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Message-ID: <87iqvtpxpw.fsf@basil.nowhere.org>
Date: Sat, 28 Jun 2008 14:09:47 +0200
From: Andi Kleen <andi@...stfloor.org>
To: Glauber Costa <gcosta@...hat.com>
Cc: linux-kernel@...r.kernel.org, tglx@...utronix.de, mingo@...e.hu,
x86@...nel.org
Subject: Re: [PATCH 12/39] introduce __ASM_REG macro
Glauber Costa <gcosta@...hat.com> writes:
> There are situations in which the architecture wants to use the
> register that represents its word-size, whatever it is. For those,
> introduce __ASM_REG in asm.h, along with the first users _ASM_AX
> and _ASM_DX. They have users waiting for it, namely the getuser
> functions.
FYI the ABI of the 64bit get_user was designed for minimal
code size originally. You should check for regressions if you
change that.
-Andi
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