linux-kernel - Re: [PATCH 00/10] jump label: introduce very

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Message-ID: <4F453DB4.7090900@zytor.com>
Date:	Wed, 22 Feb 2012 11:10:44 -0800
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Jason Baron <jbaron@...hat.com>
CC:	Richard Henderson <rth@...hat.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Steven Rostedt <rostedt@...dmis.org>,
	Ingo Molnar <mingo@...e.hu>, mathieu.desnoyers@...icios.com,
	davem@...emloft.net, ddaney.cavm@...il.com,
	akpm@...ux-foundation.org, linux-kernel@...r.kernel.org,
	Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: [PATCH 00/10] jump label: introduce very_[un]likely + cleanups
 + docs

On 02/22/2012 10:58 AM, Jason Baron wrote:
> 
> I don't think I ever quite got it working, and I've unfortunately
> misplaced it at this point. I am definitely interested in trying it
> again though. If you can re-send it, I'll try it.
> 
> Also, I think I seem to recall it wouldn't help the -Os case, b/c we
> don't get block re-ordering?
> 

With -Os, your code is going to suck eggs no matter what.

	-hpa



-- 
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel.  I don't speak on their behalf.

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