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Otherwise we gradually leak credits leading to potential
hung session.
Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com>
CC: Stable <stable@vger.kernel.org>
Reviewed-by: Pavel Shilovsky <pshilov@microsoft.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
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If the server doesn't grant us at least 3 credits during the mount
we won't be able to complete it because query path info operation
requires 3 credits. Use the cached file handle if possible to allow
the mount to succeed.
Signed-off-by: Pavel Shilovsky <pshilov@microsoft.com>
Reviewed-by: Ronnie Sahlberg <lsahlber@redhat.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
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If we don't receive a response we can't assume that the server
granted one credit. Assume zero credits in such cases.
Signed-off-by: Pavel Shilovsky <pshilov@microsoft.com>
Reviewed-by: Ronnie Sahlberg <lsahlber@redhat.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
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The current code doesn't do proper accounting for credits
in SMB1 case: it adds one credit per response only if we get
a complete response while it needs to return it unconditionally.
Fix this and also include malformed responses for SMB2+ into
accounting for credits because such responses have Credit
Granted field, thus nothing prevents to get a proper credit
value from them.
Signed-off-by: Pavel Shilovsky <pshilov@microsoft.com>
Reviewed-by: Ronnie Sahlberg <lsahlber@redhat.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
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We do need to account for credits received in error responses
to read requests on encrypted sessions.
Cc: <stable@vger.kernel.org>
Signed-off-by: Pavel Shilovsky <pshilov@microsoft.com>
Reviewed-by: Ronnie Sahlberg <lsahlber@redhat.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
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Currently we mark MID as malformed if we get an error from server
in a read response. This leads to not properly processing credits
in the readv callback. Fix this by marking such a response as
normal received response and process it appropriately.
Cc: <stable@vger.kernel.org>
Signed-off-by: Pavel Shilovsky <pshilov@microsoft.com>
Reviewed-by: Ronnie Sahlberg <lsahlber@redhat.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
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When executing add_credits() we currently call cifs_reconnect()
if the number of credits is zero and there are no requests in
flight. In this case we may call cifs_reconnect() recursively
twice and cause memory corruption given the following sequence
of functions:
mid1.callback() -> add_credits() -> cifs_reconnect() ->
-> mid2.callback() -> add_credits() -> cifs_reconnect().
Fix this by avoiding to call cifs_reconnect() in add_credits()
and checking for zero credits in the demultiplex thread.
Cc: <stable@vger.kernel.org>
Signed-off-by: Pavel Shilovsky <pshilov@microsoft.com>
Reviewed-by: Ronnie Sahlberg <lsahlber@redhat.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
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git://anongit.freedesktop.org/drm/drm-misc into drm-fixes
drm-misc-fixes for v5.0-rc4:
- Small refcounting fix to sun4i's HDMI support.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/588e9ecb-d80d-2cc6-254e-e5311f04224f@linux.intel.com
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drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c:368:13: error: 'dpu_plane_danger_signal_ctrl' defined but not used [-Werror=unused-function]
Fixes: 7b2e7adea732 ("drm/msm/dpu: Make dpu_plane_danger_signal_ctrl void")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Anders Roxell <anders.roxell@linaro.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
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Add a few __printf attribute specifiers to routines that
could use them.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Rob Clark <robdclark@gmail.com>
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The bindings for Qualcomm opp levels changed after being Acked but
before landing. Thus the code in the GPU driver that was relying on
the old bindings is now broken.
Let's change the code to match the new bindings by adjusting the old
string 'qcom,level' to the new string 'opp-level'. See the patch
("dt-bindings: opp: Introduce opp-level bindings").
NOTE: we will do additional cleanup to totally remove the string from
the code and use the new dev_pm_opp_get_level() but we'll do it in a
future patch. This will facilitate getting the important code fix in
sooner without having to deal with cross-maintainer dependencies.
This patch needs to land before the patch ("arm64: dts: sdm845: Add
gpu and gmu device nodes") since if a tree contains the device tree
patch but not this one you'll get a crash at bootup.
Fixes: 4b565ca5a2cb ("drm/msm: Add A6XX device support")
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Jordan Crouse <jcrouse@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
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Signed-off-by: Rob Clark <robdclark@gmail.com>
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Each GPU core only uses one interrupt so we don't to look up
an interrupt by name and thereby we don't need interrupt-names.
