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James Clark b7bcc2c269 coresight: Fix issue where a source device's helpers aren't disabled 
[ Upstream commit f68bbe4dcf ]

The linked commit reverts the change that accidentally used some sysfs
enable/disable functions from Perf which broke the refcounting, but it
also removes the fact that the sysfs disable function disabled the
helpers.

Add a new wrapper function that does both which is used by both Perf and
sysfs, and label the sysfs disable function appropriately. The naming of
all of the functions will be tidied up later to avoid this happening
again.

Fixes: 287e82cf69 ("coresight: Fix crash when Perf and sysfs modes are used concurrently")
Signed-off-by: James Clark <james.clark@arm.com>
Link: https://lore.kernel.org/r/20240129154050.569566-2-james.clark@arm.com
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
History 2024-03-26 18:20:05 -04:00
arch arm64: dts: broadcom: bcmbca: bcm4908: drop invalid switch cells 2024-03-26 18:20:05 -04:00
block block: Provide bdev_open_* functions 2024-03-26 18:19:40 -04:00
certs certs: Reference revocation list for all keyrings 2023-08-17 20:12:41 +00:00
crypto crypto: jitter - fix CRYPTO_JITTERENTROPY help text 2024-03-26 18:19:52 -04:00
Documentation dt-bindings: msm: qcom, mdss: Include ommited fam-b compatible 2024-03-26 18:19:47 -04:00
drivers coresight: Fix issue where a source device's helpers aren't disabled 2024-03-26 18:20:05 -04:00
fs nfs: fix panic when nfs4_ff_layout_prepare_ds() fails 2024-03-26 18:20:04 -04:00
include f2fs: fix to truncate meta inode pages forcely 2024-03-26 18:20:03 -04:00
init modules: wait do_free_init correctly 2024-03-26 18:19:55 -04:00
io_uring io_uring/net: correct the type of variable 2024-03-26 18:20:04 -04:00
ipc Add x86 shadow stack support 2023-08-31 12:20:12 -07:00
kernel modules: wait do_free_init correctly 2024-03-26 18:19:55 -04:00
lib net: blackhole_dev: fix build warning for ethh set but not used 2024-03-26 18:19:26 -04:00
LICENSES LICENSES: Add the copyleft-next-0.3.1 license 2022-11-08 15:44:01 +01:00
mm quota: Properly annotate i_dquot arrays with __rcu 2024-03-26 18:19:46 -04:00
net net: sunrpc: Fix an off by one in rpc_sockaddr2uaddr() 2024-03-26 18:20:01 -04:00
rust rust: upgrade to Rust 1.73.0 2024-02-16 19:10:43 +01:00
samples work around gcc bugs with 'asm goto' with outputs 2024-02-23 09:24:47 +01:00
scripts gen_compile_commands: fix invalid escape sequence warning 2024-03-26 18:19:11 -04:00
security landlock: Fix asymmetric private inodes referring 2024-03-06 14:48:39 +00:00
sound ALSA: usb-audio: Stop parsing channels bits when all channels are found. 2024-03-26 18:19:58 -04:00
tools perf pmu: Fix a potential memory leak in perf_pmu__lookup() 2024-03-26 18:19:52 -04:00
usr initramfs: Encode dependency on KBUILD_BUILD_TIMESTAMP 2023-06-06 17:54:49 +09:00
virt ARM: 2023-09-07 13:52:20 -07:00
.clang-format iommu: Add for_each_group_device() 2023-05-23 08:15:51 +02:00
.cocciconfig scripts: add Linux .cocciconfig for coccinelle 2016-07-22 12:13:39 +02:00
.get_maintainer.ignore get_maintainer: add Alan to .get_maintainer.ignore 2022-08-20 15:17:44 -07:00
.gitattributes .gitattributes: set diff driver for Rust source code files 2023-05-31 17:48:25 +02:00
.gitignore kbuild: rpm-pkg: rename binkernel.spec to kernel.spec 2023-07-25 00:59:33 +09:00
.mailmap 20 hotfixes. 12 are cc:stable and the remainder address post-6.5 issues 2023-10-24 09:52:16 -10:00
.rustfmt.toml rust: add .rustfmt.toml 2022-09-28 09:02:20 +02:00
COPYING COPYING: state that all contributions really are covered by this file 2020-02-10 13:32:20 -08:00
CREDITS USB: Remove Wireless USB and UWB documentation 2023-08-09 14:17:32 +02:00
Kbuild Kbuild updates for v6.1 2022-10-10 12:00:45 -07:00
Kconfig kbuild: ensure full rebuild when the compiler is updated 2020-05-12 13:28:33 +09:00
MAINTAINERS MAINTAINERS: add Catherine as xfs maintainer for 6.6.y 2024-02-16 19:10:43 +01:00
Makefile Linux 6.6.22 2024-03-15 14:25:07 -04:00
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.