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Subject: Re: Intel P6 vs P7 system call performance
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Ulrich Drepper <drepper@redhat.com>
Cc: Linus Torvalds <torvalds@transmeta.com>,
       Dave Jones <davej@codemonkey.org.uk>, Ingo Molnar <mingo@elte.hu>,
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On Tue, 2002-12-17 at 18:48, Ulrich Drepper wrote:
> Alan Cox wrote:
> 
> > Is there any reason you can't just keep the linker out of the entire
> > mess by generating
> > 
> > 	.byte whatever
> > 	.dword 0xFFFF0000
> > 
> > instead of call ?
> 
> There is no such instruction.  Unless you know about some secret
> undocumented opcode...

No I'd forgotten how broken x86 was

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