Signed-off-by: Jordan Crouse <jcrouse@codeaurora.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
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Every GPU core only has one interrupt so there isn't any
value in looking up the interrupt by name. Remove the name (which
is legacy anyway) and use platform_get_irq() instead.
Signed-off-by: Jordan Crouse <jcrouse@codeaurora.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
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When debugfs is disabled, but coredump is turned on, the adreno driver fails to build:
drivers/gpu/drm/msm/adreno/a3xx_gpu.c:460:4: error: 'struct msm_gpu_funcs' has no member named 'show'
.show = adreno_show,
^~~~
drivers/gpu/drm/msm/adreno/a3xx_gpu.c:460:11: note: (near initialization for 'funcs.base')
drivers/gpu/drm/msm/adreno/a3xx_gpu.c:460:11: error: initialization of 'void (*)(struct msm_gpu *, struct msm_gem_submit *, struct msm_file_private *)' from incompatible pointer type 'void (*)(struct msm_gpu *, struct msm_gpu_state *, struct drm_printer *)' [-Werror=incompatible-pointer-types]
drivers/gpu/drm/msm/adreno/a3xx_gpu.c:460:11: note: (near initialization for 'funcs.base.submit')
drivers/gpu/drm/msm/adreno/a4xx_gpu.c:546:4: error: 'struct msm_gpu_funcs' has no member named 'show'
drivers/gpu/drm/msm/adreno/a5xx_gpu.c:1460:4: error: 'struct msm_gpu_funcs' has no member named 'show'
drivers/gpu/drm/msm/adreno/a6xx_gpu.c:769:4: error: 'struct msm_gpu_funcs' has no member named 'show'
drivers/gpu/drm/msm/msm_gpu.c: In function 'msm_gpu_devcoredump_read':
drivers/gpu/drm/msm/msm_gpu.c:289:12: error: 'const struct msm_gpu_funcs' has no member named 'show'
Adjust the #ifdef to make it build again.
Fixes: c0fec7f562ec ("drm/msm/gpu: Capture the GPU state on a GPU hang")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Rob Clark <robdclark@gmail.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm
Pull device mapper fixes from Mike Snitzer:
- Fix DM crypt's parsing of extended IV arguments.
- Fix DM thinp's discard passdown to properly account for extra
reference that is taken to guard against reallocating a block before
a discard has been issued.
- Fix bio-based DM's redundant IO accounting that was occurring for
bios that must be split due to the nature of the DM target (e.g.
dm-stripe, dm-thinp, etc).
* tag 'for-5.0/dm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
dm: add missing trace_block_split() to __split_and_process_bio()
dm: fix dm_wq_work() to only use __split_and_process_bio() if appropriate
dm: fix redundant IO accounting for bios that need splitting
dm: fix clone_bio() to trigger blk_recount_segments()
dm thin: fix passdown_double_checking_shared_status()
dm crypt: fix parsing of extended IV arguments
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The clocks of the CPUSS such as "gcc_cpuss_ahb_clk_src" is a CRITICAL
clock and needs to vote on the active only source of XO, so as to keep
the vote as long as CPUSS is active. Similar rbcpr_clk_src is also has
the same requirement.
Signed-off-by: Taniya Das <tdas@codeaurora.org>
Fixes: 06391eddb60a ("clk: qcom: Add Global Clock controller (GCC) driver for SDM845")
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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The ti_clk_parse_divider_data() function is only called from
_get_div_table_from_setup(). That function doesn't look at the return
value but instead looks at the "*table" pointer. In this case, if the
kcalloc() fails then *table is NULL (which means success). It should
instead be an error pointer.
The ti_clk_parse_divider_data() function has two callers. One checks
for errors and the other doesn't. I have fixed it so now both handle
errors.
Fixes: 4f6be5655dc9 ("clk: ti: divider: add driver internal API for parsing divider data")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Before multiplying by PLL_FRAC_DENOM, the temp64 needs to be
temp64 = rate * 2 - divfi * parent_rate * 8, instead of:
temp64 = (rate * 2 - divfi) * parent_rate
Fixes: 6209624b9a5c1e ("clk: imx: Add fractional PLL output clock")
Signed-off-by: Abel Vesa <abel.vesa@nxp.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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It's not required to traverse the entire clk tree when the parents array
contains a NULL value. We already have the parent clk_core pointer, so
we can just compare the parent->name and parent_names[i] pointers.
