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Date:   Mon, 9 May 2022 09:04:37 +0200
From:   Peter Zijlstra <peterz@infradead.org>
To:     Song Liu <song@kernel.org>
Cc:     linux-kernel@vger.kernel.org, live-patching@vger.kernel.org,
        mingo@redhat.com, vincent.guittot@linaro.org, jpoimboe@redhat.com,
        joe.lawrence@redhat.com, kernel-team@fb.com
Subject: Re: [RFC] sched,livepatch: call klp_try_switch_task in __cond_resched
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References: <20220507174628.2086373-1-song@kernel.org>
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On Sat, May 07, 2022 at 10:46:28AM -0700, Song Liu wrote:
> Busy kernel threads may block the transition of livepatch. Call
> klp_try_switch_task from __cond_resched to make the transition easier.

What will a PREEMPT=y kernel do? How is it not a problem there, and if
it is, this will not help that.

That is; I don't think this can be right.