linux-kernel - Re: [PATCH] x86, tsc: Add missing Baytrail frequency to the table

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Message-ID: <52E1358A.7020206@zytor.com>
Date:	Thu, 23 Jan 2014 07:30:18 -0800
From:	"H. Peter Anvin" <hpa@...or.com>
To:	One Thousand Gnomes <gnomes@...rguk.ukuu.org.uk>,
	Mika Westerberg <mika.westerberg@...ux.intel.com>
CC:	linux-kernel@...r.kernel.org, Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>, Bin Gao <bin.gao@...el.com>,
	x86@...nel.org
Subject: Re: [PATCH] x86, tsc: Add missing Baytrail frequency to the table

On 01/23/2014 07:09 AM, One Thousand Gnomes wrote:
> On Thu, 23 Jan 2014 13:04:03 +0200
> Mika Westerberg <mika.westerberg@...ux.intel.com> wrote:
> 
>> Baytrail is based on Silvermont core so MSR_FSB_FREQ[2:0] == 0 means that
>> the CPU reference clock runs at 83.3MHz. Without this we crash a bit later
>> with backtrace looking like:
> 
> Would it not be wise to also make the code robust against future failures
> of this kind and at least bitch rather than divide by 0 ?
> 

Chicken!  ;)

	-hpa


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