linux-kernel - Re: [PATCH 0/3] livepatch,sched: Add livepatch task switching to cond

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Message-ID: <Y+aySl/FCUebuGNt@do-x1extreme>
Date:   Fri, 10 Feb 2023 15:08:26 -0600
From:   Seth Forshee <sforshee@...nel.org>
To:     Josh Poimboeuf <jpoimboe@...nel.org>
Cc:     live-patching@...r.kernel.org, linux-kernel@...r.kernel.org,
        Peter Zijlstra <peterz@...radead.org>,
        Song Liu <song@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Petr Mladek <pmladek@...e.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 0/3] livepatch,sched: Add livepatch task switching to
 cond_resched()

On Thu, Feb 09, 2023 at 11:17:46AM -0800, Josh Poimboeuf wrote:
> Fix patching stalls caused by busy kthreads.
> 
> Josh Poimboeuf (3):
>   livepatch: Skip task_call_func() for current task
>   livepatch,sched: Add livepatch task switching to cond_resched()
>   vhost: Fix livepatch timeouts in vhost_worker()

This is working perfectly in my testing. The busy vhost threads get
switched immediately. Thanks for working up these patches!

Tested-by: Seth Forshee (DigitalOcean) <sforshee@...nel.org>

Thanks,
Seth