Re: [patch 00/11] rseq: Optimize exit to user space

From: Thomas Gleixner
Date: Wed Aug 13 2025 - 18:08:54 EST


On Wed, Aug 13 2025 at 15:36, Jens Axboe wrote:
> On 8/13/25 3:32 PM, Thomas Gleixner wrote:
>> Could you give it a test ride to see whether this makes a difference in
>> your environment?
>
> Yep, I'll give a spin.

Appreciated.

> If I recall correct, I'd see rseq at 2-3% of overall CPU time last I

I'm not surprised.

> tested. I'll try and do some pre/post numbers for some of the stuff I
> usually run.

Cool. Thanks

tglx