On Tue, 2023-07-25 at 08:03 -0400, Michael S. Tsirkin wrote: > On Tue, Jul 25, 2023 at 11:01:16AM +0100, David Woodhouse wrote: > > From: David Woodhouse <d...@amazon.co.uk> > > > > A generic X86IOMMUClass->int_remap function should not return VT-d > > specific values; fix it to return 0 if the interrupt was successfully > > translated or -EINVAL if not. > > > > The VTD_FR_IR_xxx values are supposed to be used to actually raise > > faults through the fault reporting mechanism, so do that instead for > > the case where the IRQ is actually being injected. > > > > There is more work to be done here, as pretranslations for the KVM IRQ > > routing table can't fault; an untranslatable IRQ should be handled in > > userspace and the fault raised only when the IRQ actually happens (if > > indeed the IRTE is still not valid at that time). But we can work on > > that later; we can at least raise faults for the direct case. > > > > Signed-off-by: David Woodhouse <d...@amazon.co.uk> > > > looks like post 8.1 material yes?
Makes sense. I just found it lying around in my tree and figured it was better posted than sitting there for another few months. I do still want to get round to fixing the reports for passthrough interrupts at some point. That annoys me. :)
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