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Josh Poimboeuf 4a5de9b76f objtool: Enable unreachable warnings for CLANG LTO 
With IBT support in, objtool is now fully capable of following vmlinux
code flow in LTO mode.  Start reporting unreachable warnings for Clang
LTO as well.

Fixes: ed53a0d971 ("x86/alternative: Use .ibt_endbr_seal to seal indirect calls")
Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/7b12df54bceeb0761fe9fc8269ea0c00501214a9.1650300597.git.jpoimboe@redhat.com
2022-04-19 21:58:48 +02:00
arch
x86,objtool: Explicitly mark idtentry_body()s tail REACHABLE
2022-04-19 21:58:48 +02:00
block
block: don't print I/O error warning for dead disks
2022-04-15 06:33:03 -06:00
certs
Merge tag 'kbuild-v5.18-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
2022-03-31 11:59:03 -07:00
crypto
Merge tag 'for-5.18/64bit-pi-2022-03-25' of git://git.kernel.dk/linux-block
2022-03-26 12:01:35 -07:00
Documentation
Merge tag 'devicetree-fixes-for-5.18-2' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
2022-04-16 17:07:50 -07:00
drivers
Merge tag 'for-linus-5.18-rc3-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
2022-04-17 10:29:10 -07:00
fs
Merge branch 'akpm' (patches from Andrew)
2022-04-15 15:57:18 -07:00
include
x86,objtool: Mark cpu_startup_entry() __noreturn
2022-04-19 21:58:48 +02:00
init
Merge tag 'kbuild-v5.18-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
2022-03-31 11:59:03 -07:00
ipc
fs: allocate inode by using alloc_inode_sb()
2022-03-22 15:57:03 -07:00
kernel
Merge tag 'timers-urgent-2022-04-17' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2022-04-17 09:53:01 -07:00
lib
lib/strn*,objtool: Enforce user_access_begin() rules
2022-04-19 21:58:47 +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: kmemleak: take a full lowmem check in kmemleak_*_phys()
2022-04-15 14:49:56 -07:00
net
Merge tag 'net-5.18-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2022-04-14 11:58:19 -07:00
samples
Merge tag 'dma-mapping-5.18' of git://git.infradead.org/users/hch/dma-mapping
2022-03-29 08:50:14 -07:00
scripts
objtool: Enable unreachable warnings for CLANG LTO
2022-04-19 21:58:48 +02:00
security
Merge tag 'hardening-v5.18-rc1-fix1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
2022-03-31 11:43:01 -07:00
sound
Merge tag 'sound-5.18-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
2022-04-14 11:08:12 -07:00
tools
x86,objtool: Mark cpu_startup_entry() __noreturn
2022-04-19 21:58:48 +02:00
usr
Merge tag 'kbuild-v5.18-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
2022-03-31 11:59:03 -07:00
virt
Merge tag 'kvmarm-fixes-5.18-1' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD
2022-04-08 12:30:04 -04:00
.clang-format
genirq/msi: Make interrupt allocation less convoluted
2021-12-16 22:22:20 +01:00
.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 Vasily Averin's email address
2022-04-08 14:20:36 -10:00
COPYING
COPYING: state that all contributions really are covered by this file
2020-02-10 13:32:20 -08:00
CREDITS
MAINTAINERS: replace a Microchip AT91 maintainer
2022-02-09 11:30:01 +01:00
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 x86 unwinding entry
2022-04-19 21:58:47 +02:00
Makefile
Linux 5.18-rc3
2022-04-17 13:57:31 -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.
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