atomic.h: add atomic64 cmpxchg, xchg and add_unless to sparc64
Signed-off-by: NMathieu Desnoyers <mathieu.desnoyers@polymtl.ca> Cc: "David S. Miller" <davem@davemloft.net> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
Showing
想要评论请 注册 或 登录