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Vitaly Kuznetsov baff59ccdc KVM: Pre-allocate cpumasks for kvm_make_all_cpus_request_except() 
Allocating cpumask dynamically in zalloc_cpumask_var() is not ideal.
Allocation is somewhat slow and can (in theory and when CPUMASK_OFFSTACK)
fail. kvm_make_all_cpus_request_except() already disables preemption so
we can use pre-allocated per-cpu cpumasks instead.

Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Reviewed-by: Sean Christopherson <seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20210903075141.403071-8-vkuznets@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-09-30 04:27:04 -04:00
arch
KVM: Drop 'except' parameter from kvm_make_vcpus_request_mask()
2021-09-30 04:27:04 -04:00
block
blk-cgroup: fix UAF by grabbing blkcg lock before destroying blkg pd
2021-09-15 12:03:18 -06:00
certs
certs: Add support for using elliptic curve keys for signing modules
2021-08-23 19:55:42 +03:00
crypto
Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
2021-08-30 12:57:10 -07:00
Documentation
Devicetree fixes for v5.15, take 2:
2021-09-18 12:40:55 -07:00
drivers
ptp: Fix ptp_kvm_getcrosststamp issue for x86 ptp_kvm
2021-09-30 04:08:15 -04:00
fs
iov_iter.3-5.15-2021-09-17
2021-09-17 09:23:44 -07:00
include
KVM: Drop 'except' parameter from kvm_make_vcpus_request_mask()
2021-09-30 04:27:04 -04:00
init
memblock: introduce saner 'memblock_free_ptr()' interface
2021-09-14 13:23:22 -07:00
ipc
ipc: remove memcg accounting for sops objects in do_semtimedop()
2021-09-14 10:22:11 -07:00
kernel
entry: rseq: Call rseq_handle_notify_resume() in tracehook_notify_resume()
2021-09-22 10:24:01 -04:00
lib
pci_iounmap'2: Electric Boogaloo: try to make sense of it all
2021-09-19 17:13:35 -07:00
LICENSES
LICENSES/dual/CC-BY-4.0: Git rid of "smart quotes"
2021-07-15 06:31:24 -06:00
mm
memblock: introduce saner 'memblock_free_ptr()' interface
2021-09-14 13:23:22 -07:00
net
Networking fixes for 5.15-rc2, including fixes from bpf.
2021-09-16 13:05:42 -07:00
samples
kgdb patches for 5.15
2021-09-07 12:08:04 -07:00
scripts
Kbuild fixes for v5.15
2021-09-19 12:55:12 -07:00
security
Kbuild updates for v5.15
2021-09-03 15:33:47 -07:00
sound
sound fixes for 5.15-rc1
2021-09-09 16:05:10 -07:00
tools
KVM: selftests: Ensure all migrations are performed when test is affined
2021-09-30 04:25:57 -04:00
usr
.gitignore: prefix local generated files with a slash
2021-05-02 00:43:35 +09:00
virt
KVM: Pre-allocate cpumasks for kvm_make_all_cpus_request_except()
2021-09-30 04:27:04 -04:00
.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: update email address of Matthias Fuchs and Thomas Körper
2021-08-19 09:39:44 +02:00
COPYING
COPYING: state that all contributions really are covered by this file
2020-02-10 13:32:20 -08:00
CREDITS
MAINTAINERS: move Murali Karicheri to credits
2021-04-29 15:47:30 -07:00
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: Add Nirmal Patel as VMD maintainer
2021-09-15 16:44:03 -05:00
Makefile
Linux 5.15-rc2
2021-09-19 17:28:22 -07:00
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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