linux-kernel - Re: [PATCH 3.12 11/78] perf/x86/intel: Protect LBR and extra

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Message-ID: <54B1102C.5080901@suse.cz>
Date:	Sat, 10 Jan 2015 12:42:36 +0100
From:	Jiri Slaby <jslaby@...e.cz>
To:	Dongsu Park <dongsu.park@...fitbricks.com>
CC:	stable@...r.kernel.org, linux-kernel@...r.kernel.org,
	Kan Liang <kan.liang@...el.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Andi Kleen <ak@...ux.intel.com>,
	Arnaldo Carvalho de Melo <acme@...nel.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Maria Dimakopoulou <maria.n.dimakopoulou@...il.com>,
	Mark Davies <junk@...af.co.uk>,
	Paul Mackerras <paulus@...ba.org>,
	Stephane Eranian <eranian@...gle.com>,
	"Yan, Zheng" <zheng.z.yan@...el.com>,
	Ingo Molnar <mingo@...nel.org>
Subject: Re: [PATCH 3.12 11/78] perf/x86/intel: Protect LBR and extra_regs
 against KVM lying

On 01/10/2015, 12:24 PM, Dongsu Park wrote:
> Hi Jiry,
> 
> On 09.01.2015 11:31, Jiri Slaby wrote:
>> From: Kan Liang <kan.liang@...el.com>
>>
>> 3.12-stable review patch.  If anyone has any objections, please let me know.
> 
> Thanks for taking this patch to 3.12-stable.
> I've just tested 3.12.36 from your stable-3.12-queue tree.
> Unfortunately, the kernel still crashes at intel_pmu_init().
> 
> It turns out that this commit alone is not enough for fixing the bug.
> Actually you also need commit c9b08884c9c98929ec2d8abafd78e89062d01ee7
> ("perf/x86: Correctly use FEATURE_PDCM").
> Can you please pick that commit too?

Now applied, thanks.


-- 
js
suse labs
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