linux-kernel - Re: [PATCH] x86: Support always running TSC on Intel CPUs

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Message-ID: <492209C8.7040602@zytor.com>
Date:	Mon, 17 Nov 2008 16:18:16 -0800
From:	"H. Peter Anvin" <hpa@...or.com>
To:	"Pallipadi, Venkatesh" <venkatesh.pallipadi@...el.com>
CC:	Ingo Molnar <mingo@...e.hu>, Thomas Gleixner <tglx@...utronix.de>,
	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] x86: Support always running TSC on Intel CPUs

Pallipadi, Venkatesh wrote:
> 
> All C-states higher than C1. 
> 

Including C2?  If so, the TSC is unusable since C2 can be invoked 
asynchronously by the chipset.

	-hpa

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