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The source for the Linux kernel used in Windows Subsystem for Linux 2 (WSL2)
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James Clark 4d16685865 coresight: no-op refactor to make INSTP0 check more idiomatic 
[ Upstream commit d05bbad013 ]

The spec says this:

  P0 tracing support field. The permitted values are:
      0b00  Tracing of load and store instructions as P0 elements is not
            supported.
      0b11  Tracing of load and store instructions as P0 elements is
            supported, so TRCCONFIGR.INSTP0 is supported.

            All other values are reserved.

The value we are looking for is 0b11 so simplify this. The double read
and && was a bit obfuscated.

Suggested-by: Suzuki Poulose <suzuki.poulose@arm.com>
Signed-off-by: James Clark <james.clark@arm.com>
Link: https://lore.kernel.org/r/20220203115336.119735-2-james.clark@arm.com
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Stable-dep-of: 46bf8d7cd853 ("coresight: etm4x: Safe access for TRCQCLTR")
Signed-off-by: Sasha Levin <sashal@kernel.org>
 		2024-06-16 13:39:37 +02:00
Documentation dt-bindings: PCI: rcar-pci-host: Add missing IOMMU properties 2024-06-16 13:39:35 +02:00
LICENSES LICENSES/dual/CC-BY-4.0: Git rid of "smart quotes" 2021-07-15 06:31:24 -06:00
arch x86/insn: Fix PUSH instruction in x86 instruction decoder opcode map 2024-06-16 13:39:31 +02:00
block blk-iocost: avoid out of bounds shift 2024-05-17 11:50:54 +02:00
certs certs/blacklist_hashes.c: fix const confusion in certs blacklist 2022-06-22 14:22:01 +02:00
crypto Revert "crypto: api - Disallow identical driver names" 2024-05-02 16:24:47 +02:00
drivers coresight: no-op refactor to make INSTP0 check more idiomatic 2024-06-16 13:39:37 +02:00
fs f2fs: fix to check pinfile flag in f2fs_move_file_range() 2024-06-16 13:39:36 +02:00
include drm/mipi-dsi: use correct return type for the DSC functions 2024-06-16 13:39:30 +02:00
init init/main.c: Fix potential static_command_line memory overflow 2024-04-27 17:05:28 +02:00
io_uring io_uring: ensure '0' is returned on file registration success 2024-04-10 16:19:37 +02:00
ipc ipc/sem: Fix dangling sem_array access in semtimedop race 2022-12-08 11:28:45 +01:00
kernel sched/core: Fix incorrect initialization of the 'burst' parameter in cpu_max_write() 2024-06-16 13:39:34 +02:00
lib mm/slub, kunit: Use inverted data to corrupt kmem cache 2024-06-16 13:39:16 +02:00
mm x86/mm/pat: fix VM_PAT handling in COW mappings 2024-04-13 13:01:47 +02:00
net af_packet: do not call packet_read_pending() from tpacket_destruct_skb() 2024-06-16 13:39:33 +02:00
samples samples/hw_breakpoint: fix building without module unloading 2023-09-23 11:10:01 +02:00
scripts kbuild: Disable KCSAN for autogenerated *.mod.c intermediaries 2024-05-17 11:50:53 +02:00
security KEYS: trusted: Do not use WARN when encode fails 2024-05-25 16:20:18 +02:00
sound ASoC: kirkwood: Fix potential NULL dereference 2024-06-16 13:39:27 +02:00
tools selftests: net: bridge: increase IGMP/MLD exclude timeout membership interval 2024-06-16 13:39:33 +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: Always flush async #PF workqueue when vCPU is being destroyed 2024-04-10 16:18:34 +02:00
.clang-format clang-format: Update with the latest for_each macro list 2021-05-12 23:32:39 +02:00
.cocciconfig scripts: add Linux .cocciconfig for coccinelle 2016-07-22 12:13:39 +02:00
.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 trace: Relocate event helper files 2024-04-10 16:19:24 +02:00
Makefile Linux 5.15.160 2024-05-25 16:20:19 +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.