On 10/04/19 16:33, Li Qiang wrote: > Hi all, > > > > I see the link device ‘_PRS’ uses irq line 5, 10, 11 in > ‘build_link_dev’ function. > > But I never see the 5 lines uses in the guest, just uses 10 and 11. > > Why this happen? Maybe related with the guest?
Because the MADT table tells the guest to only use lines 10 and 11. The BIOS configures the chipset that way. Paolo
