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Reported-by: Pierre Moreau <pierre.morrow@free.fr>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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The Apple GMUX is the one managing the backlight, so there is no need for
Nouveau to register its own backlight interface.
v2: Do not split information message on two lines as it prevents from grepping
it, as pointed out by Lukas Wunner
v3: Add a missing end-of-line character to the printed message
Signed-off-by: Pierre Moreau <pierre.morrow@free.fr>
Reviewed-by: Lukas Wunner <lukas@wunner.de>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Currently, every backlight interface created by Nouveau uses the same name,
nv_backlight. This leads to a sysfs warning as it tries to create an already
existing folder. This patch adds a incremented number to the name, but keeps
the initial name as nv_backlight, to avoid possibly breaking userspace; the
second interface will be named nv_backlight1, and so on.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=86539
v2:
* Switch to using ida for generating unique IDs, as suggested by Ilia Mirkin;
* Allocate backlight name on the stack, as suggested by Ilia Mirkin;
* Move `nouveau_get_backlight_name()` to avoid forward declaration, as
suggested by Ilia Mirkin;
* Fix reference to bug report formatting, as reported by Nick Tenney.
v3:
* Define a macro for the size of the backlight name, to avoid defining
it multiple times;
* Use snprintf in place of sprintf.
v4:
* Do not create similarly named interfaces when reaching the maximum
amount of unique names, but fail instead, as pointed out by Lukas Wunner
Signed-off-by: Pierre Moreau <pierre.morrow@free.fr>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Cc: stable@vger.kernel.org
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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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TTM was changed a while back to allow for pipelining of buffer moves, and
part of this was the removal of waiting for a BO to idle before calling
move(), placing the responsibility on the driver to do this if required.
That's all well and good, except, we make use of move_notify() to handle
mapping/unmapping from the GPU VMM as move() isn't called on all paths.
This commit adds a wait before unmapping from a VMM in move_notify(), to
prevent GPU page faults where a buffer is still being accessed.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Cc: stable@vger.kernel.org [v4.8+]
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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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This has been on the TODO list for a while now, recovering from things
such as attempting to execute a push buffer or touch a semaphore in an
unmapped memory area.
The only thing required on the HW side here is that the offending
channel is removed from the runlist, and *not* a full reset of PFIFO.
This used to be a bit messier to handle before the rework to make use
of engine topology info, but is apparently now trivial.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 idle updates from Ingo Molnar:
"There were two bigger changes in this development cycle:
- remove idle notifiers:
32 files changed, 74 insertions(+), 803 deletions(-)
These notifiers were of questionable value and the main usecase,
the i7300 driver, was essentially unmaintained and can be removed,
plus modern power management concepts don't need the callback - so
use this golden opportunity and get rid of this opaque and fragile
callback from a latency sensitive code path.
(Len Brown, Thomas Gleixner)
- improve the AMD Erratum 400 workaround that used high overhead MSR
polling in the idle loop (Borisla Petkov, Thomas Gleixner)"
* 'x86-idle-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86: Remove empty idle.h header
x86/amd: Simplify AMD E400 aware idle routine
x86/amd: Check for the C1E bug post ACPI subsystem init
x86/bugs: Separate AMD E400 erratum and C1E bug
x86/cpufeature: Provide helper to set bugs bits
x86/idle: Remove enter_idle(), exit_idle()
x86: Remove x86_test_and_clear_bit_percpu()
x86/idle: Remove is_idle flag
x86/idle: Remove idle_notifier
i7300_idle: Remove this driver
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drivers/block/rbd.c: In function ‘rbd_watch_cb’:
drivers/block/rbd.c:3690:5: error: ‘struct_v’ may be used uninitialized in this function [-Werror=maybe-uninitialized]
drivers/block/rbd.c:3759:5: note: ‘struct_v’ was declared here
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
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Fix a possible use-after-free scenario in acpi_cppc_processor_probe()
that can happen if the function returns without cleaning up the
per-CPU pointer set by it previously.
