Re: [Bug 350] New: i386 context switch very slow compared to 2.4 due to wrmsr (performance)

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On Wed, Feb 12, 2003 at 04:21:43AM +0000, Jamie Lokier wrote:

> > I feel I'm missing something obvious here, but is this part the
> > low-hanging fruit that it seems ?
> You have eliminated one MSR write very cleanly, although there are
> still a few unnecessary conditionals when compared with grabbing a
> whole branch of the fruit tree, as it were.
>
> That leaves the other MSR write, which is also unnecessary.

Removing that one didn't seem quite so easy, so I wussed out.

                Dave

-- 
| Dave Jones.        http://www.codemonkey.org.uk
| SuSE Labs
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• Next message: Osamu Tomita: "[PATCHSET] PC-9800 subarch. support for 2.5.60 (0/34) summary"
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• In reply to: Jamie Lokier: "Re: [Bug 350] New: i386 context switch very slow compared to 2.4 due to wrmsr (performance)"
• Next in thread: Andi Kleen: "Re: [Bug 350] New: i386 context switch very slow compared to 2.4 due to wrmsr (performance)"
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