>>> On 02.01.18 at 15:17, wrote:
> x86's current implementation of wmb() is a compiler barrier. As a result, the
> only change in this patch is to remove an mfence instruction from
> cpuidle_disable_deep_cstate().
>
> None of these barriers serve any purpose. They are not synchronising with
> r
x86's current implementation of wmb() is a compiler barrier. As a result, the
only change in this patch is to remove an mfence instruction from
cpuidle_disable_deep_cstate().
None of these barriers serve any purpose. They are not synchronising with
remote cpus, and their compiler-barrier propert
