A number of driver bug fixes and a few recent regressions:
- Several bug fixes for bnxt_re. Crashing, incorrect data reported,
and corruption on new HW
- Memory leak and crash in rxe
- Fix sysfs corruption in rxe if the netdev name is too long
- Fix a crash on error unwind in the new cq_pool code
- Fix kobject panics in rtrs by working device lifetime properly
- Fix a data corruption bug in iser target related to misaligned buffers
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma
Pull rdma fixes from Jason Gunthorpe:
"A number of driver bug fixes and a few recent regressions:
- Several bug fixes for bnxt_re. Crashing, incorrect data reported,
and corruption on new HW
- Memory leak and crash in rxe
- Fix sysfs corruption in rxe if the netdev name is too long
- Fix a crash on error unwind in the new cq_pool code
- Fix kobject panics in rtrs by working device lifetime properly
- Fix a data corruption bug in iser target related to misaligned
buffers"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma:
IB/isert: Fix unaligned immediate-data handling
RDMA/rtrs-srv: Set .release function for rtrs srv device during device init
RDMA/bnxt_re: Remove set but not used variable 'qplib_ctx'
RDMA/core: Fix reported speed and width
RDMA/core: Fix unsafe linked list traversal after failing to allocate CQ
RDMA/bnxt_re: Remove the qp from list only if the qp destroy succeeds
RDMA/bnxt_re: Fix driver crash on unaligned PSN entry address
RDMA/bnxt_re: Restrict the max_gids to 256
RDMA/bnxt_re: Static NQ depth allocation
RDMA/bnxt_re: Fix the qp table indexing
RDMA/bnxt_re: Do not report transparent vlan from QP1
RDMA/mlx4: Read pkey table length instead of hardcoded value
RDMA/rxe: Fix panic when calling kmem_cache_create()
RDMA/rxe: Fix memleak in rxe_mem_init_user
RDMA/rxe: Fix the parent sysfs read when the interface has 15 chars
RDMA/rtrs-srv: Replace device_register with device_initialize and device_add
Using gcov to collect coverage data for kernels compiled with GCC 10.1
causes random malfunctions and kernel crashes. This is the result of a
changed GCOV_COUNTERS value in GCC 10.1 that causes a mismatch between
the layout of the gcov_info structure created by GCC profiling code and
the related structure used by the kernel.
Fix this by updating the in-kernel GCOV_COUNTERS value. Also re-enable
config GCOV_KERNEL for use with GCC 10.
Reported-by: Colin Ian King <colin.king@canonical.com>
Reported-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Peter Oberparleiter <oberpar@linux.ibm.com>
Tested-by: Leon Romanovsky <leonro@nvidia.com>
Tested-and-Acked-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* powercap:
powercap: make documentation reflect code
powercap/intel_rapl: add support for AlderLake
powercap/intel_rapl: add support for RocketLake
powercap/intel_rapl: add support for TigerLake Desktop
kmemdup can be used instead of kmalloc+memcpy. Replace an occurrence of
this pattern.
Issue identified with Coccinelle.
Signed-off-by: Alex Dewar <alex.dewar90@gmail.com>
Acked-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200909190213.156302-1-alex.dewar90@gmail.com
It's not supported to specify more than one of those flags.
So it never made sense to make this a flag in the first place.
Nuke the flags and specify directly which memory type to use.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/389826/?series=81551&rev=1
Those are going to be removed, stop using them here.
Instead use the GEM flags from the UAPI.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/389825/?series=81551&rev=1
Those are going to be removed, stop using them here.
Instead define separate flags for the helper.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/389823/?series=81551&rev=1
Clang warns:
drivers/gpu/drm/vc4/vc4_plane.c:901:27: warning: operator '?:' has lower
precedence than '|'; '|' will be evaluated first
[-Wbitwise-conditional-parentheses]
fb->format->has_alpha ?
~~~~~~~~~~~~~~~~~~~~~ ^
drivers/gpu/drm/vc4/vc4_plane.c:901:27: note: place parentheses around
the '|' expression to silence this warning
fb->format->has_alpha ?
~~~~~~~~~~~~~~~~~~~~~ ^
drivers/gpu/drm/vc4/vc4_plane.c:901:27: note: place parentheses around
the '?:' expression to evaluate it first
fb->format->has_alpha ?
