linux-kernel - Re: [PATCH RFC] remove jump_label optimization for perf sched events

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Message-ID: <20111117132939.GB2215@x1.osrc.amd.com>
Date:	Thu, 17 Nov 2011 14:29:39 +0100
From:	Borislav Petkov <bp@...en8.de>
To:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc:	Gleb Natapov <gleb@...hat.com>, linux-kernel@...r.kernel.org,
	mingo@...e.hu, Jason Baron <jbaron@...hat.com>,
	rostedt <rostedt@...dmis.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>
Subject: Re: [PATCH RFC] remove jump_label optimization for perf sched events

On Thu, Nov 17, 2011 at 01:49:19PM +0100, Peter Zijlstra wrote:
> Ideally we'd fix text_poke to not use stop_machine() we know how to,
> but we haven't had the green light from Intel/AMD yet.

We talked about it briefly with hpa and tglx at KS. AFAICR, there's a
patchset in the works...

-- 
Regards/Gruss,
   Boris
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