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Date:   Tue, 9 May 2023 13:02:23 +0200
From:   Peter Zijlstra <peterz@infradead.org>
To:     Thomas Gleixner <tglx@linutronix.de>
Cc:     LKML <linux-kernel@vger.kernel.org>, x86@kernel.org,
        David Woodhouse <dwmw2@infradead.org>,
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Subject: Re: [patch v3 14/36] [patch V2 14/38] cpu/hotplug: Rework sparse_irq
 locking in bringup_cpu()
Message-ID: <20230509110223.GY83892@hirez.programming.kicks-ass.net>
References: <20230508181633.089804905@linutronix.de>
 <20230508185218.013044883@linutronix.de>
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On Mon, May 08, 2023 at 09:43:49PM +0200, Thomas Gleixner wrote:
> From: Thomas Gleixner <tglx@linutronix.de>
> 
> There is no harm to hold sparse_irq lock until the upcoming CPU completes
> in cpuhp_online_idle(). This allows to remove cpu_online() synchronization
> from architecture code.

Uuuuuhh.. damn. Can you at the very least ammend the comment near
irq_lock_sparse() to mention these extra duties?