locking/atomic/x86: Un-macro-ify atomic ops implementation
CPP turns perfectly readable code into a much harder to read syntactic soup. Ingo suggested to write them out as-is in C and ignore the higher linecount. Do this. (As a side effect, plain C functions will be easier to KASAN-instrument as well.) Suggested-by: NIngo Molnar <mingo@kernel.org> Signed-off-by: NDmitry Vyukov <dvyukov@google.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Andrey Ryabinin <aryabinin@virtuozzo.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: kasan-dev@googlegroups.com Cc: will.deacon@arm.com Link: http://lkml.kernel.org/r/a35b983dd3be937a3cf63c4e2db487de2cdc7b8f.1497690003.git.dvyukov@google.com [ Beautified the C code some more and twiddled the changelog to mention the linecount increase and the KASAN benefit. ] Signed-off-by: NIngo Molnar <mingo@kernel.org>
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