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Dave Jiang 49047fa486 dmaengine: idxd: add RO check for wq max_transfer_size write 
[ Upstream commit 505a2d1032ae656b0a8c736be110255503941cde ]

Block wq_max_transfer_size_store() when the device is configured as
read-only and not configurable.

Fixes: d7aad5550eca ("dmaengine: idxd: add support for configurable max wq xfer size")
Reported-by: Bernice Zhang <bernice.zhang@intel.com>
Tested-by: Bernice Zhang <bernice.zhang@intel.com>
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/164971488154.2200913.10706665404118545941.stgit@djiang5-desk3.ch.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2022-04-27 14:38:54 +02:00
arch
arm64/mm: drop HAVE_ARCH_PFN_VALID
2022-04-27 14:38:50 +02:00
block
block: simplify the block device syncing code
2022-04-27 14:38:50 +02:00
certs
certs: Add support for using elliptic curve keys for signing modules
2021-08-23 19:55:42 +03:00
crypto
crypto: xts - Add softdep on ecb
2022-04-08 14:23:55 +02:00
Documentation
dt-bindings: net: snps: remove duplicate name
2022-04-20 09:34:21 +02:00
drivers
dmaengine: idxd: add RO check for wq max_transfer_size write
2022-04-27 14:38:54 +02:00
fs
gfs2: assign rgrp glock before compute_bitstructs
2022-04-27 14:38:51 +02:00
include
ipv6: make ip6_rt_gc_expire an atomic_t
2022-04-27 14:38:54 +02:00
init
init/main.c: return 1 from handled __setup() functions
2022-04-13 20:59:10 +02:00
ipc
ipc/sem: do not sleep with a spin lock held
2022-02-08 18:34:03 +01:00
kernel
dma-mapping: remove bogus test for pfn_valid from dma_map_resource
2022-04-27 14:38:50 +02:00
lib
stacktrace: move filter_irq_stacks() to kernel/stacktrace.c
2022-04-13 20:59:28 +02:00
LICENSES
LICENSES/dual/CC-BY-4.0: Git rid of "smart quotes"
2021-07-15 06:31:24 -06:00
mm
mm, kfence: support kmem_dump_obj() for KFENCE objects
2022-04-27 14:38:51 +02:00
net
netlink: reset network and mac headers in netlink_dump()
2022-04-27 14:38:54 +02:00
samples
samples/bpf, xdpsock: Fix race when running for fix duration of time
2022-04-08 14:23:40 +02:00
scripts
gcc-plugins: latent_entropy: use /dev/urandom
2022-04-20 09:34:18 +02:00
security
Fix incorrect type in assignment of ipv6 port for audit
2022-04-08 14:23:55 +02:00
sound
ALSA: hda/hdmi: fix warning about PCM count when used with SOF
2022-04-27 14:38:53 +02:00
tools
perf tools: Fix segfault accessing sample_id xyarray
2022-04-27 14:38:50 +02:00
usr
usr/include/Makefile: add linux/nfc.h to the compile-test coverage
2022-02-01 17:27:15 +01:00
virt
KVM: avoid NULL pointer dereference in kvm_dirty_ring_push
2022-04-13 20:59:26 +02:00
.clang-format
clang-format: Update with the latest for_each macro list
2021-05-12 23:32:39 +02:00
.cocciconfig
…
.get_maintainer.ignore
Opt out of scripts/get_maintainer.pl
2019-05-16 10:53:40 -07:00
.gitattributes
.gitattributes: use 'dts' diff driver for dts files
2019-12-04 19:44:11 -08:00
.gitignore
.gitignore: ignore only top-level modules.builtin
2021-05-02 00:43:35 +09:00
.mailmap
mailmap: add Andrej Shadura
2021-10-18 20:22:03 -10:00
COPYING
COPYING: state that all contributions really are covered by this file
2020-02-10 13:32:20 -08:00
CREDITS
MAINTAINERS: Move Daniel Drake to credits
2021-09-21 08:34:58 +03:00
Kbuild
kbuild: rename hostprogs-y/always to hostprogs/always-y
2020-02-04 01:53:07 +09:00
Kconfig
kbuild: ensure full rebuild when the compiler is updated
2020-05-12 13:28:33 +09:00
MAINTAINERS
MAINTAINERS: adjust file entry for of_net.c after movement
2022-03-08 19:12:53 +01:00
Makefile
Linux 5.15.35
2022-04-20 09:34:22 +02:00
README
Drop all 00-INDEX files from Documentation/
2018-09-09 15:08:58 -06:00

README 

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.
Description
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