This can be a substantial power improvement in cases where the parent
clk isn't known and that clk is never registered, because a mux having
an unregistered parent name may traverse the clk tree on every
clk_set_rate() call in clk_mux_determine_rate_flags(). This can happen
hundreds of times a second for CPU clks.
This patch is the combination of reverting commit 470b5e2f97cf ("clk:
simplify clk_fetch_parent_index() function") and optimizing the
resulting code to never call __clk_lookup() because we already have the
clk_core pointer we're looking for. That optimization went unnoticed
even after commit da0f0b2c3ad2 ("clk: Correct lookup logic in
clk_fetch_parent_index()") tried to optimize this path.
Signed-off-by: Derek Basehore <dbasehore@chromium.org>
[sboyd@kernel.org: More description in commit text]
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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It seems that the kernel has no business managing this clock: once the SP
clock is disabled, it's not sufficient to just enable it in order to bring
the SP core back up.
Pretty sure nothing ever used this and it's safe to remove.
This reverts commit e8a2c779141415105825e65a4715f1130bba61b1.
Signed-off-by: Lubomir Rintel <lkundrak@v3.sk>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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It seems that the kernel has no business managing this clock: once the SP
clock is disabled, it's not sufficient to just enable in order to bring the
SP core back up. Just let the firmware keep it enabled and don't expose it
to drivers.
This reverts commit fc27c2394d96fd19854b7e2d3f0e60df0d86fc90.
Link: https://lore.kernel.org/lkml/154783267051.169631.3197836544646625747@swboyd.mtv.corp.google.com/
Signed-off-by: Lubomir Rintel <lkundrak@v3.sk>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Turns out this is not such a great idea. Once the SP clock is disabled,
it's not sufficient to just enable in order to bring the SP core back up.
It seems that the kernel has no business managing this clock. Just let
the firmware keep it enabled.
This reverts commit ed22cee91a88c47e564478b012fdbcb079653499.
Link: https://lore.kernel.org/lkml/154783267051.169631.3197836544646625747@swboyd.mtv.corp.google.com/
Signed-off-by: Lubomir Rintel <lkundrak@v3.sk>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Fix typo in REQ_OP_ZONE_RESET description.
Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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The description of the BLKGETNRZONES zoned block device ioctl was not
added as a comment together with this ioctl definition in commit
65e4e3eee83d7 ("block: Introduce BLKGETNRZONES ioctl"). Add its
description here.
Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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This patch avoids that sparse reports the following warnings:
CHECK block/blk-wbt.c
block/blk-wbt.c:600:6: warning: symbol 'wbt_issue' was not declared. Should it be static?
block/blk-wbt.c:620:6: warning: symbol 'wbt_requeue' was not declared. Should it be static?
CC block/blk-wbt.o
block/blk-wbt.c:600:6: warning: no previous prototype for wbt_issue [-Wmissing-prototypes]
void wbt_issue(struct rq_qos *rqos, struct request *rq)
^~~~~~~~~
block/blk-wbt.c:620:6: warning: no previous prototype for wbt_requeue [-Wmissing-prototypes]
void wbt_requeue(struct rq_qos *rqos, struct request *rq)
^~~~~~~~~~~
Reviewed-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
Pull inotify fix from Jan Kara:
"Fix a file refcount leak in an inotify error path"
* tag 'fsnotify_for_v5.0-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
inotify: Fix fd refcount leak in inotify_add_watch().
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Pull ceph fixes from Ilya Dryomov:
"A fix for a potential use-after-free, a patch to close a (mostly
benign) race in the messenger and a licence clarification for quota.c"
* tag 'ceph-for-5.0-rc4' of git://github.com/ceph/ceph-client:
ceph: quota: cleanup license mess
libceph: avoid KEEPALIVE_PENDING races in ceph_con_keepalive()
ceph: clear inode pointer when snap realm gets dropped by its inode
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"A significant amount of fixes at this time, mostly for covering the
recent ASoC issues.
- Fixes for the missing ASoC driver initialization with non-deferred
probes; these triggered other problems in chain, which resulted in
yet more fix commits
- DaVinci runtime PM fix; the diff looks large but it's just a code
shuffling
- Various fixes for ASoC Intel drivers: a regression in HD-A HDMI,
Kconfig dependency, machine driver adjustments, PLL fix.
