Re: [RFC PATCH 0/4] Scheduler time slice extension

[Peter Zijlstra]

On Wed, Nov 13, 2024 at 12:01:22AM +0000, Prakash Sangappa wrote:

> This patch set implements the above mentioned 50us extension time as posted
> by Peter. But instead of using restartable sequences as API to set the flag
> to request the extension, this patch proposes a new API with use of a per
> thread shared structure implementation described below. This shared structure
> is accessible in both users pace and kernel. The user thread will set the
> flag in this shared structure to request execution time extension.

But why -- we already have rseq, glibc uses it by default. Why add yet
another thing?