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Date: Thu, 17 Apr 2014 21:42:41 +0200 From: Borislav Petkov <bp@...en8.de> To: Linus Torvalds <torvalds@...ux-foundation.org> Cc: Josh Boyer <jwboyer@...oraproject.org>, Owen Kibel <qmewlo@...il.com>, "Luck, Tony" <tony.luck@...el.com>, Peter Zijlstra <peterz@...radead.org>, "mingo@...nel.org" <mingo@...nel.org>, "hpa@...or.com" <hpa@...or.com>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, "atodorov@...hat.com" <atodorov@...hat.com>, "gong.chen@...ux.intel.com" <gong.chen@...ux.intel.com>, "tglx@...utronix.de" <tglx@...utronix.de>, "linux-tip-commits@...r.kernel.org" <linux-tip-commits@...r.kernel.org> Subject: Re: [tip:x86/urgent] x86/mce: Fix CMCI preemption bugs On Thu, Apr 17, 2014 at 12:25:14PM -0700, Linus Torvalds wrote: > No, Owen tested a simpler patch that just changes the "get_cpu_var()" > to "__get_cpu_var()" and avoids the preempt increment. Which basically would be the same as doing this_cpu_write() in the proposed fix - both don't touch preemption. So it is something else. More staring... -- Regards/Gruss, Boris. Sent from a fat crate under my desk. Formatting is fine. -- -- 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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