- Other ASoC driver-specific stuff including the trivial fixes caught
by static analysis
- Usual HD-audio quirks"
* tag 'sound-5.0-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (30 commits)
ALSA: hda - Add mute LED support for HP ProBook 470 G5
ASoC: amd: Fix potential NULL pointer dereference
ASoC: imx-audmux: change snprintf to scnprintf for possible overflow
ASoC: rt5514-spi: Fix potential NULL pointer dereference
ASoC: dapm: change snprintf to scnprintf for possible overflow
ASoC: rt5682: Fix PLL source register definitions
ASoC: core: Don't defer probe on optional, NULL components
ASoC: core: Make snd_soc_find_component() more robust
ASoC: soc-core: fix init platform memory handling
ASoC: intel: skl: Fix display power regression
ALSA: hda/realtek - Fix typo for ALC225 model
ASoC: soc-core: Hold client_mutex around soc_init_dai_link()
ASoC: Intel: Boards: move the codec PLL configuration to _init
ASoC: soc-core: defer card probe until all component is added to list
ASoC: atom: fix a missing check of snd_pcm_lib_malloc_pages
ASoC: tlv320aic32x4: Kernel OOPS while entering DAPM standby mode
ASoC: ti: davinci-mcasp: Move context save/restore to runtime_pm callbacks
ASoC: Variable "val" in function rt274_i2c_probe() could be uninitialized
ASoC: rt5682: Fix recording no sound issue
ASoC: Intel: atom: Make PCI dependency explicit
...
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Correct the persistent register offset where address and status are
stored.
Fixes: 08f08bfb7b4c ("EDAC, altera: Merge Stratix10 into the Arria10 SDRAM probe routine")
Signed-off-by: Thor Thayer <thor.thayer@linux.intel.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: James Morse <james.morse@arm.com>
Cc: Mauro Carvalho Chehab <mchehab@kernel.org>
Cc: devicetree@vger.kernel.org
Cc: dinguyen@kernel.org
Cc: linux-edac <linux-edac@vger.kernel.org>
Cc: mark.rutland@arm.com
Cc: robh+dt@kernel.org
Cc: stable <stable@vger.kernel.org>
Link: https://lkml.kernel.org/r/1548179287-21760-2-git-send-email-thor.thayer@linux.intel.com
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Swap REQ_NOWAIT and REQ_NOUNMAP and add REQ_HIPRI.
Acked-by: Jeff Moyer <jmoyer@redhat.com>
Signed-off-by: Jianchao Wang <jianchao.w.wang@oracle.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Precise and non-ambiguous license information is important. The recently
added aegis header file has a SPDX license identifier, which is nice, but
at the same time it has a contradictionary license boiler plate text.
SPDX-License-Identifier: GPL-2.0
versus
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
Oh well.
Assuming that the SPDX identifier is correct and according to x86/hyper-v
contributions from Microsoft GPL V2 only is the usual license.
Remove the boiler plate as it is wrong and even if correct it is redundant.
Fixes: eccb4422cf97 ("smb3: Add ftrace tracepoints for improved SMB3 debugging")
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Steve French <sfrench@samba.org>
Cc: linux-cifs@vger.kernel.org
Signed-off-by: Steve French <stfrench@microsoft.com>
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When doing MTU i/o we need to leave some credits for
possible reopen requests and other operations happening
in parallel. Currently we leave 1 credit which is not
enough even for reopen only: we need at least 2 credits
if durable handle reconnect fails. Also there may be
other operations at the same time including compounding
ones which require 3 credits at a time each. Fix this
by leaving 8 credits which is big enough to cover most
scenarios.
Was able to reproduce this when server was configured
to give out fewer credits than usual.
The proper fix would be to reconnect a file handle first
and then obtain credits for an MTU request but this leads
to bigger code changes and should happen in other patches.
Cc: <stable@vger.kernel.org>
Signed-off-by: Pavel Shilovsky <pshilov@microsoft.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
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The call to SMB2_queary_acl can allocate memory to pntsd and also
return a failure via a call to SMB2_query_acl (and then query_info).
This occurs when query_info allocates the structure and then in
query_info the call to smb2_validate_and_copy_iov fails. Currently the
failure just returns without kfree'ing pntsd hence causing a memory
leak.
