linux-kernel - Re: [PATCH 3/3] vhost: Fix livepatch timeouts in vhost

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Date:   Wed, 15 Feb 2023 14:31:25 +0100
From:   Petr Mladek <pmladek@...e.com>
To:     Josh Poimboeuf <jpoimboe@...nel.org>
Cc:     live-patching@...r.kernel.org, linux-kernel@...r.kernel.org,
        Seth Forshee <sforshee@...italocean.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Song Liu <song@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Joe Lawrence <joe.lawrence@...hat.com>,
        Miroslav Benes <mbenes@...e.cz>,
        Jiri Kosina <jikos@...nel.org>, Ingo Molnar <mingo@...hat.com>
Subject: Re: [PATCH 3/3] vhost: Fix livepatch timeouts in vhost_worker()

On Thu 2023-02-09 11:17:49, Josh Poimboeuf wrote:
> Livepatch timeouts were reported due to busy vhost_worker() kthreads.
> Now that cond_resched() can do livepatch task switching, use
> cond_resched() in vhost_worker().  That's the better way to
> conditionally call schedule() anyway.
> 
> Reported-by: Seth Forshee (DigitalOcean) <sforshee@...italocean.com>
> Link: https://lkml.kernel.org/lkml/20230120-vhost-klp-switching-v1-0-7c2b65519c43@kernel.org
> Signed-off-by: Josh Poimboeuf <jpoimboe@...nel.org>

Reviewed-by: Petr Mladek <pmladek@...e.com>

Best Regards,
Petr