Re: [PATCH 6/8] aio-wait: switch to smp_mb__after_rmw()

[Richard Henderson]

On 3/3/23 09:19, Paolo Bonzini wrote:
> The barrier comes after an atomic increment, so it is enough to use
> smp_mb__after_rmw(); this avoids a double barrier on x86 systems.
>
> Signed-off-by: Paolo Bonzini<pbonzini@redhat.com>
> ---
>   include/block/aio-wait.h | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>

r~