On Tue, Nov 2, 2021 at 2:47 AM Oliver Upton <oupton@xxxxxxxxxx> wrote: > > Any valid implementation of the architecture should generate an > undefined exception for writes to a read-only register, such as > OSLSR_EL1. Nonetheless, the KVM handler actually implements write-ignore > behavior. > > Align the trap handler for OSLSR_EL1 with hardware behavior. If such a > write ever traps to EL2, inject an undef into the guest and print a > warning. > > Signed-off-by: Oliver Upton <oupton@xxxxxxxxxx> Reviewed-by: Reiji Watanabe <reijiw@xxxxxxxxxx> Thanks, Reiji
