linux-kernel - Re: [PATCH] perf/x86/intel/uncore: fix IMC missing box initialization

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Date:	Fri, 24 Apr 2015 21:38:17 -0700
From:	Andi Kleen <ak@...ux.intel.com>
To:	Stephane Eranian <eranian@...gle.com>
Cc:	Bjorn Helgaas <bhelgaas@...gle.com>,
	Vince Weaver <vincent.weaver@...ne.edu>,
	LKML <linux-kernel@...r.kernel.org>,
	Peter Zijlstra <peterz@...radead.org>,
	"Liang, Kan" <kan.liang@...el.com>,
	"mingo@...e.hu" <mingo@...e.hu>, Sonny Rao <sonnyrao@...omium.org>
Subject: Re: [PATCH] perf/x86/intel/uncore: fix IMC missing box initialization

> This leads me to believe that this patch:
> 
> commit c05199e5a57a579fea1e8fa65e2b511ceb524ffc
> Author: Kan Liang <kan.liang@...el.com>
> Date:   Tue Jan 20 04:54:25 2015 +0000
> 
>     perf/x86/intel/uncore: Move uncore_box_init() out of driver initialization
> 
> If I revert it, I bet things will work again.

Yes the initialization needs to be moved out of the IPI context.

-Andi


-- 
ak@...ux.intel.com -- Speaking for myself only
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