linux-kernel - Sandy Bridge pebs fix fixes

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Date:	Fri, 13 Jul 2012 17:58:12 -0700
From:	Andi Kleen <andi@...stfloor.org>
To:	mingo@...e.hu
Cc:	eranian@...gle.com, a.p.zijlstra@...llo.nl,
	linux-kernel@...r.kernel.org
Subject: Sandy Bridge pebs fix fixes

- Fix Peter's rewrite of the pebs microcode patches to actually work
- Readd the early microcode update for onlined CPUs to close
the "early schedule user space" race that Peter pointed out originally.

-Andi

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