linux-kernel - Re: [PATCH V2 2/2] hrtimer: use __ffs() to iterate over valid bits from active

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Message-ID: <CAKohpomG58xGMBLDCmKjXadBuX9Y8EEPcfnGZNFN8mgK_PB9zA@mail.gmail.com>
Date:	Thu, 27 Mar 2014 11:16:14 +0530
From:	Viresh Kumar <viresh.kumar@...aro.org>
To:	Thomas Gleixner <tglx@...utronix.de>
Cc:	Lists linaro-kernel <linaro-kernel@...ts.linaro.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Frédéric Weisbecker <fweisbec@...il.com>,
	Linaro Networking <linaro-networking@...aro.org>
Subject: Re: [PATCH V2 2/2] hrtimer: use __ffs() to iterate over valid bits
 from active_bases

On 27 March 2014 11:10, Thomas Gleixner <tglx@...utronix.de> wrote:
> What if this is a spurious interrupt and active_bases is 0?

Hmm.. haven't thought about that actually.. I thought it would be
guaranteed here that active_bases isn't zero.

Will fix it as the current code would end up in a infinite loop.
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