From: Andi Kleen <ak@suse.de>
To: "H. Peter Anvin" <hpa@zytor.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Rusty Russell <rusty@rustcorp.com.au>,
Matt Mackall <mpm@selenic.com>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] lguest-fix-divide-error-implement-sched_clock
Date: Tue, 5 Jun 2007 23:31:08 +0200 [thread overview]
Message-ID: <200706052331.09214.ak@suse.de> (raw)
In-Reply-To: <4665D270.2020301@zytor.com>
On Tuesday 05 June 2007 23:15:28 H. Peter Anvin wrote:
> Andi Kleen wrote:
> >
> > I don't think it's a good idea for the TSC. There are various
> > setups where it is unreliable and also often simulators don't
> > implement it correctly. And it's always a valuable workaround
> > to be able to turn it off.
> >
>
> For all I can tell, if this is the case, then CONFIG_X86_TSC should be
> removed completely.
Yes it should.
> We still support the TSC when CONFIG_X86_TSC is not
> compiled in; that attribute controls if it is unconditionally required.
>
> (We seem to still not always use it, which may be a good indication that
> CONFIG_X86_TSC has outlived its usefulness. Should it be removed?)
Yes.
-Andi
prev parent reply other threads:[~2007-06-05 21:31 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-05-22 22:38 lguest broken in 2.6.22-rc1-mm1 Matt Mackall
2007-05-22 23:27 ` Rusty Russell
2007-06-04 17:19 ` lguest rebroken in 2.6.22-rc3-mm1 Matt Mackall
2007-06-04 17:28 ` Andrew Morton
2007-06-04 17:46 ` Matt Mackall
2007-06-04 18:12 ` Andi Kleen
2007-06-05 2:48 ` Rusty Russell
2007-06-05 10:01 ` Andi Kleen
2007-06-05 13:11 ` [PATCH] lguest-fix-divide-error-implement-sched_clock Rusty Russell
2007-06-05 14:24 ` Andi Kleen
2007-06-05 16:07 ` Andrew Morton
2007-06-05 16:16 ` H. Peter Anvin
2007-06-05 16:37 ` Andi Kleen
2007-06-05 17:02 ` H. Peter Anvin
2007-06-05 18:43 ` H. Peter Anvin
2007-06-05 18:51 ` Andi Kleen
2007-06-05 21:15 ` H. Peter Anvin
2007-06-05 21:31 ` Andi Kleen [this message]
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