Reported-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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First I had crashed what I bisected down to de966cf4a4fa (sched/x86: Change
CONFIG_SCHED_ITMT to CONFIG_SCHED_MC_PRIO) because it made SCHED_ITMT the
default.
Then I run another bisect round and got here with the same backtrace:
|BUG: unable to handle kernel NULL pointer dereference at (null)
|IP: [<ffffffff812aab6e>] acpi_cppc_processor_exit+0x40/0x60
|PGD 0 [ 0.577616]
|Oops: 0000 [#1] SMP
|Modules linked in:
|CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.9.0-rc6-00146-g17669006adf6 #51
|task: ffff88003f878000 task.stack: ffffc90000008000
|RIP: 0010:[<ffffffff812aab6e>] [<ffffffff812aab6e>] acpi_cppc_processor_exit+0x40/0x60
|RSP: 0000:ffffc9000000bd48 EFLAGS: 00010296
|RAX: 00000000000137e0 RBX: 0000000000000000 RCX: 0000000000000001
|RDX: ffff88003fc00000 RSI: 0000000000000000 RDI: ffff88003fbca130
|RBP: ffffc9000000bd60 R08: 0000000000000514 R09: 0000000000000000
|R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000002
|R13: 0000000000000020 R14: ffffffff8167cb00 R15: 0000000000000000
|FS: 0000000000000000(0000) GS:ffff88003fcc0000(0000) knlGS:0000000000000000
|CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
|CR2: 0000000000000000 CR3: 0000000001618000 CR4: 00000000000406e0
|Stack:
| ffff88003f939848 ffff88003fbca130 0000000000000001 ffffc9000000bd80
| ffffffff812a4ccb ffff88003fc0cee8 0000000000000000 ffffc9000000bdb8
| ffffffff812dc20d ffff88003fc0cee8 ffffffff8167cb00 ffff88003fc0cf48
|Call Trace:
| [<ffffffff812a4ccb>] acpi_processor_stop+0xb2/0xc5
| [<ffffffff812dc20d>] driver_probe_device+0x14d/0x2f0
| [<ffffffff812dc41e>] __driver_attach+0x6e/0x90
| [<ffffffff812da234>] bus_for_each_dev+0x54/0x90
| [<ffffffff812dbbf9>] driver_attach+0x19/0x20
| [<ffffffff812db6a6>] bus_add_driver+0xe6/0x200
| [<ffffffff812dcb23>] driver_register+0x83/0xc0
| [<ffffffff816f050a>] acpi_processor_driver_init+0x20/0x94
| [<ffffffff81000487>] do_one_initcall+0x97/0x180
| [<ffffffff816ccf5c>] kernel_init_freeable+0x112/0x1a6
| [<ffffffff813a0fc9>] kernel_init+0x9/0xf0
| [<ffffffff813acf35>] ret_from_fork+0x25/0x30
|Code: 02 00 00 00 48 8b 14 d5 e0 c3 55 81 48 8b 1c 02 4c 8d 6b 20 eb 15 49 8b 7d 00 48 85 ff 74 05 e8 39 8c d9 ff 41 ff c4 49 83 c5 20 <44> 3b 23 72 e6 48 8d bb a0 02 00 00 e8 b1 6f f9 ff 48 89 df e8
|RIP [<ffffffff812aab6e>] acpi_cppc_processor_exit+0x40/0x60
| RSP <ffffc9000000bd48>
|CR2: 0000000000000000
|---[ end trace 917a625107b09711 ]---
Fix it.
