: Enable C-state residency events for Apollo Lake
perf symbols: Accept zero as the kernel base address
Revert "perf/core: Drop kernel samples even though :u is specified"
perf annotate: Fix broken arrow at row 0 connecting jmp instruction to its target
perf evsel: State in the default event name if attr.exclude_kernel is set
perf evsel: Fix attr.exclude_kernel setting for default cycles:p
Pull locking fixlet from Ingo Molnar:
"Remove an unnecessary priority adjustment in the rtmutex code"
* 'locking-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
locking/rtmutex: Remove unnecessary priority adjustment
We must set fl->dsaddr once, and once only, even if there are multiple
processes calling filelayout_check_deviceid() for the same layout
segment.
Reported-by: Olga Kornievskaia <kolga@netapp.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Pull irq fixes from Ingo Molnar:
"A resume_irq() fix, plus a number of static declaration fixes"
* 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
irqchip/digicolor: Drop unnecessary static
irqchip/mips-cpu: Drop unnecessary static
irqchip/gic/realview: Drop unnecessary static
irqchip/mips-gic: Remove population of irq domain names
genirq/PM: Properly pretend disabled state when force resuming interrupts
Pull core fixes from Ingo Molnar:
"A fix to WARN_ON_ONCE() done by modules, plus a MAINTAINERS update"
* 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
debug: Fix WARN_ON_ONCE() for modules
MAINTAINERS: Update the PTRACE entry
Even though the IO for devices with "always poll" quirk is already running,
we still need to set HID_OPENED bit in usbhid->iofl so the interrupt
handler does not ignore the data coming from the device.
Reported-by: Olof Johansson <olof@lixom.net>
Tested-by: Olof Johansson <olof@lixom.net>
Fixes: e399396a6b ("HID: usbhid: remove custom locking from usbhid_open...")
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Acked-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
When mapping a directory, we want the MAY_WRITE permissions to reflect
whether or not we have permission to modify, add and delete the directory
entries. MAY_EXEC must map to lookup permissions.
On the other hand, for files, we want MAY_WRITE to reflect a permission
to modify and extend the file.
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Commit 3d4762639d ("tcp: remove poll() flakes when receiving
RST") in v4.12 changed the order in which ->sk_state_change()
and ->sk_error_report() are called when a socket is shut
down - sk_state_change() is now called first.
This causes xs_tcp_state_change() -> xs_sock_mark_closed() ->
xprt_disconnect_done() to wake all pending tasked with -EAGAIN.
When the ->sk_error_report() callback arrives, it is too late to
pass the error on, and it is lost.
As easy way to demonstrate the problem caused is to try to start
rpc.nfsd while rcpbind isn't running.
nfsd will attempt a tcp connection to rpcbind. A ECONNREFUSED
error is returned, but sunrpc code loses the error and keeps
retrying. If it saw the ECONNREFUSED, it would abort.
To fix this, handle the sk->sk_err in the TCP_CLOSE branch of
xs_tcp_state_change().
Fixes: 3d4762639d ("tcp: remove poll() flakes when receiving RST")
Cc: stable@vger.kernel.org (v4.12)
Signed-off-by: NeilBrown <neilb@suse.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Array size of mnt3_counts should be the size of array
mnt3_procedures, not mnt_procedures, though they're same in size
right now. Found this by code inspection.
Fixes: 1c5876ddbd ("sunrpc: move p_count out of struct rpc_procinfo")
Cc: Christoph Hellwig <hch@lst.de>
Signed-off-by: Eryu Guan <eguan@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Dell new platform with new hardware layout.
Old headset mode policy will cause headset mode check type has a
chance to check fail.
So, we update new headset mode to match new hardware layout.
New headset mode policy also could suitable to old hardware layout.
Signed-off-by: Kailang Yang <kailang@realtek.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Now that we have a custom printf format specifier, convert users of
full_name to use %pOF instead. This is preparation to remove storing
of the full path string for each device node.
Signed-off-by: Rob Herring <robh@kernel.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: devicetree@vger.kernel.org
Link: http://lkml.kernel.org/r/20170718214339.7774-7-robh@kernel.org
[ Clarify the error message while at it, as 'node' is ambiguous. ]
Signed-off-by: Ingo Molnar <mingo@kernel.org>
We have 2 functions using the same sched_task callback:
- PEBS drain for free running counters
- LBR save/store
Both of them are called from intel_pmu_sched_task() and
either of them can be unwillingly triggered when the
other one is configured to run.
Let's say there's PEBS drain configured in sched_task
callback for the event, but in the callback itself
(intel_pmu_sched_task()) we will also run the code for
LBR save/restore, which we did not ask for, but the
code in intel_pmu_sched_task() does not check for that.
This can lead to extra cycles in some perf monitoring,
like when we monitor PEBS event without LBR data.
# perf record --no-timestamp -c 10000 -e cycles:p ./perf bench sched pipe -l 1000000
(We need PEBS, non freq/non timestamp event to enable
the sched_task callback)
The perf stat of cycles and msr:write_msr for above
command before the change:
...
Performance counter stats for './perf record --no-timestamp -c 10000 -e cycles:p \
./perf bench sched pipe -l 1000000' (5 runs):
18,519,557,441 cycles:k
91,195,527 msr:write_msr
29.334476406 seconds time elapsed
And after the change:
...
Performance counter stats for './perf record --no-timestamp -c 10000 -e cycles:p \
./perf bench sched pipe -l 1000000' (5 runs):
18,704,973,540 cycles:k
27,184,720 msr:write_msr
16.977875900 seconds time elapsed
There's no affect on cycles:k because the sched_task happens
with events switched off, however the msr:write_msr tracepoint
counter together with almost 50% of time speedup show the
improvement.