Currently, *data is allocated if it's not already pointing to a buffer,
so it needs to be kfree'd only if was allocated in query_info, so the
fix adds an allocated flag to track this. Also set *dlen to zero on
an error just to be safe since *data is kfree'd.
Also set errno to -ENOMEM if the allocation of *data fails.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Reviewed-by: Dan Carpener <dan.carpenter@oracle.com>
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When a VM is terminated, the VFIO driver detaches all pass-through
devices from VFIO domain by clearing domain id and page table root
pointer from each device table entry (DTE), and then invalidates
the DTE. Then, the VFIO driver unmap pages and invalidate IOMMU pages.
Currently, the IOMMU driver keeps track of which IOMMU and how many
devices are attached to the domain. When invalidate IOMMU pages,
the driver checks if the IOMMU is still attached to the domain before
issuing the invalidate page command.
However, since VFIO has already detached all devices from the domain,
the subsequent INVALIDATE_IOMMU_PAGES commands are being skipped as
there is no IOMMU attached to the domain. This results in data
corruption and could cause the PCI device to end up in indeterministic
state.
Fix this by invalidate IOMMU pages when detach a device, and
before decrementing the per-domain device reference counts.
Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Suggested-by: Joerg Roedel <joro@8bytes.org>
Co-developed-by: Brijesh Singh <brijesh.singh@amd.com>
Signed-off-by: Brijesh Singh <brijesh.singh@amd.com>
Signed-off-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
Fixes: 6de8ad9b9ee0 ('x86/amd-iommu: Make iommu_flush_pages aware of multiple IOMMUs')
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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There is a UBSAN bug report as below:
UBSAN: Undefined behaviour in net/netfilter/ipvs/ip_vs_ctl.c:2227:21
signed integer overflow:
-2147483647 * 1000 cannot be represented in type 'int'
Reproduce program:
#include <stdio.h>
#include <sys/types.h>
#include <sys/socket.h>
#define IPPROTO_IP 0
#define IPPROTO_RAW 255
#define IP_VS_BASE_CTL (64+1024+64)
#define IP_VS_SO_SET_TIMEOUT (IP_VS_BASE_CTL+10)
/* The argument to IP_VS_SO_GET_TIMEOUT */
struct ipvs_timeout_t {
int tcp_timeout;
int tcp_fin_timeout;
int udp_timeout;
};
int main() {
int ret = -1;
int sockfd = -1;
struct ipvs_timeout_t to;
sockfd = socket(AF_INET, SOCK_RAW, IPPROTO_RAW);
if (sockfd == -1) {
printf("socket init error\n");
return -1;
}
to.tcp_timeout = -2147483647;
to.tcp_fin_timeout = -2147483647;
to.udp_timeout = -2147483647;
ret = setsockopt(sockfd,
IPPROTO_IP,
IP_VS_SO_SET_TIMEOUT,
(char *)(&to),
sizeof(to));
printf("setsockopt return %d\n", ret);
return ret;
}
Return -EINVAL if the timeout value is negative or max than 'INT_MAX / HZ'.
Signed-off-by: ZhangXiaoxu <zhangxiaoxu5@huawei.com>
Acked-by: Simon Horman <horms@verge.net.au>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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drm-intel-fixes
gvt-fixes-2019-01-24
- Fix destroy of shadow batch and indirect ctx (Weinan)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
From: Zhenyu Wang <zhenyuw@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190124054801.GP7203@zhen-hp.sh.intel.com
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Arnd Bergmann pointed out that CONFIG_* cannot be used in a uapi header.
Override with an equivalent conditional.
Fixes: 2e746942ebac ("Input: input_event - provide override for sparc64")
Fixes: 152194fe9c3f ("Input: extend usable life of event timestamps to 2106 on 32 bit systems")
Signed-off-by: Deepa Dinamani <deepa.kernel@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux into fixes
GPIO fixes for 5.0-rc4
- fix from Roger Quadros for a warning resulting from reusing the same
irqchip for multiple pcf857x instances
- fix for missing line event timestamp when using nested interrupts
- two fixes for the sprd driver dealing with value reading and
the irq chip
- fix for the direction_output callback for altera-a10sr
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Record the priority boost we giving to the preempted client or else we
may end up in a situation where the priority queue no longer matches the
request priority order and so we can end up in an infinite loop of
preempting the same pair of requests.
