linux-kernel - Re: [tip:x86/urgent] x86/mce: Fix CMCI preemption bugs

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Message-ID: <CA+55aFyz62W7CD9=9p9OxKuFs9Rck_p93E_40CqLat1HvDdf0Q@mail.gmail.com>
Date:	Thu, 17 Apr 2014 12:25:14 -0700
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	Borislav Petkov <bp@...en8.de>
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 12:23 PM, Borislav Petkov <bp@...en8.de> wrote:
>
> But you're saying here, Owen tested it already.

No, Owen tested a simpler patch that just changes the "get_cpu_var()"
to "__get_cpu_var()" and avoids the preempt increment.

              Linus
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