On 2024/5/10 17:53, Jürgen Groß wrote: > On 10.05.24 11:06, Chen, Jiqian wrote: >> Hi, >> >> On 2024/5/10 14:46, Jürgen Groß wrote: >>> On 19.04.24 05:36, Jiqian Chen wrote: >>>> + >>>> + info->type = IRQT_PIRQ; >> I am considering whether I need to use a new type(like IRQT_GSI) here to distinguish with IRQT_PIRQ, because function restore_pirqs will process all IRQT_PIRQ. > > restore_pirqs() already considers gsi == 0 to be not GSI related. Isn't this > enough? No, it is not enough. xen_pvh_add_gsi_irq_map adds the mapping of gsi and irq, but the value of gsi is not 0, once restore_pirqs is called, it will do PHYSDEVOP_map_pirq for that gsi, but in pvh dom0, we shouldn't do PHYSDEVOP_map_pirq. > > > Juergen -- Best regards, Jiqian Chen.