linux-kernel - Re: [PATCH 3/6] x86,64: Simplify save

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Message-ID: <m2sjqj71ot.fsf@firstfloor.org>
Date:	Wed, 06 Jul 2011 10:34:42 -0700
From:	Andi Kleen <andi@...stfloor.org>
To:	Frederic Weisbecker <fweisbec@...il.com>
Cc:	Jan Beulich <JBeulich@...ell.com>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Ingo Molnar <mingo@...e.hu>,
	Thomas Gleixner <tglx@...utronix.de>,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	LKML <linux-kernel@...r.kernel.org>,
	"H. Peter Anvin" <hpa@...or.com>
Subject: Re: [PATCH 3/6] x86,64: Simplify save_regs()

Frederic Weisbecker <fweisbec@...il.com> writes:
>
> I really did not think about code duplication, considering
> it's better to optimize the irq entry path.
>
> What do you guys think? We can still revert the whole patchset.

FWIW I think it should be a macro, like it was in the original code.

Optimizing entry*.S for code size doesn't make a lot of sense.

-Andi

-- 
ak@...ux.intel.com -- Speaking for myself only
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