On Sat, Jan 21, 2023 at 04:33:14PM +0100, Mateusz Jończyk wrote: > On some platforms, the ACPI _PRT function returns duplicate interrupt > routing entries. Linux uses the first matching entry, but sometimes the > second matching entry contains the correct interrupt vector. > > Print an error to dmesg if duplicate interrupt routing entries are > present, so that we could check how many models are affected. It shouldn't be too hard to use qemu to figure out whether Windows uses the last matching entry, i.e., treating _PRT entries as assignments. If so, maybe Linux could just do the same. Is anybody up for that? Bjorn
