From mboxrd@z Thu Jan  1 00:00:00 1970
From: Steven Rostedt <rostedt@goodmis.org>
Subject: Re: gcc inlining heuristics was Re: [PATCH -v7][RFC]: mutex: implement
 adaptive spinning
Date: Mon, 12 Jan 2009 20:30:04 -0500 (EST)
Message-ID: <alpine.DEB.1.10.0901122027450.28952@gandalf.stny.rr.com>
References: <20090111201427.GP26290@one.firstfloor.org> <1231704939.25018.548.camel@macbook.infradead.org> <20090111203441.GQ26290@one.firstfloor.org> <alpine.LFD.2.00.0901111248060.6528@localhost.localdomain> <alpine.LFD.2.00.0901111458290.6528@localhost.localdomain>
 <20090112001255.GR26290@one.firstfloor.org> <alpine.LFD.2.00.0901111619400.6528@localhost.localdomain> <20090112005228.GS26290@one.firstfloor.org> <496B86B5.3090707@t-online.de> <alpine.LFD.2.00.0901121034170.6528@localhost.localdomain>
 <20090112193201.GA23848@one.firstfloor.org> <alpine.LFD.2.00.0901121128080.6528@localhost.localdomain> <496BBE27.2020206@t-online.de> <alpine.LFD.2.00.0901121602230.6528@localhost.localdomain>
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Cc: Bernd Schmidt <bernds_cb1@t-online.de>,
	Andi Kleen <andi@firstfloor.org>,
	David Woodhouse <dwmw2@infradead.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	Ingo Molnar <mingo@elte.hu>,
	Harvey Harrison <harvey.harrison@gmail.com>,
	"H. Peter Anvin" <hpa@zytor.com>,
	Chris Mason <chris.mason@oracle.com>,
	Peter Zijlstra <peterz@infradead.org>,
	paulmck@linux.vnet.ibm.com, Gregory Haskins <ghaskins@novell.com>,
	Matthew Wilcox <matthew@wil.cx>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	linux-fsdevel <linux-fsdevel@vger.kernel.org>,
	linux-btrfs <linux-btrfs@vger.kernel.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	Nick Piggin <npiggin@suse.de>,
	Peter Morreale <pmorreale@novell.com>,
	Sven Dietrich <SDietrich@novell.com>, jh@suse.cz
To: Linus Torvalds <torvalds@linux-foundation.org>
Return-path: <linux-fsdevel-owner@vger.kernel.org>
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List-ID: <linux-btrfs.vger.kernel.org>


<comic relief>

On Mon, 12 Jan 2009, Linus Torvalds wrote:

>   code tends to get a lot more I$ and D$ misses. Deep call-chains _will_ 

I feel like an idiot that I never realized that "I$" meant
"instruction cache" until now :-p

</comic relief>

-- Steve