On Thu, Oct 19 2017 at 4:58:07 pm BST, James Morse <james.morse@xxxxxxx> wrote: > From: Dongjiu Geng <gengdongjiu@xxxxxxxxxx> > > ARMv8.2 adds a new bit HCR_EL2.TEA which routes synchronous external > aborts to EL2, and adds a trap control bit HCR_EL2.TERR which traps > all Non-secure EL1&0 error record accesses to EL2. > > This patch enables the two bits for the guest OS, guaranteeing that > KVM takes external aborts and traps attempts to access the physical > error registers. > > ERRIDR_EL1 advertises the number of error records, we return > zero meaning we can treat all the other registers as RAZ/WI too. > > Signed-off-by: Dongjiu Geng <gengdongjiu@xxxxxxxxxx> > [removed specific emulation, use trap_raz_wi() directly for everything, > rephrased parts of the commit message] > Signed-off-by: James Morse <james.morse@xxxxxxx> Reviewed-by: Marc Zyngier <marc.zyngier@xxxxxxx> M. -- Jazz is not dead. It just smells funny. _______________________________________________ kvmarm mailing list kvmarm@xxxxxxxxxxxxxxxxxxxxx https://lists.cs.columbia.edu/mailman/listinfo/kvmarm
