Re: [PATCH v3 0/6] atomics: powerpc: Implement relaxed/acquire/release variants of some atomics

Peter Zijlstra
2015-10-13T12:27:33Z

On Mon, Oct 12, 2015 at 10:14:00PM +0800, Boqun Feng wrote:

> The patchset consists of 6 parts:
>
> 1. Make xchg, cmpxchg and their atomic_ versions a full barrier
>
> 2. Add trivial tests for the new variants in lib/atomic64_test.c
>
> 3. Allow architectures to define their own __atomic_op_*() helpers
> to build other variants based on relaxed.
>
> 4. Implement atomic{,64}_{add,sub,inc,dec}_return_* variants
>
> 5. Implement xchg_* and atomic{,64}_xchg_* variants
>
> 6. Implement cmpxchg_* atomic{,64}_cmpxchg_* variants
>
>
> This patchset is based on current locking/core branch of the tip tree
> and all patches are built and boot tested for little endian pseries, and
> also tested by 0day.
>

I don't see any immediate problems with this series at this point. Will,
Paul?