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From: Liang Hao <haohlliang@gmail.com>
To: tglx@kernel.org
Cc: anna-maria@linutronix.de, frederic@kernel.org,
	haohlliang@gmail.com, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] timers: Clear pending_map on CPU hotplug
Date: Wed, 30 Sep 2026 14:26:42 +0800	[thread overview]
Message-ID: <20260930062642.36164-1-haohlliang@gmail.com> (raw)
In-Reply-To: <87bj9fizww.ffs@fw13>

On Tue, 29 Sep 2026 at 22:08, Thomas Gleixner wrote:
> Why do you need to zero the map twice - once when the CPU goes out and
> then again when it comes back. That does not make sense.

You're right - clearing it twice is redundant. The stale bits come from
migration in timers_dead_cpu(); clearing pending_map there after migration
is sufficient. I'll remove the timers_prepare_cpu() part in v2.

Thanks,

Liang Hao

  reply	other threads:[~2026-09-30  6:26 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-08-23 11:50 Liang Hao
2026-08-24 15:21 ` Liang Hao
2026-09-29 20:08 ` Thomas Gleixner
2026-09-30  6:26   ` Liang Hao [this message]
2026-09-30  6:36 ` [PATCH v2] " Liang Hao

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