linux-kernel - Re: [PATCH 11/14] hrtimer: remove active_bases field from struct hrtimer_cpu

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Message-ID: <CAKohpokLD35f7hgmhWk+7kAqnWem1qRd-P8xMeVPvdeQ51VFjw@mail.gmail.com>
Date:	Thu, 27 Mar 2014 10:00:50 +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 11/14] hrtimer: remove active_bases field from struct hrtimer_cpu_base

On 26 March 2014 22:58, Thomas Gleixner <tglx@...utronix.de> wrote:
> Instead of removing it we should actually use ffs and avoid the whole
> looping. That was the intention in the first place, but I never wrote
> the patch...

I thought about that and then using ffs for a field of which only 4 bits
are useful didn't looked too convincing to me :)

But, probably it will make things slightly better in case this routine is
heavily used.
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