Hi Peter,

On Tue, Sep 14, 2021 at 11:51:36AM +0200, Peter Zijlstra wrote:

On Sun, Aug 29, 2021 at 06:56:57PM +0800, Leo Yan wrote:

...

Hi Peter, or any x86 maintainer,

On Mon, Aug 09, 2021 at 07:14:02PM +0800, Leo Yan wrote:

...

Since BTS is coherent, simply add a compiler barrier to separate the BTS update and aux_head store.

Could you reivew this patch and check if BTS needs the comipler barrier in this case? Thanks.

Yes, a compiler barrier is sufficient.

You want me to pick it up?

Maybe other maintainers are more suitable than me to answer this :)

Yeah, I think it's great if you could pick it.

Thanks, Leo