linux-kernel - Re: [PATCH -mm] x86_64: Adjust the timing of initializing cyc2ns

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Date:	Fri, 25 Aug 2006 10:14:46 -0700 (LDT)
From:	Toyo <toyoa@...sta.com>
To:	Andi Kleen <ak@...e.de>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [PATCH -mm] x86_64: Adjust the timing of initializing
 cyc2ns_scale.

From: Andi Kleen <ak@...e.de>
Subject: Re: [PATCH -mm] x86_64: Adjust the timing of initializing cyc2ns_scale.
Date: Fri, 25 Aug 2006 18:55:57 +0200

> On Friday 25 August 2006 18:45, Toyo Abe wrote:
> > The x86_64-mm-monotonic-clock.patch in 2.6.18-rc4-mm2 made a change to
> > the updating of monotonic_base. It now uses cycles_2_ns().
> > 
> > I suggest that a set_cyc2ns_scale() should be done prior to the setup_irq().
> > Because cycles_2_ns() can be called from the timer ISR right after the irq0
> > is enabled.
> 
> Added thanks. I folded it into the original patch.
> 
> Did you actually see a failure or was this just from code review?
> -Andi
> 
I didn't see any failure on it. It was just a speculation. But I think
it's better thing here.

Best Regards,
toyo
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