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Date: Tue, 17 Dec 2002 22:06:41 -0800 (PST)
From: Linus Torvalds <torvalds@transmeta.com>
To: Brian Gerst <bgerst@didntduck.org>
cc: Andi Kleen <ak@suse.de>, <mingo@elte.hu>, <linux-kernel@vger.kernel.org>,
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Subject: Re: Intel P6 vs P7 system call performance
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On Wed, 18 Dec 2002, Brian Gerst wrote:
>
> How about this patch?  Instead of making a per-cpu trampoline, write to
> the msr during each context switch.

I wanted to avoid slowing down the context switch, but I didn't actually
time how much the MSR write hurts you (it needs to be conditional, though,
I think).

		Linus

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