On Tue, Jan 03, 2006 at 04:27:38PM -0800, Greg KH wrote:
> On Tue, Jan 03, 2006 at 04:20:47PM -0800, Grant Grundler wrote:
> > On Tue, Jan 03, 2006 at 05:50:24PM -0600, Mark Maule wrote:
> > > > > +struct msi_ops msi_apic_ops = {
> > > > > + .setup = msi_setup_apic,
> > > > > + .teardown = msi_teardown_apic,
> > > > > +#ifdef CONFIG_SMP
> > > > > + .target = msi_target_apic,
> > > > > +#endif
> > > >
> > > > Mark,
> > > > msi_target_apic() initializes address_lo parameter.
> > > > Even on a UP machine, we need inialize this value.
> > >
> > > Not sure what you mean here. target is used to retarget an existing
> > > MSI vector to a different processor.
> >
> > Right - I didn't realize the caller, set_msi_affinity(), was surrounded by
> > "#ifdef CONFIG_SMP".
> >
> > But set_msi_affinity() appears to be dead code.
> > I couldn't find any calls to set_msi_affinity() in 2.6.14 or 2.6.15.
> > Greg, you want a patch to remove that?
>
> Yes please, that would be great to have.
>
> thanks,
>
> greg k-h
Is that really dead code? From msi.h:
#ifdef CONFIG_SMP
#define set_msi_irq_affinity set_msi_affinity
#else
#define set_msi_irq_affinity NULL
#endif
Mark
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