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: Borislav Petkov <bp@xxxxxxxxx>
- Date: Fri, 18 Apr 2014 11:22:19 +0200
- Cc: Owen Kibel <qmewlo@xxxxxxxxx>, Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>, Josh Boyer <jwboyer@xxxxxxxxxxxxxxxxx>, "Luck, Tony" <tony.luck@xxxxxxxxx>, Peter Zijlstra <peterz@xxxxxxxxxxxxx>, "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: <20140418080716.GA14280@gmail.com>
- User-agent: Mutt/1.5.23 (2014-03-12)
On Fri, Apr 18, 2014 at 10:07:16AM +0200, Ingo Molnar wrote:
> Okay, so AFAICS the fix in x86/urgent isn't wrong functionally, it's
> just that the changelog incorrectly claims the raw-spinlock use is a
> bug causing a problem here.
>
> Still that raw spinlock is bogus and might be hiding other problems,
> so we can keep the x86/urgent change (ea431643d6c3) as-is and I'll get
> it to Linus later today ...
Ok.
--
Regards/Gruss,
Boris.
Sent from a fat crate under my desk. Formatting is fine.
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