~~~~~~~~~~~~~~~~~~~~~~^
1 warning generated.
Add the parentheses as that was clearly intended, otherwise
SCALER5_CTL2_ALPHA_PREMULT won't be added to the list.
Fixes: c54619b0bf ("drm/vc4: Add support for the BCM2711 HVS5")
Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
Link: https://github.com/ClangBuiltLinux/linux/issues/1150
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20200910171831.4112580-1-natechancellor@gmail.com
Clang warns 100+ times in the vc4 driver along the lines of:
drivers/gpu/drm/vc4/vc4_hdmi_phy.c:518:13: warning: implicit conversion
from enumeration type 'enum vc4_hdmi_field' to different enumeration
type 'enum vc4_hdmi_regs' [-Wenum-conversion]
HDMI_WRITE(HDMI_TX_PHY_POWERDOWN_CTL,
~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
The HDMI_READ and HDMI_WRITE macros pass in enumerators of type
vc4_hdmi_field but vc4_hdmi_write and vc4_hdmi_read expect a enumerator
of type vc4_hdmi_regs, causing a warning for every instance of this.
Update the parameter type so there is no more mismatch.
Fixes: 311e305fdb ("drm/vc4: hdmi: Implement a register layout abstraction")
Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
Link: https://github.com/ClangBuiltLinux/linux/issues/1149
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20200910170401.3857250-1-natechancellor@gmail.com
This function always return '0' and no callers use the return value. So
make it a void function.
This eliminates the following coccicheck warning:
drivers/gpu/drm/i810/i810_dma.c:860:8-11: Unneeded variable: "ret".
Return "0" on line 885
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Jason Yan <yanaijie@huawei.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20200910140610.1191578-1-yanaijie@huawei.com
Gets rid of drmm_add_final_kfree, which I want to unexport so that it
stops confusion people about this transitional state of rolling drm
managed memory out.
This also fixes the missing drm_dev_put in the error path of the probe
code.
v2: Drop the misplaced drm_dev_put from zynqmp_dpsub_drm_init (all
other paths leaked on error, this should have been in
zynqmp_dpsub_probe), now that subsumed by the auto-cleanup of
devm_drm_dev_alloc.
Reviewed-by: Hyun Kwon <hyun.kwon@xilinx.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Cc: Hyun Kwon <hyun.kwon@xilinx.com>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Michal Simek <michal.simek@xilinx.com>
Cc: linux-arm-kernel@lists.infradead.org
Link: https://patchwork.freedesktop.org/patch/msgid/20200907082225.150837-1-daniel.vetter@ffwll.ch
This means we also need to slightly restructure the exit code, so that
final cleanup of the drm_device is triggered by unregistering the
platform device. Note that devres is both clean up when the driver is
unbound (not the case for vkms, we don't bind), and also when unregistering
the device (very much the case for vkms). Therefore we can rely on devres
even though vkms isn't a proper platform device driver.
This also somewhat untangles the load code, since the drm and platform device
setup are no longer interleaved, but two distinct steps.
v2: use devres_open/release_group so we can use devm without real
hacks in the driver core or having to create an entire fake bus for
testing drivers. Might want to extract this into helpers eventually,
maybe as a mock_drm_dev_alloc or test_drm_dev_alloc.
v3: Only deref vkms_device after checking it (Melissa)
Reviewed-by: Melissa Wen <melissa.srw@gmail.com>
Cc: Melissa Wen <melissa.srw@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Cc: Rodrigo Siqueira <rodrigosiqueiramelo@gmail.com>
Cc: Haneen Mohammed <hamohammed.sa@gmail.com>
Cc: Daniel Vetter <daniel@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20200909091833.440548-1-daniel.vetter@ffwll.ch
This means we also need to slightly restructure the exit code, so that
final cleanup of the drm_device is triggered by unregistering the
platform device. Note that devres is both clean up when the driver is
unbound (not the case for vgem, we don't bind), and also when unregistering
the device (very much the case for vgem). Therefore we can rely on devres
even though vgem isn't a proper platform device driver.
