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Peter Zijlstra 1cc1e4c8aa objtool: Add straight-line-speculation validation 
Teach objtool to validate the straight-line-speculation constraints:

 - speculation trap after indirect calls
 - speculation trap after RET

Notable: when an instruction is annotated RETPOLINE_SAFE, indicating
  speculation isn't a problem, also don't care about sls for that
  instruction.

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lore.kernel.org/r/20211204134908.023037659@infradead.org
2021-12-08 19:26:50 +01:00
arch
x86: Prepare inline-asm for straight-line-speculation
2021-12-08 19:23:12 +01:00
block
block: call rq_qos_done() before ref check in batch completions
2021-11-26 09:53:23 -07:00
certs
certs: Add support for using elliptic curve keys for signing modules
2021-08-23 19:55:42 +03:00
crypto
Merge tag 'zstd-for-linus-v5.16' of git://github.com/terrelln/linux
2021-11-13 15:32:30 -08:00
Documentation
Merge tag 'pm-5.16-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
2021-12-03 12:22:56 -08:00
drivers
Merge tag 'for-5.16/parisc-6' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux
2021-12-05 12:58:18 -08:00
fs
Merge tag 'xfs-5.16-fixes-2' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux
2021-12-04 17:22:53 -08:00
include
Merge tag 'sched_urgent_for_v5.16_rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2021-12-05 08:53:31 -08:00
init
kbuild: Fix -Wimplicit-fallthrough=5 error for GCC 5.x and 6.x
2021-11-14 18:59:49 -08:00
ipc
shm: extend forced shm destroy to support objects from several IPC nses
2021-11-20 10:35:54 -08:00
kernel
Merge tag 'timers_urgent_for_v5.16_rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2021-12-05 08:58:52 -08:00
lib
siphash: use _unaligned version by default
2021-11-29 19:50:50 -08:00
LICENSES
LICENSES/dual/CC-BY-4.0: Git rid of "smart quotes"
2021-07-15 06:31:24 -06:00
mm
Merge tag 'folio-5.16b' of git://git.infradead.org/users/willy/pagecache
2021-11-25 10:13:56 -08:00
net
Merge tag 'net-5.16-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2021-12-02 11:22:06 -08:00
samples
x86: Prepare inline-asm for straight-line-speculation
2021-12-08 19:23:12 +01:00
scripts
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid
2021-11-24 09:44:13 -08:00
security
selinux: fix NULL-pointer dereference when hashtab allocation fails
2021-11-19 16:11:39 -05:00
sound
Merge tag 'sound-5.16-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
2021-12-01 10:07:39 -08:00
tools
objtool: Add straight-line-speculation validation
2021-12-08 19:26:50 +01:00
usr
initramfs: Check timestamp to prevent broken cpio archive
2021-10-24 13:48:40 +09:00
virt
KVM: downgrade two BUG_ONs to WARN_ON_ONCE
2021-11-26 06:43:28 -05:00
.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
MAINTAINERS: update email address of Christian Borntraeger
2021-11-18 17:50:54 +01:00
COPYING
COPYING: state that all contributions really are covered by this file
2020-02-10 13:32:20 -08:00
CREDITS
MAINTAINERS: Move Daniel Drake to credits
2021-09-21 08:34:58 +03:00
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 tag 'tty-5.16-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
2021-12-05 09:13:20 -08:00
Makefile
x86: Move RETPOLINE*_CFLAGS to arch Makefile
2021-12-08 11:39:42 +01:00
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.
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