From mboxrd@z Thu Jan  1 00:00:00 1970
From: Andi Kleen <andi@firstfloor.org>
Subject: Re: [PATCH] x86_emulate: Emulate nop (0x90) instruction
Date: Sat, 14 Jun 2008 17:08:58 +0200
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References: <52d4a3890806140450k14a13025i3dd3a60187940804@mail.gmail.com>	 <87bq24no4z.fsf@basil.nowhere.org> <52d4a3890806140635g23ce598dlcba6b3a88ce69de9@mail.gmail.com>
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To: Mohammed Gamal <m.gamal005@gmail.com>
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> Thanks for pointing this out. 0x90 is also the opcode for xchg r8,rAX
> instruction.

But nop doesn't actually need to execute exchange.

-Andi