linux-kernel - Re: [RFC] sched,livepatch: call stop_one_cpu in klp_check_and_switch

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: <20220510093508.GL76023@worktop.programming.kicks-ass.net>
Date:   Tue, 10 May 2022 11:35:08 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     Song Liu <songliubraving@...com>
Cc:     Josh Poimboeuf <jpoimboe@...nel.org>,
        Rik van Riel <riel@...riel.com>, Song Liu <song@...nel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        "live-patching@...r.kernel.org" <live-patching@...r.kernel.org>,
        Ingo Molnar <mingo@...hat.com>,
        "vincent.guittot@...aro.org" <vincent.guittot@...aro.org>,
        Josh Poimboeuf <jpoimboe@...hat.com>,
        "joe.lawrence@...hat.com" <joe.lawrence@...hat.com>,
        Kernel Team <Kernel-team@...com>
Subject: Re: [RFC] sched,livepatch: call stop_one_cpu in
 klp_check_and_switch_task

On Tue, May 10, 2022 at 12:32:02AM +0000, Song Liu wrote:
> cond_sched() feels like a natural “transition point” to me, and it 

You have to think of cond_resched() as a NOP.