Re: [PATCH v2 00/10] Introduce cmpxchg128() -- aka. the demise of cmpxchg_double()

On Thu, Feb 2, 2023 at 7:29 AM Peter Zijlstra [off-list ref] wrote:

 - fixed up the inline asm to use 'u128 *' mem argument so the compiler knows
   how wide the modification is.
 - reworked the percpu thing to use union based type-punning instead of
   _Generic() based casts.

Looks lovely to me. This removed all my concerns (except for the
testing one, but all the patches looked nice and clean to me, so
clearly it must be perfect).

                Linus