Re: [patch V6 05/11] rseq: Implement sys_rseq_slice_yield()

[Mathieu Desnoyers]

On 2025-12-15 13:24, Thomas Gleixner wrote:
> Provide a new syscall which has the only purpose to yield the CPU after the
> kernel granted a time slice extension.
>
> sched_yield() is not suitable for that because it unconditionally
> schedules, but the end of the time slice extension is not required to
> schedule when the task was already preempted. This also allows to have a
> strict check for termination to catch user space invoking random syscalls
> including sched_yield() from a time slice extension region.
Reviewed-by: Mathieu Desnoyers <mathieu.desnoyers@xxxxxxxxxxxx>

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Mathieu Desnoyers
EfficiOS Inc.
https://www.efficios.com