linux-kernel - Re: [RFC patch 1/5] hrtimer: Always check for HRTIMER_MODE

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Date:	Tue, 25 Feb 2014 12:56:07 +0100
From:	Peter Zijlstra <peterz@...radead.org>
To:	Thomas Gleixner <tglx@...utronix.de>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	John Stultz <john.stultz@...aro.org>,
	Anton Vorontsov <anton@...msg.org>,
	Alexey Perevalov <a.perevalov@...sung.com>,
	kyungmin.park@...sung.com, cw00.choi@...sung.com
Subject: Re: [RFC patch 1/5] hrtimer: Always check for HRTIMER_MODE_REL

On Fri, Feb 21, 2014 at 05:56:15PM -0000, Thomas Gleixner wrote:
> We have not just HRTIMER_MODE_REL and HRTIMER_MODE_ABS, so a direct
> check for mode == HRTIMER_MODE_ABS is not sufficient.
> 
> Always check for the HRTIMER_MODE_REL bit.

This seems to come from having changed hrtimer_mode from a value field
to a bit field with the addition of PINNED.

But yeah; this certainly fixes these two sites. Ideally we'd to
something better to avoid making the same mistake again later. But the
only thing I can come up with is lots of work.

Acked-by: Peter Zijlstra <peterz@...radead.org>
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