Fixes: 17669006adf6 (cpufreq/intel_pstate: Use CPPC to get max performance)
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
[ rjw: Subject ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 FPU updates from Ingo Molnar:
"The main changes in this cycle were:
- do a large round of simplifications after all CPUs do 'eager' FPU
context switching in v4.9: remove CR0 twiddling, remove leftover
eager/lazy bts, etc (Andy Lutomirski)
- more FPU code simplifications: remove struct fpu::counter, clarify
nomenclature, remove unnecessary arguments/functions and better
structure the code (Rik van Riel)"
* 'x86-fpu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/fpu: Remove clts()
x86/fpu: Remove stts()
x86/fpu: Handle #NM without FPU emulation as an error
x86/fpu, lguest: Remove CR0.TS support
x86/fpu, kvm: Remove host CR0.TS manipulation
x86/fpu: Remove irq_ts_save() and irq_ts_restore()
x86/fpu: Stop saving and restoring CR0.TS in fpu__init_check_bugs()
x86/fpu: Get rid of two redundant clts() calls
x86/fpu: Finish excising 'eagerfpu'
x86/fpu: Split old_fpu & new_fpu handling into separate functions
x86/fpu: Remove 'cpu' argument from __cpu_invalidate_fpregs_state()
x86/fpu: Split old & new FPU code paths
x86/fpu: Remove __fpregs_(de)activate()
x86/fpu: Rename lazy restore functions to "register state valid"
x86/fpu, kvm: Remove KVM vcpu->fpu_counter
x86/fpu: Remove struct fpu::counter
x86/fpu: Remove use_eager_fpu()
x86/fpu: Remove the XFEATURE_MASK_EAGER/LAZY distinction
x86/fpu: Hard-disable lazy FPU mode
x86/crypto, x86/fpu: Remove X86_FEATURE_EAGER_FPU #ifdef from the crc32c code
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Update driver drv260x to use generic device properties so that it can be
used on non-DT systems. We also remove platform data as generic device
properties work on static board code as well.
Signed-off-by: Jingkui Wang <jkwang@google.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Let's introduce a temporary for "client->dev" is probe() as we use
it quite a few times and "dev" is shorter.
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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We were assigning I2C bus controller instead of client as parent device.
Besides being logically wrong, it messed up with devm handling of input
device. As a result we were leaving input device and event node behind
after rmmod-ing the driver, which lead to a kernel oops if one were to
access the event node later.
Let's remove the assignment and rely on devm_input_allocate_device() to
set it up properly for us.
Signed-off-by: Jingkui Wang <jkwang@google.com>
Fixes: 7132fe4f5687 ("Input: drv260x - add TI drv260x haptics driver")
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Some resources are incorrectly organized and at odds with
HW capabilities. Specifically, ILQ, IEQ, QPs, MSS, QOS
and statistics belong in a VSI.
Signed-off-by: Faisal Latif <faisal.latif@intel.com>
Signed-off-by: Mustafa Ismail <mustafa.ismail@intel.com>
Signed-off-by: Henry Orosco <henry.orosco@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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In i40iw_ieq_handle_partial() the check for !status is incorrect.
Signed-off-by: Mustafa Ismail <mustafa.ismail@intel.com>
Signed-off-by: Henry Orosco <henry.orosco@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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Currently we are changing the MSS regardless of whether
there is a change or not in MTU. Fix to make the
assignment of MSS dependent on an MTU change.
Signed-off-by: Mustafa Ismail <mustafa.ismail@intel.com>
Signed-off-by: Henry Orosco <henry.orosco@intel.com>
Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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Add a QP reference when terminate timer is started to ensure
the destroy QP doesn't race ahead to free the QP while it is being
referenced in the terminate timer's handler.
Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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On a device close, the control QP (CQP) is destroyed by calling
cqp_destroy which destroys the CQP and frees its SD buffer memory.
However, if the reset flag is true, cqp_destroy is never called and
leads to a memory leak on SD buffer memory. Fix this by always calling
cqp_destroy, on device close, regardless of reset. The exception to this
when CQP create fails. In this case, the SD buffer memory is already
freed on an error check and there is no need to call cqp_destroy.
Signed-off-by: Mustafa Ismail <mustafa.ismail@intel.com>
Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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When flush QP and there are no pending work requests, signal completion
to unblock i40iw_drain_sq and i40iw_drain_rq which are waiting on
completion for iwqp->sq_drained and iwqp->sq_drained respectively.
Also, signal completion if flush QP fails to prevent the drain SQ or RQ
from being blocked indefintely.
Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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A QP can be double freed if i40iw_cm_disconn() is
called while it is currently being freed by
i40iw_rem_ref(). The fix in i40iw_cm_disconn() will
first check if the QP is already freed before
making another request for the QP to be freed.
Signed-off-by: Mustafa Ismail <mustafa.ismail@intel.com>
Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com>
Signed-off-by: Henry Orosco <henry.orosco@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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hw_stats is a pointer to i40_iw_dev_stats struct in i40iw_get_hw_stats().
Use hw_stats and not &hw_stats in the memcpy to copy the i40iw device stats
data into rdma_hw_stats counters.
Fixes: b40f4757daa1 ("IB/core: Make device counter infrastructure dynamic")
Cc: stable@vger.kernel.org # 4.7+
Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com>
Signed-off-by: Faisal Latif <faisal.latif@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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The macros I40IW_STAG_KEY_FROM_STAG and I40IW_STAG_INDEX_FROM_STAG are
apparently bad - they are using the logical "&&" operation which
does not make sense here. It should have been a bitwise "&" instead.
Since the macros seem to be completely unused, let's simply remove
them so that nobody accidentially uses them in the future. And while
we're at it, also remove the unused macro I40IW_CREATE_STAG.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Leon Romanovsky <leonro@mellanox.com>
Acked-by: Faisal Latif <faisal.latif@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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It might be possible for all of a QP's references to be dropped
while one of that QP's tasklets is running.
For example, the completer might run during QP destroy.
If qp->valid is false, it will drop all of the packets on
the resp_pkts list, potentially removing the last reference.
Then it tries to advance the SQ consumer pointer. If the
SQ's buffer has already been destroyed, the system will
panic.
To be safe, hold a reference on the QP for the duration
of each tasklet.
Signed-off-by: Andrew Boyer <andrew.boyer@dell.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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The system may crash when a malformed request is received and
the error is detected by the responder.
NodeA: $ ibv_rc_pingpong -g 0 -d rxe0 -i 1 -n 1 -s 50000
NodeB: $ ibv_rc_pingpong -g 0 -d rxe0 -i 1 -n 1 -s 1024 <NodeA_ip>
The responder generates a receive error on node B since the incoming
SEND is oversized. If the client tears down the QP before the responder
or the completer finish running, a page fault may occur.
The fix makes the destroy operation spin until the tasks complete, which
appears to be original intent of the design.
Signed-off-by: Andrew Boyer <andrew.boyer@dell.com>
Reviewed-by: Yuval Shaia <yuval.shaia@oracle.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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A ref was added after the call to skb_clone().
Signed-off-by: Andrew Boyer <andrew.boyer@dell.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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The udata->inlen error path needs to clean up the ref
added by rxe_alloc().
Signed-off-by: Andrew Boyer <andrew.boyer@dell.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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Peek at the CQ after arming it so that we can return a hint.
This avoids missed completions due to a race between posting
CQEs and arming the CQ.
For example, CM teardown waits on MAD requests to complete with
ib_cq_poll_work(). Without this fix, the last completion might be
left on the CQ, hanging the kthread doing the teardown.
The console backtraces look like this:
[ 4199.911284] Call Trace:
[ 4199.911401] [<ffffffff9657fe95>] schedule+0x35/0x80
[ 4199.911556] [<ffffffff965830df>] schedule_timeout+0x22f/0x2c0
[ 4199.911727] [<ffffffff9657f7a8>] ? __schedule+0x368/0xa20
[ 4199.911891] [<ffffffff96580903>] wait_for_completion+0xb3/0x130
[ 4199.912067] [<ffffffff960a17e0>] ? wake_up_q+0x70/0x70
[ 4199.912243] [<ffffffffc074a06d>] cm_destroy_id+0x13d/0x450 [ib_cm]
[ 4199.912422] [<ffffffff961615d5>] ? printk+0x57/0x73
[ 4199.912578] [<ffffffffc074a390>] ib_destroy_cm_id+0x10/0x20 [ib_cm]
[ 4199.912759] [<ffffffffc076098c>] rdma_destroy_id+0xac/0x340 [rdma_cm]
[ 4199.912941] [<ffffffffc076f2cc>] 0xffffffffc076f2cc
Signed-off-by: Andrew Boyer <andrew.boyer@dell.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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The last_psn algorithm fails in the zero-byte case: it calculates
first_psn = N, last_psn = N-1. This makes the operation unretryable since
the res structure will fail the (first_psn <= psn <= last_psn) test in
find_resource().
