linux-kernel - Re: [PATCH RFC 3/6] Use %gs as the PDA base-segment in the kernel.

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Message-ID: <44F22CF7.1030909@goop.org>
Date:	Sun, 27 Aug 2006 16:38:31 -0700
From:	Jeremy Fitzhardinge <jeremy@...p.org>
To:	Andi Kleen <ak@...e.de>
CC:	linux-kernel@...r.kernel.org,
	Chuck Ebbert <76306.1226@...puserve.com>,
	Zachary Amsden <zach@...are.com>,
	Jan Beulich <jbeulich@...ell.com>,
	Andrew Morton <akpm@...l.org>
Subject: Re: [PATCH RFC 3/6] Use %gs as the PDA base-segment in the kernel.

Andi Kleen wrote:
>>> movl is recommended in 32bit mode
>>>   
>>>       
>> arch/i386/kernel/entry.S: Assembler messages:
>> arch/i386/kernel/entry.S:334: Error: suffix or operands invalid for `mov'
>>     
>
> Looks like a gas bug to me.
>   

Well, it generates the 32-bit form of the instruction (no 0x66 prefix) 
anyway.

    J
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