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Date: Wed, 12 Feb 2003 04:21:43 +0000
From: Jamie Lokier <jamie@shareable.org>
To: Dave Jones <davej@codemonkey.org.uk>,
       "Martin J. Bligh" <mbligh@aracnet.com>, ak@suse.de,
       linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: [Bug 350] New: i386 context switch very slow compared to 2.4 due to wrmsr (performance)
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References: <629040000.1045013743@flay> <20030212025902.GA14092@codemonkey.org.uk>
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Dave Jones 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.

-- Jamie
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