On 2024/6/11 00:04, Jan Beulich wrote: > 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 <ray.hu...@amd.com> >> Signed-off-by: Jiqian Chen <jiqian.c...@amd.com> >> --- >> The code link that will call this hypercall on linux kernel side is as >> follows >> https://lore.kernel.org/lkml/20240607075109.126277-3-jiqian.c...@amd.com/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. Thanks, I will change in next version.
> > 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. OK, I will add in next version. > > Jan -- Best regards, Jiqian Chen.