While here, use BTH_PSN_MASK to mask the calculated last_psn.
Signed-off-by: Andrew Boyer <andrew.boyer@dell.com>
Reviewed-by: Moni Shoua <monis@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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skb_out is decremented in rxe_skb_tx_dtor(), which is not called in the
loopback() path. Move the increment to the send() path rather than
rxe_xmit_packet().
Signed-off-by: Andrew Boyer <andrew.boyer@dell.com>
Acked-by: Moni Shoua <monis@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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A client might post a read followed by a send. The partner receives
and acknowledges both transactions, posting an RCQ entry for the
send, but something goes wrong with the read ACK. When the client
retries the read, the partner's responder processes the duplicate
read but incorrectly resets the PSN to the value preceding the
original send. When the duplicate send arrives, the responder cannot
tell that it is a duplicate, so the responder generates a duplicate
RCQ entry, confusing the client.
Signed-off-by: Andrew Boyer <andrew.boyer@dell.com>
Reviewed-by: Yonatan Cohen <yonatanc@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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A simple userspace application might poll the CQ, find a completion,
and then attempt to post a new WQE to the SQ. A spurious error can
occur if the userspace application detects a full SQ in the instant
before the kernel is able to advance the SQ consumer pointer.
This is noticeable when using single-entry SQs with ibv_rc_pingpong
if lots of kernel and userspace library debugging is enabled.
Signed-off-by: Andrew Boyer <andrew.boyer@dell.com>
Reviewed-by: Yonatan Cohen <yonatanc@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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Avoid smashing the stack when an ICRC error occurs on an IPv6 network.
Signed-off-by: Andrew Boyer <andrew.boyer@dell.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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It makes me nervous when we cast pointer parameters. I would estimate
that around 50% of the time, it indicates a bug. Here the cast is not
needed becaue u32 and and unsigned int are the same thing. Removing the
cast makes the code more robust and future proof in case any of the
types change.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Leon Romanovsky <leonro@mellanox.com>
Reviewed-by: Yuval Shaia <yuval.shaia@oracle.com>
Acked-by: Moni Shoua <monis@mellanox.com>
Reviewed-by: Yuval Shaia <yuval.shaia@oracle.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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spinlock can be initialized automatically with DEFINE_SPINLOCK()
rather than explicitly calling spin_lock_init().
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Reviewed-by: Leon Romanosky <leonro@mellanox.com>
Reviewed-by: Moni Shoua <monis@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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A race condition fix added an rxe_qp structure to the stack in order
to be able to perform rollback in rxe_requester(), but the structure
is large enough to trigger the warning for possible stack overflow:
drivers/infiniband/sw/rxe/rxe_req.c: In function 'rxe_requester':
drivers/infiniband/sw/rxe/rxe_req.c:757:1: error: the frame size of 2064 bytes is larger than 1024 bytes [-Werror=frame-larger-than=]
This changes the rollback function to only save the psn inside
the qp, which is the only field we access in the rollback_qp
anyway.
