On 07.06.2024 10:11, Jiqian Chen wrote: > On PVH dom0, the gsis don't get registered, but > the gsi of a passthrough device must be configured for it to > be able to be mapped into a hvm domU. > On Linux kernel side, it calles PHYSDEVOP_setup_gsi for > passthrough devices to register gsi when dom0 is PVH.
"it calls" implies that ... > So, add PHYSDEVOP_setup_gsi for above purpose. > > Signed-off-by: Huang Rui <[email protected]> > Signed-off-by: Jiqian Chen <[email protected]> > --- > The code link that will call this hypercall on linux kernel side is as follows > https://lore.kernel.org/lkml/[email protected]/T/#u ... the code only to be added there would already be upstream. As I think the hypervisor change wants to come first, this part of the description will want re-wording to along the lines of "will need to" or some such. As to GSIs not being registered: If that's not a problem for Dom0's own operation, I think it'll also want/need explaining why what is sufficient for Dom0 alone isn't sufficient when pass-through comes into play. Jan
