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Radim Krčmář 41d2efaed5 KVM: remember position in kvm->vcpus array 
commit 8750e72a79dda2f665ce17b62049f4d62130d991 upstream.

Fetching an index for any vcpu in kvm->vcpus array by traversing
the entire array everytime is costly.
This patch remembers the position of each vcpu in kvm->vcpus array
by storing it in vcpus_idx under kvm_vcpu structure.

Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
Signed-off-by: Nitesh Narayan Lal <nitesh@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
[borntraeger@de.ibm.com]: backport to 4.19 (also fits for 5.4)
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-09-26 13:39:46 +02:00
arch
s390/bpf: Fix optimizing out zero-extensions
2021-09-26 13:39:46 +02:00
block
block, bfq: honor already-setup queue merges
2021-09-22 11:48:13 +02:00
certs
certs: Trigger creation of RSA module signing key if it's not an RSA key
2021-09-22 11:47:51 +02:00
crypto
crypto: shash - avoid comparing pointers to exported functions under CFI
2021-07-20 16:15:44 +02:00
Documentation
dt-bindings: mtd: gpmc: Fix the ECC bytes vs. OOB bytes equation
2021-09-22 11:48:12 +02:00
drivers
net: renesas: sh_eth: Fix freeing wrong tx descriptor
2021-09-22 11:48:14 +02:00
firmware
Fix built-in early-load Intel microcode alignment
2020-01-23 08:21:29 +01:00
fs
ovl: fix BUG_ON() in may_delete() when called from ovl_cleanup()
2021-09-22 11:48:09 +02:00
include
KVM: remember position in kvm->vcpus array
2021-09-26 13:39:46 +02:00
init
pid: take a reference when initializing cad_pid
2021-06-10 13:24:06 +02:00
ipc
ipc/util.c: sysvipc_find_ipc() incorrectly updates position index
2020-05-20 08:18:40 +02:00
kernel
events: Reuse value read using READ_ONCE instead of re-reading it
2021-09-22 11:48:11 +02:00
lib
bpf/tests: Do not PASS tests without actually testing the result
2021-09-22 11:48:04 +02:00
LICENSES
LICENSES: Remove CC-BY-SA-4.0 license text
2018-10-18 11:28:50 +02:00
mm
mm/memory_hotplug: use "unsigned long" for PFN in zone_for_pfn_range()
2021-09-22 11:48:12 +02:00
net
ip_gre: validate csum_start only on pull
2021-09-22 11:48:14 +02:00
samples
samples: bpf: Fix tracex7 error raised on the missing argument
2021-09-22 11:48:05 +02:00
scripts
scripts/tracing: fix the bug that can't parse raw_trace_func
2021-08-12 13:19:42 +02:00
security
Smack: Fix wrong semantics in smk_access_entry()
2021-09-22 11:48:03 +02:00
sound
ASoC: rockchip: i2s: Fixup config for DAIFMT_DSP_A/B
2021-09-22 11:48:08 +02:00
tools
perf machine: Initialize srcline string member in add_location struct
2021-09-22 11:48:11 +02:00
usr
initramfs: restore default compression behavior
2020-04-13 10:44:59 +02:00
virt
KVM: remember position in kvm->vcpus array
2021-09-26 13:39:46 +02:00
.clang-format
clang-format: Set IndentWrappedFunctionNames false
2018-08-01 18:38:51 +02:00
.cocciconfig
…
.get_maintainer.ignore
…
.gitattributes
.gitattributes: set git diff driver for C source code files
2016-10-07 18:46:30 -07:00
.gitignore
Kbuild updates for v4.17 (2nd)
2018-04-15 17:21:30 -07:00
.mailmap
libnvdimm-for-4.19_misc
2018-08-25 18:13:10 -07:00
COPYING
COPYING: use the new text with points to the license files
2018-03-23 12:41:45 -06:00
CREDITS
9p: remove Ron Minnich from MAINTAINERS
2018-08-17 16:20:26 -07:00
Kbuild
Kbuild updates for v4.15
2017-11-17 17:45:29 -08:00
Kconfig
kconfig: move the "Executable file formats" menu to fs/Kconfig.binfmt
2018-08-02 08:06:55 +09:00
MAINTAINERS
Documentation/llvm: add documentation on building w/ Clang/LLVM
2020-09-26 18:01:31 +02:00
Makefile
Linux 4.19.207
2021-09-22 11:48:14 +02:00
README
Docs: Added a pointer to the formatted docs to README
2018-03-21 09:02:53 -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.
See Documentation/00-INDEX for a list of what is contained in each file.

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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