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Subject: Re: [BUG] 2.5.65: Caching MSR_IA32_SYSENTER_CS kills dosemu
From: Robert Love <rml@tech9.net>
To: Linus Torvalds <torvalds@transmeta.com>
Cc: Wayne Whitney <whitney@math.berkeley.edu>,
       LKML <linux-kernel@vger.kernel.org>
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Date: 01 Apr 2003 18:17:22 -0500
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On Tue, 2003-04-01 at 18:13, Linus Torvalds wrote:

> Ok, I was too lazy to check. Anyway, the test-patch is worth trying, since
> one of the areas fixed had no pre-emption protection regardless (ie it
> used just a plain "smp_processor_id()"), and the patch should be
> technically equivalent (just uglier) to a proper get_cpu().

Yah, I just looked, and I noticed that too.

Whether or not this fixes it for Wayne, I think the right thing to do is
replace the first smp_processor_id() with get_cpu(), too.

	Robert Love