linux-kernel - Re: [PATCH 1/3] alarmtimer: Replace the spinlock rtcdev

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Message-ID: <2035297.QqCM5sVoD5@linux-lqwf.site>
Date:	Wed, 31 Oct 2012 10:03:13 +0100
From:	Oliver Neukum <oneukum@...e.de>
To:	Chuansheng Liu <chuansheng.liu@...el.com>
Cc:	john.stultz@...aro.org, tglx@...utronix.de,
	gregkh@...uxfoundation.org, linux-kernel@...r.kernel.org,
	chuansheng.liu@...el.com
Subject: Re: [PATCH 1/3] alarmtimer: Replace the spinlock rtcdev_lock with mutex

On Thursday 01 November 2012 00:20:55 Chuansheng Liu wrote:
> When do code reviewing, found no special requirement to
> use spin_lock_irqsave/spin_unlock_irqrestore, because
> alarmtimer_get_rtcdev() is called by posix clock interface.
> So would like to use mutex to replace it.

What is gained thereby?

	Regards
		Oliver

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