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Rafael J. Wysocki a241fc02f1 ACPI: processor: perflib: Avoid updating frequency QoS unnecessarily 
commit 99387b0160 upstream.

Modify acpi_processor_get_platform_limit() to avoid updating its
frequency QoS request when the _PPC return value has not changed
by comparing that value to the previous _PPC return value stored in
the performance_platform_limit field of the struct acpi_processor
corresponding to the given CPU.

While at it, do the _PPC return value check against the state count
earlier, to avoid setting performance_platform_limit to an invalid
value, and make acpi_processor_ppc_init() use FREQ_QOS_MAX_DEFAULT_VALUE
as the "no limit" frequency QoS for consistency.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Tested-by: Hagar Hemdan <hagarhem@amazon.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 		2023-08-11 11:57:44 +02:00
Documentation Documentation: security-bugs.rst: clarify CVE handling 2023-08-11 11:57:41 +02:00
LICENSES
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arch KVM: VMX: Don't fudge CR0 and CR4 for restricted L2 guest 2023-08-11 11:57:43 +02:00
block block/partition: fix signedness issue for Amiga partitions 2023-07-27 08:44:18 +02:00
certs certs/blacklist_hashes.c: fix const confusion in certs blacklist 2022-06-22 14:13:17 +02:00
crypto KEYS: asymmetric: Copy sig and digest in public_key_verify_signature() 2023-06-09 10:30:17 +02:00
drivers ACPI: processor: perflib: Avoid updating frequency QoS unnecessarily 2023-08-11 11:57:44 +02:00
fs ceph: never send metrics if disable_send_metrics is set 2023-08-11 11:57:44 +02:00
include drm/ttm: make ttm_bo_unpin more defensive 2023-08-11 11:57:44 +02:00
init x86/mm: Initialize text poking earlier 2023-08-08 19:57:39 +02:00
io_uring io_uring: don't audit the capability check in io_uring_create() 2023-08-11 11:57:31 +02:00
ipc ipc/sem: Fix dangling sem_array access in semtimedop race 2022-12-08 11:24:00 +01:00
kernel tracing: Fix warning in trace_buffered_event_disable() 2023-08-11 11:57:39 +02:00
lib debugobjects: Recheck debug_objects_enabled before reporting 2023-07-27 08:44:36 +02:00
mm shmem: use ramfs_kill_sb() for kill_sb method of ramfs-based tmpfs 2023-07-27 08:44:13 +02:00
net tipc: stop tipc crypto on failure in tipc_node_create 2023-08-11 11:57:37 +02:00
samples samples: ftrace: Save required argument registers in sample trampolines 2023-07-27 08:44:31 +02:00
scripts modpost: fix off by one in is_executable_section() 2023-07-27 08:44:00 +02:00
security security: keys: Modify mismatched function name 2023-07-27 08:44:39 +02:00
sound ASoC: wm8904: Fill the cache for WM8904_ADC_TEST_0 register 2023-08-11 11:57:44 +02:00
tools x86/srso: Add a Speculative RAS Overflow mitigation 2023-08-08 19:57:40 +02:00
usr usr/include/Makefile: add linux/nfc.h to the compile-test coverage 2022-02-01 17:25:48 +01:00
virt KVM: fix memoryleak in kvm_init() 2023-04-05 11:23:43 +02:00
.clang-format
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.cocciconfig
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.gitattributes
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.gitignore kbuild: generate Module.symvers only when vmlinux exists 2021-05-19 10:12:59 +02:00
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COPYING
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CREDITS
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Kbuild
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Kconfig
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MAINTAINERS Remove DECnet support from kernel 2023-06-21 15:45:38 +02:00
Makefile Linux 5.10.189 2023-08-08 19:57:41 +02:00
README
…

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.