From mboxrd@z Thu Jan  1 00:00:00 1970
From: Andi Kleen <andi@firstfloor.org>
Subject: Re: [patch] measurements, numbers about CONFIG_OPTIMIZE_INLINING=y impact
Date: Fri, 9 Jan 2009 20:21:58 +0100
Message-ID: <20090109192158.GK26290@one.firstfloor.org>
References: <20090109153508.GA4671@elte.hu> <49677CB1.3030701@zytor.com> <20090109084620.3c711aad@infradead.org> <20090109172011.GD26290@one.firstfloor.org> <20090109172801.GC6936@parisc-linux.org> <20090109174719.GG26290@one.firstfloor.org> <20090109173914.GD6936@parisc-linux.org> <alpine.LFD.2.00.0901090947080.6528@localhost.localdomain> <20090109181952.GI26290@one.firstfloor.org> <84fc9c000901091059v65265413wda053d3ce5b0d17a@mail.gmail.com>
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Cc: Andi Kleen <andi@firstfloor.org>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	Matthew Wilcox <matthew@wil.cx>,
	Dirk Hohndel <hohndel@infradead.org>,
	"H. Peter Anvin" <hpa@zytor.com>, Ingo Molnar <mingo@elte.hu>,
	jim owens <jowens@hp.com>,
	Chris Mason <chris.mason@oracle.com>,
	Peter Zijlstra <peterz@infradead.org>,
	Steven Rostedt <rostedt@goodmis.org>,
	paulmck@linux.vnet.ibm.com, Gregory Haskins <ghaskins@novell.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	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: Richard Guenther <richard.guenther@gmail.com>
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> GCC 4.3 should be good in compiling the
> kernel with default -Os settings.  

It's unfortunately not. It doesn't inline a lot of simple asm() inlines
for example.

-Andi
-- 
ak@linux.intel.com