This also somewhat untangles the load code, since the drm and platform device
setup are no longer interleaved, but two distinct steps.
v2: use devres_open/release_group so we can use devm without real
hacks in the driver core or having to create an entire fake bus for
testing drivers. Might want to extract this into helpers eventually,
maybe as a mock_drm_dev_alloc or test_drm_dev_alloc.
v3: Fix error code handling (Melissa)
Cc: Melissa Wen <melissa.srw@gmail.com>
Reviewed-by: Melissa Wen <melissa.srw@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Emil Velikov <emil.velikov@collabora.com>
Cc: Sean Paul <seanpaul@chromium.org>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: Rob Clark <robdclark@chromium.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20200909120745.716178-1-daniel.vetter@ffwll.ch
Also remove the now no longer needed build bug on since that's already
not needed anymore with drmm_add_final_kfree. Conversion to managed
drm_device cleanup is easy, the final drm_dev_put() is already the
last thing in both the bind unbind as in the unbind flow.
Also, this relies on component.c correctly wrapping bind&unbind in
separate devres groups, which it does.
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>
Cc: Russell King <linux@armlinux.org.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20200904143941.110665-2-daniel.vetter@ffwll.ch
- Fix double free in virtio.
- Add missing put_device in sun4i, and other fixes.
- Small ingenic fixes.
- Handle sun4i alpha on lowest plane correctly.
- Remove output->enabled from virtio, as it should use crtc_state.
- Fix tve200 enable/disable.
- Documentation fix.
- Fix virtio unblank.
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Merge tag 'drm-misc-fixes-2020-09-09' of git://anongit.freedesktop.org/drm/drm-misc into drm-fixes
drm-misc-fixes for v5.9-rc5:
- Fix double free in virtio.
- Add missing put_device in sun4i, and other fixes.
- Small ingenic fixes.
- Handle sun4i alpha on lowest plane correctly.
- Remove output->enabled from virtio, as it should use crtc_state.
- Fix tve200 enable/disable.
- Documentation fix.
- Fix virtio unblank.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/478b49d1-b1b3-c983-7056-8a89249be435@mblankhorst.nl
This introduces some bug fixes including 1) SMR drive fix, 2) infinite loop
when building free node ids, 3) EOF at DIO read.
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Merge tag 'f2fs-for-5.9-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs
Pull f2fs fixes from Jaegeuk Kim:
"Small bug fixes for:
- SMR drive fix
- infinite loop when building free node ids
- EOF at DIO read"
* tag 'f2fs-for-5.9-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs:
f2fs: Return EOF on unaligned end of file DIO read
f2fs: fix indefinite loop scanning for free nid
f2fs: Fix type of section block count variables
Fix up the documentation of the struct powercap_control_type members
to match the code.
Also fixup stray whitespace.
Signed-off-by: Amit Kucheria <amitk@kernel.org>
[ rjw: Changelog edits ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Fix kernel-doc warning in <linux/device.h>:
../include/linux/device.h:613: warning: Function parameter or member 'em_pd' not described in 'device'
Fixes: 1bc138c622 ("PM / EM: add support for other devices than CPUs in Energy Model")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Reviewed-by: Lukasz Luba <lukasz.luba@arm.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Add intel_rapl support for the AlderLake platform.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Add intel_rapl support for the RocketLake platform.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Add intel_rapl support for the TigerLake desktop platform.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This reverts commit 14775b0496 as there
were still some parsing problems with it, and the follow-on patch for
it.
Let's revisit it later, just drop it for now.
Cc: <jbaron@akamai.com>
Cc: Jim Cromie <jim.cromie@gmail.com>
Reported-by: Naresh Kamboju <naresh.kamboju@linaro.org>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Fixes: 14775b0496 ("dyndbg: accept query terms like file=bar and module=foo")
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This reverts commit 42f07816ac as it
still causes problems. It will be resolved later, let's revert it so we
can also revert the original patch this was supposed to be helping with.
Reported-by: Naresh Kamboju <naresh.kamboju@linaro.org>
Fixes: 42f07816ac ("dyndbg: fix problem parsing format="foo bar"")
Cc: Jim Cromie <jim.cromie@gmail.com>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
On non-EFI systems, it wasn't possible to test the platform firmware
loader because it will have never set "checked_fw" during __init.
Instead, allow the test code to override this check. Additionally split
the declarations into a private symbol namespace so there is greater
enforcement of the symbol visibility.
