[PATCH][0/2] RTAS MSI
Jake Moilanen
moilanen at austin.ibm.com
Sat Jul 29 04:42:21 EST 2006
On Fri, 2006-07-28 at 20:43 +0200, Segher Boessenkool wrote:
> >> The RTAS patch skips the intel-centric MSI layer and uses
> >> pci_enable/disable_msi() calls directly. It does not correctly
> >> handle
> >> multi-vector MSI either.
> >
> > Multi-vector MSIs aren't handled by the linux API anyway it seems (the
> > doc says pci_enable_msi() only ever enables one MSI) so that's fine if
> > you don't handle them :) The word on the street is that multivector
> > MSIs
> > aren't useful, MSI-X are.
>
> pci_enable_msi() should always enable exactly one or zero MSIs. Maybe
> Jake's patch doesn't follow this rule, and that is what he alluded to?
Sorry, I was less-than-clear. I was going to use this same framework
for MSI-X, and I was saying that it is not being correctly handled at
this point.
Jake
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