On Thu, 26 Oct 2023 14:32:44 -0400 Tony Krowiak <akrowiak@xxxxxxxxxxxxx> wrote: > Since this scenario is very unlikely to happen and there is no status > response code to indicate an invalid ISC value, let's set the Again invalid ISC won't happen except for hypervisor messes up. > response code to 06 indicating 'Invalid address of AP-queue notification > byte'. While this is not entirely accurate, it is better than indicating > that the ZONE/GISA designation is invalid which is something the guest > can do nothing about since those values are set by the hypervisor. And more importantly AP_RESPONSE_INVALID_GISA is not valid for G2 in the given scenario, since G2 is not trying to set up interrupts on behalf of the G3 with a G3 GISA, but G2 is trying to set up interrupts for itself. And then AP_RESPONSE_INVALID_GISA is architecturally simply not a valid RC! > > Signed-off-by: Anthony Krowiak <akrowiak@xxxxxxxxxxxxx> > Suggested-by: Halil Pasic <pasic@xxxxxxxxxxxxx> Except for the explanation in the commit message, the patch is good. It is up to you if you want to fix the commit message or not. Reviewed-by: Halil Pasic <pasic@xxxxxxxxxxxxx>