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From: Andi Kleen <ak@suse.de>
To: Andreas Mohr <andi@rhlx01.fht-esslingen.de>
Subject: Re: [PATCH RFC 0/6] Implement per-processor data areas for i386.
Date: Sun, 27 Aug 2006 20:04:38 +0200
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> Something like that had to be done eventually about the inefficient
> current_thread_info() mechanism, 

Inefficient? It's two fast instructions. I won't call that inefficient.

> I guess it's due to having tried that on an older installation with gcc 3.2,
> which probably does less efficient opcode merging of current_thread_info()
> requests compared to a current gcc version.

gcc normally doesn't merge inline assembly at all.

-Andi