linux-kernel - Re: [GIT pull] perf fixes for 4.4

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Date:	Sun, 6 Dec 2015 12:54:14 +0100
From:	Ingo Molnar <mingo@...nel.org>
To:	Thomas Gleixner <tglx@...utronix.de>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	"H. Peter Anvin" <hpa@...or.com>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Subject: Re: [GIT pull] perf fixes for 4.4


* Thomas Gleixner <tglx@...utronix.de> wrote:

> Linus,
> 
> please pull the latest perf-urgent-for-linus git tree from:
> 
>    git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git perf-urgent-for-linus
> 
> Some more perf fixes:
> 
>      - Properly read lock RCU in the cgroup perf context switch code.
> 
>      - Fix a LBR call stack regression.
> 
>      - Improve precice instruction sampling on modern Intel machines.

Linus, please hold up on pulling these bits - I just found out that this commit 
(4576ceaa56a8) regresses on older machines. I also don't know what I was thinking 
merging this into perf/urgent so late ...

I'll sort it out, but please don't pull it for the time being. Sorry about that!

Thanks,

	Ingo
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