Fixes: e9eaf82d97a2 ("drm/i915: Priority boost for waiting clients")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190123135155.21562-1-chris@chris-wilson.co.uk
(cherry picked from commit 6e062b60b0b1bd82cac475e63cdb8c451647182b)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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max_low_pfn should be pfn_size not byte_size.
Signed-off-by: Guo Ren <ren_guo@c-sky.com>
Signed-off-by: Mao Han <mao_han@c-sky.com>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
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Bit 6 in the ANACAP field is used to indicate that the ANA group ID
doesn't change while the namespace is attached to the controller.
There is an optimisation in the code to only allocate space
for the ANA group header, as the namespace list won't change and
hence would not need to be refreshed.
However, this optimisation was never carried over to the actual
workflow, which always assumes that the buffer is large enough
to hold the ANA header _and_ the namespace list.
So drop this optimisation and always allocate enough space.
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Under heavy load if we don't have any pre-allocated rsps left, we
dynamically allocate a rsp, but we are not actually allocating memory
for nvme_completion (rsp->req.rsp). In such a case, accessing pointer
fields (req->rsp->status) in nvmet_req_init() will result in crash.
To fix this, allocate the memory for nvme_completion by calling
nvmet_rdma_alloc_rsp()
Fixes: 8407879c("nvmet-rdma:fix possible bogus dereference under heavy load")
Cc: <stable@vger.kernel.org>
Reviewed-by: Max Gurtovoy <maxg@mellanox.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Raju Rangoju <rajur@chelsio.com>
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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If the device supports less queues than provided (if the device has less
completion vectors), we might hit a bug due to the fact that we ignore
that in nvme_rdma_map_queues (we override the maps nr_queues with user
opts).
Instead, keep track of how many default/read/poll queues we actually
allocated (rather than asked by the user) and use that to assign our
queue mappings.
Fixes: b65bb777ef22 (" nvme-rdma: support separate queue maps for read and write")
Reported-by: Saleem, Shiraz <shiraz.saleem@intel.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Currently, we have several problems with the timeout
handler:
1. If we timeout on the controller establishment flow, we will hang
because we don't execute the error recovery (and we shouldn't because
the create_ctrl flow needs to fail and cleanup on its own)
2. We might also hang if we get a disconnet on a queue while the
controller is already deleting. This racy flow can cause the controller
disable/shutdown admin command to hang.
We cannot complete a timed out request from the timeout handler without
mutual exclusion from the teardown flow (e.g. nvme_rdma_error_recovery_work).
So we serialize it in the timeout handler and teardown io and admin
queues to guarantee that no one races with us from completing the
request.
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Currently, we have several problems with the timeout
handler:
1. If we timeout on the controller establishment flow, we will hang
because we don't execute the error recovery (and we shouldn't because
the create_ctrl flow needs to fail and cleanup on its own)
2. We might also hang if we get a disconnet on a queue while the
controller is already deleting. This racy flow can cause the controller
disable/shutdown admin command to hang.
We cannot complete a timed out request from the timeout handler without
mutual exclusion from the teardown flow (e.g. nvme_rdma_error_recovery_work).
So we serialize it in the timeout handler and teardown io and admin
queues to guarantee that no one races with us from completing the
request.
Reported-by: Jaesoo Lee <jalee@purestorage.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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This enables proper NLCR processing.
Suggested-by: Anup Patel <anup@brainfault.org>
Signed-off-by: Andreas Schwab <schwab@suse.de>
Reviewed-by: Anup Patel <anup@brainfault.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
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This allows acceleration of cryptography inside QEMU.
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
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Enable generic PCIe by default in the RISC-V defconfig, this allows us
to use QEMU's PCIe support out of the box. CONFIG_RAS=y is
automatically selected by generic PCIe, so it has been dropped from
the defconfig.
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
[Palmer: Split out PCIE_XILINX and CRYPTO_DEV_VIRTIO]
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
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Xen-swiotlb hooks into the arm/arm64 arch code through a copy of the DMA
DMA mapping operations stored in the struct device arch data.
Switching arm64 to use the direct calls for the merged DMA direct /
swiotlb code broke this scheme. Replace the indirect calls with
direct-calls in xen-swiotlb as well to fix this problem.
Fixes: 356da6d0cde3 ("dma-mapping: bypass indirect calls for dma-direct")
Reported-by: Julien Grall <julien.grall@arm.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>
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