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Mark Rutland f9881cc43b locking/atomics: Instrument xchg() 
While we instrument all of the (non-relaxed) atomic_*() functions and
cmpxchg(), we missed xchg().

Let's add instrumentation for xchg(), fixing up x86 to implement
arch_xchg().

Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: Will Deacon <will.deacon@arm.com>
Cc: Boqun Feng <boqun.feng@gmail.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: andy.shevchenko@gmail.com
Cc: arnd@arndb.de
Cc: aryabinin@virtuozzo.com
Cc: catalin.marinas@arm.com
Cc: glider@google.com
Cc: linux-arm-kernel@lists.infradead.org
Cc: parri.andrea@gmail.com
Cc: peter@hurleysoftware.com
Link: http://lkml.kernel.org/r/20180716113017.3909-5-mark.rutland@arm.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2018-07-25 11:53:59 +02:00
..
alpha Linux 4.18-rc5 2018-07-17 09:27:43 +02:00
arc atomics/treewide: Clean up '*_andnot()' ifdeffery 2018-06-21 14:25:24 +02:00
arm Linux 4.18-rc5 2018-07-17 09:27:43 +02:00
arm64 Linux 4.18-rc5 2018-07-17 09:27:43 +02:00
c6x Merge branch 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2018-06-04 20:27:54 -07:00
h8300 atomics/treewide: Make unconditional inc/dec ops optional 2018-06-21 14:25:24 +02:00
hexagon atomics/treewide: Make unconditional inc/dec ops optional 2018-06-21 14:25:24 +02:00
ia64 atomics/treewide: Make conditional inc/dec ops optional 2018-06-21 14:25:24 +02:00
m68k Linux 4.18-rc5 2018-07-17 09:27:43 +02:00
microblaze Microblaze patches for 4.18-rc3 2018-06-27 09:49:30 -07:00
mips Linux 4.18-rc5 2018-07-17 09:27:43 +02:00
nds32 Merge branch 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2018-06-04 20:27:54 -07:00
nios2 Merge branch 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2018-06-04 20:27:54 -07:00
openrisc Linux 4.18-rc5 2018-07-17 09:27:43 +02:00
parisc Linux 4.18-rc5 2018-07-17 09:27:43 +02:00
powerpc Linux 4.18-rc5 2018-07-17 09:27:43 +02:00
riscv Linux 4.18-rc5 2018-07-17 09:27:43 +02:00
s390 Linux 4.18-rc5 2018-07-17 09:27:43 +02:00
sh atomics/treewide: Make unconditional inc/dec ops optional 2018-06-21 14:25:24 +02:00
sparc atomics/treewide: Make conditional inc/dec ops optional 2018-06-21 14:25:24 +02:00
um Solve a series of broken links for files under Documentation: 2018-06-17 05:25:18 +09:00
unicore32 docs: Fix some broken references 2018-06-15 18:10:01 -03:00
x86 locking/atomics: Instrument xchg() 2018-07-25 11:53:59 +02:00
xtensa atomics/treewide: Make unconditional inc/dec ops optional 2018-06-21 14:25:24 +02:00
.gitignore
Kconfig docs: Fix some broken references 2018-06-15 18:10:01 -03:00