Fixes: 3050b9985024 ("IB/rxe: Fix race condition between requester and completer")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 RAS updates from Ingo Molnar:
"The main changes in this development cycle were:
- more AMD northbridge support work, mostly in preparation for Fam17h
CPUs (Yazen Ghannam, Borislav Petkov)
- cleanups/refactorings and fixes (Borislav Petkov, Tony Luck,
Yinghai Lu)"
* 'ras-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/mce: Include the PPIN in MCE records when available
x86/mce/AMD: Add system physical address translation for AMD Fam17h
x86/amd_nb: Add SMN and Indirect Data Fabric access for AMD Fam17h
x86/amd_nb: Add Fam17h Data Fabric as "Northbridge"
x86/amd_nb: Make all exports EXPORT_SYMBOL_GPL
x86/amd_nb: Make amd_northbridges internal to amd_nb.c
x86/mce/AMD: Reset Threshold Limit after logging error
x86/mce/AMD: Fix HWID_MCATYPE calculation by grouping arguments
x86/MCE: Correct TSC timestamping of error records
x86/RAS: Hide SMCA bank names
x86/RAS: Rename smca_bank_names to smca_names
x86/RAS: Simplify SMCA HWID descriptor struct
x86/RAS: Simplify SMCA bank descriptor struct
x86/MCE: Dump MCE to dmesg if no consumers
x86/RAS: Add TSC timestamp to the injected MCE
x86/MCE: Do not look at panic_on_oops in the severity grading
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When a computer has an IPMI system interface, the device interface
is most probably also desired. Autoloading of ipmi_devintf currently
works only if ipmi_si has allocated a platform device. That doesn't
happen if the SI interface was detected e.g. via ACPI. But ACPI
detection is preferred these days, see e.g. kernel.org bug 46741.
This patch introduces a softdep in place of the existing modalias
for ipmi_devintf.
Signed-off-by: Martin Wilck <mwilck@suse.com>
Suggested-by: Takashi Iwai <tiwai@suse.com>
I moved this to ipmi_msghandler.c, so it works for all IPMI
interfaces. Retested by Martin.
Tested-by: Martin Wilck <mwilck@suse.com>
Signed-off-by: Corey Minyard <cminyard@mvista.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler updates from Ingo Molnar:
"The main scheduler changes in this cycle were:
- support Intel Turbo Boost Max Technology 3.0 (TBM3) by introducig a
notion of 'better cores', which the scheduler will prefer to
schedule single threaded workloads on. (Tim Chen, Srinivas
Pandruvada)
- enhance the handling of asymmetric capacity CPUs further (Morten
Rasmussen)
- improve/fix load handling when moving tasks between task groups
(Vincent Guittot)
- simplify and clean up the cputime code (Stanislaw Gruszka)
- improve mass fork()ed task spread a.k.a. hackbench speedup (Vincent
Guittot)
- make struct kthread kmalloc()ed and related fixes (Oleg Nesterov)
- add uaccess atomicity debugging (when using access_ok() in the
wrong context), under CONFIG_DEBUG_ATOMIC_SLEEP=y (Peter Zijlstra)
- implement various fixes, cleanups and other enhancements (Daniel
Bristot de Oliveira, Martin Schwidefsky, Rafael J. Wysocki)"
* 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (41 commits)
sched/core: Use load_avg for selecting idlest group
sched/core: Fix find_idlest_group() for fork
kthread: Don't abuse kthread_create_on_cpu() in __kthread_create_worker()
kthread: Don't use to_live_kthread() in kthread_[un]park()
kthread: Don't use to_live_kthread() in kthread_stop()
Revert "kthread: Pin the stack via try_get_task_stack()/put_task_stack() in to_live_kthread() function"
kthread: Make struct kthread kmalloc'ed
x86/uaccess, sched/preempt: Verify access_ok() context
sched/x86: Make CONFIG_SCHED_MC_PRIO=y easier to enable
sched/x86: Change CONFIG_SCHED_ITMT to CONFIG_SCHED_MC_PRIO
x86/sched: Use #include <linux/mutex.h> instead of #include <asm/mutex.h>
cpufreq/intel_pstate: Use CPPC to get max performance
acpi/bus: Set _OSC for diverse core support
acpi/bus: Enable HWP CPPC objects
x86/sched: Add SD_ASYM_PACKING flags to x86 ITMT CPU
x86/sysctl: Add sysctl for ITMT scheduling feature
x86: Enable Intel Turbo Boost Max Technology 3.0
x86/topology: Define x86's arch_update_cpu_topology
sched: Extend scheduler's asym packing
sched/fair: Clean up the tunable parameter definitions
...
