linux-kernel - Re: [RFC PATCH 1/3] timer: fix comments of try_to_del_timer

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Message-ID: <20100824121109.GA13061@redhat.com>
Date:	Tue, 24 Aug 2010 14:11:09 +0200
From:	Oleg Nesterov <oleg@...hat.com>
To:	Yong Zhang <yong.zhang0@...il.com>
Cc:	linux-kernel@...r.kernel.org, tglx@...utronix.de,
	akpm@...ux-foundation.org, mingo@...e.hu, peterz@...radead.org
Subject: Re: [RFC PATCH 1/3] timer: fix comments of try_to_del_timer_sync()

On 08/24, Yong Zhang wrote:
>
> From: Yong Zhang <yong.zhang@...driver.com>
>
> In commit fd450b7318b75343fd76b3d95416853e34e72c95, it was saying
> try_to_del_timer_sync() can be used in interrupt context.

Yes, but not in UP case.

Please remove "#ifdef CONFIG_SMP" from set_running_timer(), then iirc
it can be used from irq.

Oleg.

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