From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jeremy Fitzhardinge <jeremy@goop.org>
Subject: Re: + stupid-hack-to-make-mainline-build.patch added to -mm tree
Date: Wed, 07 Mar 2007 10:35:28 -0800
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To: Ingo Molnar <mingo@elte.hu>
Cc: Virtualization Mailing List <virtualization@lists.osdl.org>, john stultz <johnstul@us.ibm.com>, LKML <linux-kernel@vger.kernel.org>, tglx@linutronix.de, akpm@linux-foundation.org
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Ingo Molnar wrote:
> ugh. Please take it from me: i've watched the Linux time code walk its =

> long, rocky 10+ years road. One of the first mistakes was when we made =

> the TSC the center of the i386-time universe. (incidentally, it was me =

> who did the first steps of that, as a rookie kernel hacker) We got cured =

> out of that in v2.6.19, v2.6.20 and v2.6.21. Granted, Xen is only at the =

> beginning of that same road. Meet in another 10 years? ;)

Yep, the tsc has myriad problems; for Xen its the best of a bad lot. =

Unfortunately in 10 years no clearly better alternative has appeared;
maybe in 10 years there will be one.  It might even be the tsc.

    J