linux-kernel - Re: [PATCH v3 4/6] irq_work: Unconditionally build on SMP

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Message-ID: <20201028145252.GC2628@hirez.programming.kicks-ass.net>
Date:   Wed, 28 Oct 2020 15:52:52 +0100
From:   Peter Zijlstra <peterz@...radead.org>
To:     Frederic Weisbecker <frederic@...nel.org>
Cc:     mingo@...nel.org, linux-kernel@...r.kernel.org, will@...nel.org,
        paulmck@...nel.org, hch@....de, axboe@...nel.dk,
        chris@...is-wilson.co.uk, davem@...emloft.net, kuba@...nel.org,
        fweisbec@...il.com, oleg@...hat.com, vincent.guittot@...aro.org
Subject: Re: [PATCH v3 4/6] irq_work: Unconditionally build on SMP

On Wed, Oct 28, 2020 at 02:34:20PM +0100, Frederic Weisbecker wrote:
> On Wed, Oct 28, 2020 at 12:07:11PM +0100, Peter Zijlstra wrote:
> 
> This may need a changelog :-)

Like so then?
---

Only (the local) irq_work_queue() relies on arch self-IPI bits,
prepare to have the remote queueing available on all SMP.