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49200d17d27d5cc1aede2d1bb2a78dbfc1563e65
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Andy Lutomirski 49200d17d2 x86/fpu/64: Don't FNINIT in kernel_fpu_begin() 
The remaining callers of kernel_fpu_begin() in 64-bit kernels don't use 387
instructions, so there's no need to sanitize the FPU state.  Skip it to get
most of the performance we lost back.

Reported-by: Krzysztof Olędzki <ole@ans.pl>
Signed-off-by: Andy Lutomirski <luto@kernel.org>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lkml.kernel.org/r/57f8841ccbf9f3c25a23196c888f5f6ec5887577.1611205691.git.luto@kernel.org
2021-01-29 12:27:47 +01:00
arch
x86/fpu/64: Don't FNINIT in kernel_fpu_begin()
2021-01-29 12:27:47 +01:00
block
Merge tag 'block-5.11-2021-01-10' of git://git.kernel.dk/linux-block
2021-01-10 12:53:08 -08:00
certs
.gitignore: add SPDX License Identifier
2020-03-25 11:50:48 +01:00
crypto
X.509: Fix crash caused by NULL pointer
2021-01-20 11:33:51 -08:00
Documentation
Merge branch 'akpm' (patches from Andrew)
2021-01-24 12:16:34 -08:00
drivers
Merge tag 'sh-for-5.11' of git://git.libc.org/linux-sh
2021-01-24 13:52:02 -08:00
fs
Merge tag 'io_uring-5.11-2021-01-24' of git://git.kernel.dk/linux-block
2021-01-24 12:30:14 -08:00
include
Merge tag 'block-5.11-2021-01-24' of git://git.kernel.dk/linux-block
2021-01-24 12:24:35 -08:00
init
Revert "init/console: Use ttynull as a fallback when there is no console"
2021-01-08 11:02:18 -08:00
ipc
Merge branch 'akpm' (patches from Andrew)
2020-12-15 12:53:37 -08:00
kernel
Merge tag 'irq_urgent_for_v5.11_rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2021-01-24 10:24:20 -08:00
lib
ubsan: disable unsigned-overflow check for i386
2021-01-24 10:34:52 -08:00
LICENSES
LICENSES: Add the CC-BY-4.0 license
2020-12-08 10:33:27 -07:00
mm
mm/highmem: prepare for overriding set_pte_at()
2021-01-24 10:34:52 -08:00
net
Merge tag 'ceph-for-5.11-rc5' of git://github.com/ceph/ceph-client
2021-01-22 13:47:25 -08:00
samples
Merge tag 'arm-soc-drivers-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
2020-12-16 16:38:41 -08:00
scripts
Merge tag 'kbuild-fixes-v5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
2021-01-10 13:24:55 -08:00
security
dump_common_audit_data(): fix racy accesses to ->d_name
2021-01-16 15:11:35 -05:00
sound
ALSA: usb-audio: Fix hw constraints dependencies
2021-01-20 21:46:45 +01:00
tools
Merge tag 'objtool_urgent_for_v5.11_rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2021-01-24 10:17:03 -08:00
usr
Merge branch 'work.fdpic' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2020-08-07 13:29:39 -07:00
virt
Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
2021-01-08 15:06:02 -08:00
.clang-format
Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma
2020-10-17 11:18:18 -07:00
.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: docs: ignore sphinx_*/ directories
2020-09-10 10:44:31 -06:00
.mailmap
MAINTAINERS: Update my email address
2021-01-15 23:55:16 +01:00
COPYING
COPYING: state that all contributions really are covered by this file
2020-02-10 13:32:20 -08:00
CREDITS
MAINTAINERS: dccp: move Gerrit Renker to CREDITS
2021-01-14 10:53:49 -08:00
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
Merge branch 'akpm' (patches from Andrew)
2021-01-24 12:16:34 -08:00
Makefile
Linux 5.11-rc5
2021-01-24 16:47:14 -08:00
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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