On Tue, Nov 16, 2021 at 11:26 AM Sean Christopherson <seanjc@xxxxxxxxxx> wrote: > > On Tue, Nov 16, 2021, Joerg Roedel wrote: > > But as Marc already pointed out, the kernel needs a plan B when an RMP > > happens anyway due to some bug. > > I don't see why unexpected RMP #PF is a special snowflake that needs a different > plan than literally every other type of unexpected #PF in the kernel. When I started this thread I was not trying to say we *need* to do something different for RMP faults, but that we *could* improve host reliability by doing something. Since it is possible to special case an RMP fault and prevent a panic I thought it was with discussing.