Monitoring LBR event and having extra PEBS drain processing
in sched_task callback showed just a little speedup, because
the drain function does not do much extra work in case there
is no PEBS data.
Adding conditions to recognize the configured work that needs
to be done in the x86_pmu's sched_task callback.
Suggested-by: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Kan Liang <kan.liang@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Link: http://lkml.kernel.org/r/20170719075247.GA27506@krava
Signed-off-by: Ingo Molnar <mingo@kernel.org>
The BAU confers no benefit to a UV system running with only one hub/socket.
Permanently disable the BAU driver if there are less than two hubs online
to avoid BAU overhead. We have observed failed boots on single-socket UV4
systems caused by BAU that are avoided with this patch.
Also, while at it, consolidate initialization error blocks and fix a
memory leak.
Signed-off-by: Andrew Banman <abanman@hpe.com>
Acked-by: Russ Anderson <rja@hpe.com>
Acked-by: Mike Travis <mike.travis@hpe.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: tony.ernst@hpe.com
Link: http://lkml.kernel.org/r/1500588351-78016-1-git-send-email-abanman@hpe.com
[ Minor cleanups. ]
Signed-off-by: Ingo Molnar <mingo@kernel.org>
We're missing ctx lock when iterating children siblings
within the perf_read path for group reading. Following
race and crash can happen:
User space doing read syscall on event group leader:
T1:
perf_read
lock event->ctx->mutex
perf_read_group
lock leader->child_mutex
__perf_read_group_add(child)
list_for_each_entry(sub, &leader->sibling_list, group_entry)
----> sub might be invalid at this point, because it could
get removed via perf_event_exit_task_context in T2
Child exiting and cleaning up its events:
T2:
perf_event_exit_task_context
lock ctx->mutex
list_for_each_entry_safe(child_event, next, &child_ctx->event_list,...
perf_event_exit_event(child)
lock ctx->lock
perf_group_detach(child)
unlock ctx->lock
----> child is removed from sibling_list without any sync
with T1 path above
...
free_event(child)
Before the child is removed from the leader's child_list,
(and thus is omitted from perf_read_group processing), we
need to ensure that perf_read_group touches child's
siblings under its ctx->lock.
Peter further notes:
| One additional note; this bug got exposed by commit:
|
| ba5213ae6b ("perf/core: Correct event creation with PERF_FORMAT_GROUP")
|
| which made it possible to actually trigger this code-path.
Tested-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Fixes: ba5213ae6b ("perf/core: Correct event creation with PERF_FORMAT_GROUP")
Link: http://lkml.kernel.org/r/20170720141455.2106-1-jolsa@kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Fixes: df33767d ("uuid: hoist helpers uuid_equal() and uuid_copy() from xfs")
Reported-by: kernel test robot <xiaolong.ye@intel.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Amir Goldstein <amir73il@gmail.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
- Fix a regression where the parallel-display driver would not probe
anymore if no panel is specified in the device tree, since the
introduction of drm_of_find_panel_or_bridge.
- Fix a typo in the plane format list: replace a duplicate BGRA8888 format
with BGRX8888, as originally intended.
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Merge tag 'imx-drm-fixes-2017-07-18' of git://git.pengutronix.de/git/pza/linux into drm-fixes
imx-drm: fix parallel display regression and typo in plane format list
- Fix a regression where the parallel-display driver would not probe
anymore if no panel is specified in the device tree, since the
introduction of drm_of_find_panel_or_bridge.
- Fix a typo in the plane format list: replace a duplicate BGRA8888 format
with BGRX8888, as originally intended.
* tag 'imx-drm-fixes-2017-07-18' of git://git.pengutronix.de/git/pza/linux:
drm/imx: parallel-display: Accept drm_of_find_panel_or_bridge failure
drm/imx: fix typo in ipu_plane_formats[]
Core Changes:
- fence: Introduce new fence flag to signify timestamp is populated (Chris)
- mst: Avoid processing incomplete data + fix NULL dereference (Imre)
Driver Changes:
- vc4: Avoid WARN from grabbing a ref from vblank that's not on (Boris)
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Boris Brezillon <boris.brezillon@free-electrons.com>
Cc: Imre Deak <imre.deak@intel.com>
* tag 'drm-misc-fixes-2017-07-20' of git://anongit.freedesktop.org/git/drm-misc:
drm/mst: Avoid processing partially received up/down message transactions
drm/mst: Avoid dereferencing a NULL mstb in drm_dp_mst_handle_up_req()
drm/mst: Fix error handling during MST sideband message reception
drm/vc4: Fix VBLANK handling in crtc->enable() path
dma-buf/fence: Avoid use of uninitialised timestamp
This is a pull request for 4.13-rc2/3. The first patch addresses a bug that
appears when doing over-subscription of queues, due to a miscalculation of
the number of available compute queues. The other three patches remove
dead code that was created from the bugfix.
* tag 'drm-amdkfd-fixes-2017-07-18' of git://people.freedesktop.org/~gabbayo/linux:
drm/amdgpu: Remove unused field kgd2kfd_shared_resources.num_mec
drm/radeon: Remove initialization of shared_resources.num_mec
drm/amdkfd: Remove unused references to shared_resources.num_mec
drm/amdgpu: Fix KFD oversubscription by tracking queues correctly
gcc-7 warns about the result of a constant multiplication used as
a boolean:
drivers/ide/ide-timings.c: In function 'ide_timing_quantize':
drivers/ide/ide-timings.c:112:24: error: '*' in boolean context, suggest '&&' instead [-Werror=int-in-bool-context]
q->setup = EZ(t->setup * 1000, T);
This slightly rearranges the macro to simplify the code and avoid
the warning at the same time.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
