linux-kernel - Re: [PATCH] x86: remove unused code in set_cyc2ns

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Message-ID: <3d8471ca0801311118h34ca8d1ft80fe48b98e8dd952@mail.gmail.com>
Date:	Thu, 31 Jan 2008 20:18:21 +0100
From:	"Guillaume Chazarain" <guichaz@...oo.fr>
To:	"Ingo Molnar" <mingo@...e.hu>
Cc:	"Linux Kernel Mailing List" <linux-kernel@...r.kernel.org>,
	"Thomas Gleixner" <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>
Subject: Re: [PATCH] x86: remove unused code in set_cyc2ns_scale()

On 1/31/08, Ingo Molnar <mingo@...e.hu> wrote:
> hm, this is not a pure elimination of dead code, this will change
> behavior. For example we wont call sched_clock_idle_sleep_event() on
> !cpu_khz now. Hm?

Oops, indeed I overlooked that. OTOH, I can't see how it can happen
(in 32 bit at least), and even if it happens it should not have any
effect. But I'll keep this check to avoid making this case illegal.

Thanks for the review.

-- 
Guillaume
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