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Like Xu 6a74a619d5 KVM: x86/pmu: Accept 0 for absent PMU MSRs when host-initiated if !enable_pmu 
[ Upstream commit 8e6a58e28b34e8d247e772159b8fa8f6bae39192 ]

Whenever an MSR is part of KVM_GET_MSR_INDEX_LIST, as is the case for
MSR_K7_EVNTSEL0 or MSR_F15H_PERF_CTL0, it has to be always retrievable
and settable with KVM_GET_MSR and KVM_SET_MSR.

Accept a zero value for these MSRs to obey the contract.

Signed-off-by: Like Xu <likexu@tencent.com>
Message-Id: <20220601031925.59693-1-likexu@tencent.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2022-08-17 15:16:14 +02:00
arch
KVM: x86/pmu: Accept 0 for absent PMU MSRs when host-initiated if !enable_pmu
2022-08-17 15:16:14 +02:00
block
block: don't allow the same type rq_qos add more than once
2022-08-17 15:16:10 +02:00
certs
certs: make system keyring depend on x509 parser
2022-07-24 12:53:55 -07:00
crypto
crypto: blake2s - remove shash module
2022-08-17 15:16:07 +02:00
Documentation
x86/bugs: Enable STIBP for IBPB mitigated RETBleed
2022-08-17 15:16:05 +02:00
drivers
ACPI: CPPC: Do not prevent CPPC from working in the future
2022-08-17 15:16:13 +02:00
fs
btrfs: join running log transaction when logging new name
2022-08-17 15:16:12 +02:00
include
ACPI: CPPC: Do not prevent CPPC from working in the future
2022-08-17 15:16:13 +02:00
init
stack: Declare {randomize_,}kstack_offset to fix Sparse warnings
2022-08-17 15:14:14 +02:00
io_uring
io_uring: Don't require reinitable percpu_ref
2022-08-17 15:14:20 +02:00
ipc
ipc: Free mq_sysctls if ipc namespace creation failed
2022-06-22 17:47:41 -05:00
kernel
locking/csd_lock: Change csdlock_debug from early_param to __setup
2022-08-17 15:16:09 +02:00
lib
crypto: blake2s - remove shash module
2022-08-17 15:16:07 +02:00
LICENSES
LICENSES/LGPL-2.1: Add LGPL-2.1-or-later as valid identifiers
2021-12-16 14:33:10 +01:00
mm
mm/mmap.c: fix missing call to vm_unacct_memory in mmap_region
2022-08-17 15:15:40 +02:00
net
net/9p: Initialize the iounit field during fid creation
2022-08-17 15:16:09 +02:00
samples
sample: bpf: xdp_router_ipv4: Allow the kernel to send arp requests
2022-08-17 15:14:25 +02:00
scripts
scripts/faddr2line: Fix vmlinux detection on arm64
2022-08-17 15:16:01 +02:00
security
selinux: Add boundary check in put_entry()
2022-08-17 15:14:06 +02:00
sound
ASoC: mchp-spdifrx: disable end of block interrupt on failures
2022-08-17 15:15:57 +02:00
tools
tools/thermal: Fix possible path truncations
2022-08-17 15:16:02 +02:00
usr
Not a lot of material this cycle. Many singleton patches against various
2022-05-27 11:22:03 -07:00
virt
KVM: Don't set Accessed/Dirty bits for ZERO_PAGE
2022-08-17 15:15:21 +02:00
.clang-format
clang-format: Fix space after for_each macros
2022-05-20 19:27:16 +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
kbuild: split the second line of *.mod into *.usyms
2022-05-08 03:16:59 +09:00
.mailmap
ARM: SoC fixes for 5.19, part 4
2022-07-27 09:43:07 -07:00
COPYING
COPYING: state that all contributions really are covered by this file
2020-02-10 13:32:20 -08:00
CREDITS
MAINTAINERS: mark ARM/PALM TREO SUPPORT orphan
2022-07-07 15:17:00 +02:00
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
io_uring: move to separate directory
2022-08-17 15:14:20 +02:00
Makefile
io_uring: move to separate directory
2022-08-17 15:14:20 +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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