[RFC] asm code for Hypervisor Call Instrumentation

Mike Kravetz kravetz at us.ibm.com
Thu Aug 3 14:05:06 EST 2006


On Thu, Aug 03, 2006 at 01:57:17PM +1000, Stephen Rothwell wrote:
> Hi Mike,
> 
> On Wed, 2 Aug 2006 10:59:47 -0700 Mike Kravetz <kravetz at us.ibm.com> wrote:
> >
> > +#else
> > +
> > +#define STACKFRAMESIZE	0
> > +#define HCALL_INST_PRECALL	nop
> > +#define HCALL_INST_POSTCALL	nop
> 
> Why even "nop", why not just blank?

At first I was concerned about macro expansion and knew a 'nop'
would be ok.  Intended to go back and try 'blank', but forgot.
I'll give it a try.

-- 
Mike



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