Hi Peter,

On Thu, Jan 7, 2021 at 7:19 PM Peter Zijlstra [off-list ref] wrote:

On Sun, Dec 20, 2020 at 03:39:19PM +0000, guoren@kernel.org wrote:

quoted

From: Guo Ren <redacted>

Use generic atomic implementation based on cmpxchg. So remove csky
asm/atomic.h.

Clarification would be good. Typically cmpxchg() loops perform
sub-optimal on LL/SC architectures, due to the double loop construction.

Yes, you are right. But I still want to use comm cmpxchg instead of my
implementation. Maybe in the future, we'll optimize it back.

-- 
Best Regards
 Guo Ren

ML: https://lore.kernel.org/linux-csky/