linux-kernel - RE: [PATCH 6/6] cpuid neatening.

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Date:	Sun, 23 Jul 2006 01:22:45 +1000
From:	Rusty Russell <rusty@...tcorp.com.au>
To:	Andrew Morton <akpm@...l.org>
Cc:	David Schwartz <davids@...master.com>,
	lkml - Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH 6/6] cpuid neatening.


> > +static inline void __cpuid(unsigned int *eax, unsigned int *ebx,
> > +			   unsigned int *ecx, unsigned int *edx)
> > +{
> > +	/* ecx is often an input as well as an output. */
> > +	__asm__("cpuid"
> > +		: "=a" (*eax),
> > +		  "=b" (*ebx),
> > +		  "=c" (*ecx),
> > +		  "=d" (*edx)
> > +		: "0" (*eax), "2" (*ecx));
> > +}
> > +
> 
> 	Shouldn't that be:
> 
> __asm__("cpuid"
> : "+a" (*eax),
>   "=b" (*ebx),
>   "+c" (*ecx),
>   "=d" (*edx)
> );

Perhaps?  I copied the existing code...

Rusty.
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