Fixes: 548193cba2 ("test_firmware: add support for firmware_request_platform")
Cc: stable@vger.kernel.org
Signed-off-by: Kees Cook <keescook@chromium.org>
Acked-by: Ard Biesheuvel <ardb@kernel.org>
Link: https://lore.kernel.org/r/20200909225354.3118328-1-keescook@chromium.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This function should be an int, not a bool.
Presumably because we had the same 2 reverts in a slightly different
way, git got confused.
Thanks to Dan for reporting. :)
The conflict is between the 3 reverts in drm-fixes:
4993a8a378 ("Revert "drm/i915: Remove i915_gem_object_get_dirty_page()"")
ad5d95e4d5 ("Revert "drm/i915/gem: Async GPU relocations only"")
20561da3a2 ("Revert "drm/i915/gem: Delete unused code"")
And the slightly different combined revert in drm-intel-gt-next, but
with the same goal:
102a0a9051 ("Revert "drm/i915/gem: Async GPU relocations only"")
In the merge commit 1f4b2aca79 ("Merge tag
'drm-intel-gt-next-2020-09-07' of git://anongit.freedesktop.org/drm/drm-intel into drm-next") things
went wrong, but the merge commit view now doesn't show any conflict
anymore (as git tends to do when the resolution picks one or the other
branch).
The need to handle other than just true/false error codes in
__reloc_entry_gpu was added in the dma_resv locking changes in
c43ce12328 ("drm/i915: Use per object locking in execbuf, v12.")
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Dave Airlie <airlied@redhat.com>
[danvet: Explain this entire saga a lot better, adding tons of commit
references. Also note that this was merged before full intel-gfx-CI
results, only after BAT, since the breakage at the BAT run is already
severe enough to block all pre-merge testing.]
Fixes: 1f4b2aca79 ("Merge tag 'drm-intel-gt-next-2020-09-07' of git://anongit.freedesktop.org/drm/drm-intel into drm-next")
Acked-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20200910111225.2184193-1-maarten.lankhorst@linux.intel.com
The GPU 'CONFIG' registers used to work around hardware issues are
cleared on reset so need to be programmed every time the GPU is reset.
However panfrost_device_reset() failed to do this.
To avoid this in future instead move the call to
panfrost_gpu_init_quirks() to panfrost_gpu_power_on() so that the
regsiters are always programmed just before the cores are powered.
Fixes: f3ba91228e ("drm/panfrost: Add initial panfrost driver")
Signed-off-by: Steven Price <steven.price@arm.com>
Reviewed-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200909122957.51667-1-steven.price@arm.com
The variant->registers[] has ->num_registers elements so the >
comparison needs to be changes to >= to prevent an out of bounds
access.
Fixes: 311e305fdb ("drm/vc4: hdmi: Implement a register layout abstraction")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20200910100748.GA79916@mwanda
When compiling for 32bit platforms, the compilation fails with:
ERROR: modpost: "__aeabi_ldivmod"
[drivers/gpu/drm/imx/dcss/imx-dcss.ko] undefined!
ERROR: modpost: "__aeabi_uldivmod"
[drivers/gpu/drm/imx/dcss/imx-dcss.ko] undefined!
This patch adds a dependency on ARM64 since no 32bit SoCs have DCSS, so far.
Signed-off-by: Laurentiu Palcu <laurentiu.palcu@oss.nxp.com>
Reported-by: Daniel Vetter <daniel@ffwll.ch>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20200910095250.7663-1-laurentiu.palcu@oss.nxp.com
On MMIO a new set of registers is defined for finding SHM
regions. Add their definitions and use them to find the region.
Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
Cc: kvm@vger.kernel.org
Cc: virtualization@lists.linux-foundation.org
Cc: "Michael S. Tsirkin" <mst@redhat.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
On PCI the shm regions are found using capability entries;
find a region by searching for the capability.
Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: kbuild test robot <lkp@intel.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Cc: kvm@vger.kernel.org
Cc: virtualization@lists.linux-foundation.org
Cc: "Michael S. Tsirkin" <mst@redhat.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Virtio defines 'shared memory regions' that provide a continuously
shared region between the host and guest.
Provide a method to find a particular region on a device.
Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Cc: kvm@vger.kernel.org
Cc: virtualization@lists.linux-foundation.org
Cc: "Michael S. Tsirkin" <mst@redhat.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Kbuild warns when this file is built as a loadable module:
WARNING: modpost: missing MODULE_LICENSE() in drivers/gpu/drm/panel/panel-samsung-s6e63m0.o
Add the missing license/author/description tags.
