Re: [patch 00/12] rseq: Implement time slice extension mechanism

Prakash Sangappa
2025-09-11T07:37:03Z

> On Sep 11, 2025, at 5:03 AM, K Prateek Nayak <kprateek.nayak@amd.com> wrote:
>
> Hello Thomas,
>
> On 9/10/2025 8:20 PM, Thomas Gleixner wrote:
>> On Wed, Sep 10 2025 at 16:58, K. Prateek Nayak wrote:
>>> On 9/9/2025 4:29 AM, Thomas Gleixner wrote:
>>>> For your convenience all of it is also available as a conglomerate from
>>>> git:
>>>>
>>>> git://git.kernel.org/pub/scm/linux/kernel/git/tglx/devel.git rseq/slice
>>>
>>> Apart from a couple of nit picks, I couldn't spot anything out of place
>>> and the overall approach looks solid. Please feel free to include:
>>>
>>> Reviewed-by: K Prateek Nayak <kprateek.nayak@amd.com>
>>
>> Thanks a lot for going through it and testing.
>>
>> Do you have a real workload or a mockup at hand, which benefits
>> from that slice extension functionality?
>
> Not at the moment but we did have some interest for this feature
> internally. Give me a week and I'll let you know if they had found a
> use-case / have a prototype to test this.
>
> In the meantime, Prakash should have a test bench that he used to
> test his early RFC
> https://lore.kernel.org/lkml/20241113000126.967713-1-prakash.sangappa@oracle.com/
>

(Have been AFK, and will be for few more days)

The above was with a database workload. Will coordinate with our database team to get it tested
with the updated API from this patch series.

Thanks,
-Prakash

> --
> Thanks and Regards,
> Prateek
>