linux-kernel - Re: [PATCH 0/3] Improve TSC as a clocksource under VMware

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Date:	Tue, 21 Oct 2008 12:11:49 -0700
From:	Alok Kataria <akataria@...are.com>
To:	Chris Snook <csnook@...hat.com>
Cc:	"H. Peter Anvin" <hpa@...or.com>,
	LKML <linux-kernel@...r.kernel.org>,
	the arch/x86 maintainers <x86@...nel.org>,
	Daniel Hecht <dhecht@...are.com>,
	Jeff Hansen <x@...fhansen.com>
Subject: Re: [PATCH 0/3] Improve TSC as a clocksource under VMware

On Mon, 2008-10-20 at 22:55 -0700, Chris Snook wrote:
> Alok Kataria wrote:
> > This patch set makes some changes to the TSC code, so that it is always
> > used as the default clocksource when running under VMware.
> > The first 2 patches do the ground work of adding code to detect if we
> > are running under VMware.
> > The third patch adds a tsc_reliable flag which tells us that TSC is
> > reliable on this system, so that we can skip some tests which can
> > potentially mark TSC as unstable. Details under individual patch
> > headers.
> 
> Do you intend for this to supplement Jeff Hansen's tsc=stable patch, or to
> replace it?  If you intend to supplement it, you should rework your submission
> to make sure that both your autodetection and his command-line option use the
> same internal mechanism, and if you intend to replace it, you should say this
> explicitly, and justify it.  Either way, you should definitely CC Jeff on the
> submission, as I am doing now.

Hi Chris,

I had made this change to supplement Jeff's change, but I notice that
his change is not in any of the trees yet. Let me incorporate that in
the next iteration of this patch.

Thanks,
Alok
> 
> -- Chris

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