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authorMark Rutland <mark.rutland@arm.com>2018-09-04 11:48:30 +0100
committerIngo Molnar <mingo@kernel.org>2018-11-01 11:01:40 +0100
commitc0df10812835040e261b915f04887b0cf0411851 (patch)
treea0434c7bea3a341cce285df803fbf99c09900932 /include
parent8d32588077bdc390420cfa6946f407033a20d7a8 (diff)
downloadlinux-next-c0df10812835040e261b915f04887b0cf0411851.tar.gz
arm64, locking/atomics: Use instrumented atomics
Now that the generic atomic headers provide instrumented wrappers of all the atomics implemented by arm64, let's migrate arm64 over to these. The additional instrumentation will help to find bugs (e.g. when fuzzing with Syzkaller). Mostly this change involves adding an arch_ prefix to a number of function names and macro definitions. When LSE atomics are used, the out-of-line LL/SC atomics will be named __ll_sc_arch_atomic_${OP}. Adding the arch_ prefix requires some whitespace fixups to keep things aligned. Some other unusual whitespace is fixed up at the same time (e.g. in the cmpxchg wrappers). Signed-off-by: Mark Rutland <mark.rutland@arm.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Acked-by: Will Deacon <will.deacon@arm.com> Cc: linux-arm-kernel@lists.infradead.org Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: linuxdrivers@attotech.com Cc: dvyukov@google.com Cc: boqun.feng@gmail.com Cc: arnd@arndb.de Cc: aryabinin@virtuozzo.com Cc: glider@google.com Link: http://lkml.kernel.org/r/20180904104830.2975-7-mark.rutland@arm.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
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