linux-kernel - Re: [PATCH v2 13/35] sched: allow runtime config for PREEMPT

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20240528162725.GH26599@noisy.programming.kicks-ass.net>
Date: Tue, 28 May 2024 18:27:25 +0200
From: Peter Zijlstra <peterz@...radead.org>
To: Ankur Arora <ankur.a.arora@...cle.com>
Cc: linux-kernel@...r.kernel.org, tglx@...utronix.de,
	torvalds@...ux-foundation.org, paulmck@...nel.org,
	rostedt@...dmis.org, mark.rutland@....com, juri.lelli@...hat.com,
	joel@...lfernandes.org, raghavendra.kt@....com,
	sshegde@...ux.ibm.com, boris.ostrovsky@...cle.com,
	konrad.wilk@...cle.com, Ingo Molnar <mingo@...hat.com>,
	Vincent Guittot <vincent.guittot@...aro.org>
Subject: Re: [PATCH v2 13/35] sched: allow runtime config for PREEMPT_AUTO

On Mon, May 27, 2024 at 05:34:59PM -0700, Ankur Arora wrote:
> Reuse sched_dynamic_update() and related logic to enable choosing
> the preemption model at boot or runtime for PREEMPT_AUTO.
> 
> The interface is identical to PREEMPT_DYNAMIC.

Colour me confused, why?!? What are you doing and why aren't just just
adding AUTO to the existing DYNAMIC thing?