linux-kernel - Re: [PATCH 5/7] rcu: rename PREEMPT_AUTO to 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: <20241009180232.GT17263@noisy.programming.kicks-ass.net>
Date: Wed, 9 Oct 2024 20:02:32 +0200
From: Peter Zijlstra <peterz@...radead.org>
To: Ankur Arora <ankur.a.arora@...cle.com>
Cc: linux-kernel@...r.kernel.org, tglx@...utronix.de, paulmck@...nel.org,
	mingo@...nel.org, bigeasy@...utronix.de, juri.lelli@...hat.com,
	vincent.guittot@...aro.org, dietmar.eggemann@....com,
	rostedt@...dmis.org, bsegall@...gle.com, mgorman@...e.de,
	vschneid@...hat.com, frederic@...nel.org, efault@....de
Subject: Re: [PATCH 5/7] rcu: rename PREEMPT_AUTO to PREEMPT_LAZY

On Wed, Oct 09, 2024 at 09:54:09AM -0700, Ankur Arora wrote:

> diff --git a/kernel/rcu/Kconfig b/kernel/rcu/Kconfig
> index 1bfe7016724f..cd3148fb566a 100644
> --- a/kernel/rcu/Kconfig
> +++ b/kernel/rcu/Kconfig
> @@ -91,7 +91,7 @@ config NEED_TASKS_RCU
>  
>  config TASKS_RCU
>  	bool
> -	default NEED_TASKS_RCU && (PREEMPTION || PREEMPT_AUTO)
> +	default NEED_TASKS_RCU && (PREEMPTION || PREEMPT_LAZY)
>  	select IRQ_WORK

PREEMPT_LAZY implies PREEMPTION