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Date:	Sun, 05 Nov 2006 18:34:39 +0100
From:	Arjan van de Ven <>
To:	Linus Torvalds <>
Cc:	Andi Kleen <>, Zachary Amsden <>,
	Benjamin LaHaise <>,
	Chuck Ebbert <>,
	linux-kernel <>
Subject: Re: [rfc patch] i386: don't save eflags on task switch

> Andi, one single bug is usually worth _months_ of peoples time and effort. 
> How many CPU cycles is that? 

actually lockdep is pretty good at finding this type of bug IMMEDIATELY
even without the actual race triggering ;)

(but I otherwise agree that unless there is a
"sti-conditional-on-zero-flag" or something.... it's probably a void
optimization in the general uninlined case)

if you want to mail me at work (you don't), use arjan (at)
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