Fixes: b7b23e4476 ("drm/panel: s6e63m0: Break out SPI transport")
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20200909134137.32284-1-yuehaibing@huawei.com
Pull crypto fix from Herbert Xu:
"This fixes a regression in padata"
* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
padata: fix possible padata_works_lock deadlock
The string was incorrectly defined before from least to most specific,
swap the compatible strings accordingly.
Fixes: ff73917d38 ("ARM64: dts: Add QSPI Device Tree node for NS2")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
The string was incorrectly defined before from least to most
specific, swap the compatible strings accordingly.
Fixes: 1c8f406507 ("ARM: dts: BCM5301X: convert to iProc QSPI")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
The string was incorrectly defined before from least to most
specific, swap the compatible strings accordingly.
Fixes: 329f98c197 ("ARM: dts: NSP: Add QSPI nodes to NSPI and bcm958625k DTSes")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
The string was incorrectly defined before from least to most specific,
swap the compatible strings accordingly.
Fixes: b9099ec754 ("ARM: dts: Add Broadcom Hurricane 2 DTS include file")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
The binding is currently incorrectly defining the compatible strings
from least specifice to most specific instead of the converse. Re-order
them from most specific (left) to least specific (right) and fix the
examples as well.
Fixes: 5fc78f4c84 ("spi: Broadcom BRCMSTB, NSP, NS2 SoC bindings")
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Highlights include:
Bugfixes:
- Fix an NFS/RDMA resource leak
- Fix the error handling during delegation recall
- NFSv4.0 needs to return the delegation on a zero-stateid SETATTR
- Stop printk reading past end of string
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Merge tag 'nfs-for-5.9-2' of git://git.linux-nfs.org/projects/trondmy/linux-nfs
Pull NFS client bugfixes from Trond Myklebust:
- Fix an NFS/RDMA resource leak
- Fix the error handling during delegation recall
- NFSv4.0 needs to return the delegation on a zero-stateid SETATTR
- Stop printk reading past end of string
* tag 'nfs-for-5.9-2' of git://git.linux-nfs.org/projects/trondmy/linux-nfs:
SUNRPC: stop printk reading past end of string
NFS: Zero-stateid SETATTR should first return delegation
NFSv4.1 handle ERR_DELAY error reclaiming locking state on delegation recall
xprtrdma: Release in-flight MRs on disconnect
Currently we allocate rx buffers in a single contiguous buffers for
headers (iser and iscsi) and data trailer. This means that most likely the
data starting offset is aligned to 76 bytes (size of both headers).
This worked fine for years, but at some point this broke, resulting in
data corruptions in isert when a command comes with immediate data and the
underlying backend device assumes 512 bytes buffer alignment.
We assume a hard-requirement for all direct I/O buffers to be 512 bytes
aligned. To fix this, we should avoid passing unaligned buffers for I/O.
Instead, we allocate our recv buffers with some extra space such that we
can have the data portion align to 512 byte boundary. This also means that
we cannot reference headers or data using structure but rather
accessors (as they may move based on alignment). Also, get rid of the
wrong __packed annotation from iser_rx_desc as this has only harmful
effects (not aligned to anything).
This affects the rx descriptors for iscsi login and data plane.
Fixes: 3d75ca0ade ("block: introduce multi-page bvec helpers")
Link: https://lore.kernel.org/r/20200904195039.31687-1-sagi@grimberg.me
Reported-by: Stephen Rust <srust@blockbridge.com>
Tested-by: Doug Dumitru <doug@dumitru.com>
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
The device .release function was not being set during the device
initialization. This was leading to the below warning, in error cases when
put_srv was called before device_add was called.
Warning:
Device '(null)' does not have a release() function, it is broken and must
be fixed. See Documentation/kobject.txt.
So, set the device .release function during device initialization in the
__alloc_srv() function.
Fixes: baa5b28b7a ("RDMA/rtrs-srv: Replace device_register with device_initialize and device_add")
Link: https://lore.kernel.org/r/20200907102216.104041-1-haris.iqbal@cloud.ionos.com
Signed-off-by: Md Haris Iqbal <haris.iqbal@cloud.ionos.com>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Acked-by: Jack Wang <jinpu.wang@cloud.ionos.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
