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Filename Latest commit message Latest commit date
Josh Poimboeuf bcb6fb5da7 objtool: Support GCC 9 cold subfunction naming scheme
Starting with GCC 8, a lot of unlikely code was moved out of line to
"cold" subfunctions in .text.unlikely.

For example, the unlikely bits of:

  irq_do_set_affinity()

are moved out to the following subfunction:

  irq_do_set_affinity.cold.49()

Starting with GCC 9, the numbered suffix has been removed.  So in the
above example, the cold subfunction is instead:

  irq_do_set_affinity.cold()

Tweak the objtool subfunction detection logic so that it detects both
GCC 8 and GCC 9 naming schemes.

Reported-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/015e9544b1f188d36a7f02fa31e9e95629aa5f50.1541040800.git.jpoimboe@redhat.com
2018-11-01 09:55:38 +01:00
arch RISC-V Patches for the 4.20 Merge Window, Part 2 v2 2018-10-31 16:20:28 -07:00
block mm: remove include/linux/bootmem.h 2018-10-31 08:54:16 -07:00
certs
crypto Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2018-10-25 16:43:35 -07:00
Documentation The highlights are: 2018-10-31 14:42:31 -07:00
drivers chrome-platform for v4.20 2018-10-31 16:47:55 -07:00
firmware
fs fuse update for 4.20 2018-10-31 14:50:02 -07:00
include chrome-platform for v4.20 2018-10-31 16:47:55 -07:00
init memblock: stop using implicit alignment to SMP_CACHE_BYTES 2018-10-31 08:54:16 -07:00
ipc ipc: IPCMNI limit check for semmni 2018-10-31 08:54:14 -07:00
kernel memblock: stop using implicit alignment to SMP_CACHE_BYTES 2018-10-31 08:54:16 -07:00
lib RISC-V Patches for the 4.20 Merge Window, Part 2 v2 2018-10-31 16:20:28 -07:00
LICENSES This is a fairly typical cycle for documentation. There's some welcome 2018-10-24 18:01:11 +01:00
mm mm/gup.c: fix __get_user_pages_fast() comment 2018-10-31 08:54:17 -07:00
net The highlights are: 2018-10-31 14:42:31 -07:00
samples VFIO updates for v4.20 2018-10-31 11:01:38 -07:00
scripts checkpatch: remove GCC_BINARY_CONSTANT warning 2018-10-31 08:54:13 -07:00
security Merge branch 'next-loadpin' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security 2018-10-25 13:32:00 -07:00
sound sound updates for 4.20 2018-10-25 09:00:15 -07:00
tools objtool: Support GCC 9 cold subfunction naming scheme 2018-11-01 09:55:38 +01:00
usr
virt Revert "mm, mmu_notifier: annotate mmu notifiers with blockable invalidate callbacks" 2018-10-26 16:25:19 -07:00
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap .mailmap: add Oleksij Rempel 2018-10-31 08:54:12 -07:00
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS media updates for v4.20-rc1 2018-10-31 10:53:29 -07:00
Makefile Globally warn on VLA use 2018-10-28 13:26:45 -07:00
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.