Re: [PATCH 4/4] x86/cpu: Use SERIALIZE in sync_core() when available

[Ricardo Neri]

On Mon, Jul 27, 2020 at 05:47:32AM -0700, hpa@xxxxxxxxx wrote:
> On July 27, 2020 1:20:03 AM PDT, peterz@xxxxxxxxxxxxx wrote:
> >On Sun, Jul 26, 2020 at 09:31:32PM -0700, Ricardo Neri wrote:
> >> +static inline void serialize(void)
> >> +{
> >> +	asm volatile(".byte 0xf, 0x1, 0xe8");
> >> +}
> >
> >Can we pretty please have a comment with the binutils version that has
> >the mnomic? Such that when we increase the required binutils version we
> >can grep for this.
> 
> It also needs : : : "memory" to be a barrier.

Sure Peter, I will make this change.

Thanks and BR,
Ricardo