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Re: More __get_user_asm_ll32 ...

Subject: Re: More __get_user_asm_ll32 ...
From: Atsushi Nemoto <>
Date: Wed, 14 Feb 2007 01:06:15 +0900 (JST)
In-reply-to: <>
Original-recipient: rfc822;
References: <>
On Tue, 13 Feb 2007 13:32:51 +0000, Ralf Baechle <> wrote:
> __get_user_asm_ll32 contains a junk move %0, $0 left over from an older
> version of the code.  Ignoring fixups code and data this instruction
> inflates the normal path in __get_user() by 50% which may explain much of
> the size and performance you have meassures.  It also always clears
> the error return, iow. __get_user_asm_ll32(..., &<something 64-bit>)
> would never have returned an error.  ARGH.

Why is it clears the error return?  The "3:" label is just after the
junk move.

Atsushi Nemoto

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