Re: [tip:x86/urgent] x86/mce: Fix CMCI preemption bugs
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- Subject: Re: [tip:x86/urgent] x86/mce: Fix CMCI preemption bugs
- From: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
- Date: Thu, 17 Apr 2014 12:25:14 -0700
- Cc: Josh Boyer <jwboyer@xxxxxxxxxxxxxxxxx>, Owen Kibel <qmewlo@xxxxxxxxx>, "Luck, Tony" <tony.luck@xxxxxxxxx>, Peter Zijlstra <peterz@xxxxxxxxxxxxx>, "mingo@xxxxxxxxxx" <mingo@xxxxxxxxxx>, "hpa@xxxxxxxxx" <hpa@xxxxxxxxx>, "linux-kernel@xxxxxxxxxxxxxxx" <linux-kernel@xxxxxxxxxxxxxxx>, "atodorov@xxxxxxxxxx" <atodorov@xxxxxxxxxx>, "gong.chen@xxxxxxxxxxxxxxx" <gong.chen@xxxxxxxxxxxxxxx>, "tglx@xxxxxxxxxxxxx" <tglx@xxxxxxxxxxxxx>, "linux-tip-commits@xxxxxxxxxxxxxxx" <linux-tip-commits@xxxxxxxxxxxxxxx>
- In-reply-to: <20140417192330.GE4321@pd.tnic>
On Thu, Apr 17, 2014 at 12:23 PM, Borislav Petkov <bp@xxxxxxxxx> 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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