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* device-properties:
ACPI / property: Document usage rules for _DSD properties
ACPI / property: Hierarchical properties support update
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'acpi-apei'
* acpi-soc:
ACPI / LPSS: enable hard LLP for DMA
ACPI / APD: Add clock frequency for future AMD I2C controller
* acpi-battery:
ACPI / battery: If _BIX fails, retry with _BIF
* acpi-video:
ACPI / video: Add force_native quirk for HP Pavilion dv6
ACPI / video: Add force_native quirk for Dell XPS 17 L702X
ACPI / video: Move ACPI_VIDEO_NOTIFY_* defines to acpi/video.h
* acpi-cppc:
ACPI / CPPC: set an error code on probe error path
* acpi-apei:
ACPI / APEI / ARM64: APEI initial support for ARM64
ACPI / APEI: Fix NMI notification handling
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* acpi-tables:
ACPI / tebles: remove redundant declare of acpi_table_parse_entries()
* acpi-osi:
ACPI: Document _OSI and _REV for Linux BIOS writers
* acpi-osl:
ACPI / osl: Refactor acpi_os_get_root_pointer() to drop 'else':s
ACPI / osl: Propagate actual error code for kstrtoul()
* acpi-blacklist:
ACPI / blacklist: Make Dell Latitude 3350 ethernet work
ACPI / blacklist: add _REV quirks for Dell Precision 5520 and 3520
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* acpica:
ACPICA: Utilities: Add new decode function for parser values
ACPICA: Tables: Add an error message complaining driver bugs
ACPICA: Tables: Add acpi_tb_unload_table()
ACPICA: Tables: Cleanup acpi_tb_install_and_load_table()
ACPICA: Events: Fix acpi_ev_initialize_region() return value
ACPICA: Back port of "ACPICA: Dispatcher: Tune interpreter lock around AcpiEvInitializeRegion()"
ACPICA: Namespace: Add acpi_ns_handle_to_name()
ACPICA: Update version to 20160930
ACPICA: Move acpi_gbl_max_loop_iterations to the public globals file
ACPICA: Disassembler: Fix for Divide() support, new support for test suite
ACPICA: Increase loop limit for AE_AML_INFINITE_LOOP exception
ACPICA: MacOSX: Fix wrong sem_destroy definition
ACPICA: MacOSX: Fix anonymous semaphore implementation
ACPICA: Update an info message during table load phase
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* pm-devfreq:
devfreq: rk3399_dmc: Don't use OPP structures outside of RCU locks
devfreq: rk3399_dmc: Remove dangling rcu_read_unlock()
devfreq: exynos: Don't use OPP structures outside of RCU locks
PM / devfreq: rk3399_dmc: Use the resource-managed function to add devfreq dev
PM / devfreq: correct comment typo.
PM / devfreq: exynos-ppmu: Remove unused mutex from struct exynos_ppmu
PM / devfreq: exynos-ppmu: ppmu_events array should not be NULL terminated
PM / devfreq: exynos-ppmu: Fix module autoload
PM / devfreq: rockchip-dfi: Fix module autoload
PM / devfreq: exynos-nocp: Fix module autoload
PM / devfreq: rk3399_dmc: Fix module autoload
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* pm-sleep:
PM / sleep: Print active wakeup sources when blocking on wakeup_count reads
x86/suspend: fix false positive KASAN warning on suspend/resume
PM / sleep / ACPI: Use the ACPI_FADT_LOW_POWER_S0 flag
PM / sleep: System sleep state selection interface rework
PM / hibernate: Verify the consistent of e820 memory map by md5 digest
* powercap:
powercap / RAPL: Add Knights Mill CPUID
powercap/intel_rapl: fix and tidy up error handling
powercap/intel_rapl: Track active CPUs internally
powercap/intel_rapl: Cleanup duplicated init code
powercap/intel rapl: Convert to hotplug state machine
powercap/intel_rapl: Propagate error code when registration fails
powercap/intel_rapl: Add missing domain data update on hotplug
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