linux-kernel - Re: [RFC PATCH v3 06/15] jump_label: Add forceful jump label type

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Message-ID: <20241120145746.GL38972@noisy.programming.kicks-ass.net>
Date: Wed, 20 Nov 2024 15:57:46 +0100
From: Peter Zijlstra <peterz@...radead.org>
To: Josh Poimboeuf <jpoimboe@...nel.org>
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Subject: Re: [RFC PATCH v3 06/15] jump_label: Add forceful jump label type

On Wed, Nov 20, 2024 at 03:56:49PM +0100, Peter Zijlstra wrote:

> But I think we can make the fall-back safer, we can simply force the IPI
> when we poke at noinstr code -- then NOHZ_FULL gets to keep the pieces,
> but at least we don't violate any correctness constraints.

I should have read more; that's what is being proposed.