linux-kernel - Re: [PATCH] i386: Prevent early access to TSC to avoid crash on TSCless systems

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Message-ID: <20070324223243.GA30060@elte.hu>
Date:	Sat, 24 Mar 2007 23:32:43 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Guillaume Chazarain <guichaz@...oo.fr>
Cc:	tglx@...utronix.de, Linus Torvalds <torvalds@...ux-foundation.org>,
	LKML <linux-kernel@...r.kernel.org>,
	john stultz <johnstul@...ibm.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Adrian Bunk <bunk@...sta.de>
Subject: Re: [PATCH] i386: Prevent early access to TSC to avoid crash on TSCless systems


* Guillaume Chazarain <guichaz@...oo.fr> wrote:

> >+static int tsc_enabled;
> 
> So, now we have tsc_disable, tsc_enabled and tsc_unstable. I can 
> understand the latter, but this lacks orthogonality IMHO.

tsc_disable should be renamed to tsc_disable_override or so, to signal 
that it's only the mirror of the 'notsc' flag the user passed in over 
the boot line.

	Ingo
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