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Message-Id: <1162748079.3160.102.camel@laptopd505.fenrus.org> Date: Sun, 05 Nov 2006 18:34:39 +0100 From: Arjan van de Ven <arjan@...radead.org> To: Linus Torvalds <torvalds@...l.org> Cc: Andi Kleen <ak@...e.de>, Zachary Amsden <zach@...are.com>, Benjamin LaHaise <bcrl@...ck.org>, Chuck Ebbert <76306.1226@...puserve.com>, linux-kernel <linux-kernel@...r.kernel.org> 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) linux.intel.com Test the interaction between Linux and your BIOS via http://www.linuxfirmwarekit.org - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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