[PATCH V8 11/21] csky: Atomic operations

This patch adds atomic, cmpxchg, spinlock files. Changlog: - SMP supported - ticklock supported - queue-rwlock supported Signed-off-by: Guo Ren Cc: Peter Zijlstra Cc: Andrea Parri --- arch/csky/include/asm/atomic.h | 212 + arch/csky/include/asm/cmpxchg.h

[PATCH V8 11/21] csky: Atomic operations

This patch adds atomic, cmpxchg, spinlock files. Changlog: - SMP supported - ticklock supported - queue-rwlock supported Signed-off-by: Guo Ren Cc: Peter Zijlstra Cc: Andrea Parri --- arch/csky/include/asm/atomic.h | 212 + arch/csky/include/asm/cmpxchg.h