Linux kernel bug fix: powerpc: Fix __cmpxchg() to take a volatile ptr again
Subsystem: arch/powerpc (arch/powerpc/include/asm/cmpxchg.h)
Bug type: unknown, severity: low
Files changed: arch/powerpc/include/asm/cmpxchg.h
Introduced by Pan Xinhui on 2016-11-23 22:56:26 +1100; fixed by Michael Ellerman on 2016-11-25 14:07:50 +1100 (lifetime: 1 days)