linux-kernel - Re: [PATCH 0/2] Scheduler time extension

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Message-ID: <20250217120000.5ae1201a@gandalf.local.home>
Date: Mon, 17 Feb 2025 12:00:00 -0500
From: Steven Rostedt <rostedt@...dmis.org>
To: Prakash Sangappa <prakash.sangappa@...cle.com>
Cc: linux-kernel@...r.kernel.org, peterz@...radead.org,
 mathieu.desnoyers@...icios.com, tglx@...utronix.de
Subject: Re: [PATCH 0/2] Scheduler time extension

On Sat, 15 Feb 2025 00:54:12 +0000
Prakash Sangappa <prakash.sangappa@...cle.com> wrote:

> Follow up to discussion in [1], posting these patches.
> They are based on use of the restartable sequences(rseq) for API.
> 
> However, currently the discussion is on thread [2] in response to patch
> posted by Steven. Mainly about whether this feature should be applicable
> only to normal threads(SCHED_OTHER) under PREEMPT_LAZY preemption model
> or keep it independent of the preemption method.
> 
> [1] https://lore.kernel.org/all/20241113000126.967713-1-prakash.sangappa@oracle.com/
> [2] https://lore.kernel.org/all/20250131225837.972218232@goodmis.org/

I'm still 100% against this delaying any non SCHED_OTHER task.

-- Steve