On 14/09/15 16:06, Will Deacon wrote: > When restoring the system register state for an AArch32 guest at EL2, > writes to DACR32_EL2 may not be correctly synchronised by Cortex-A57, > which can lead to the guest effectively running with junk in the DACR > and running into unexpected domain faults. > > This patch works around the issue by re-ordering our restoration of the > AArch32 register aliases so that they happen before the AArch64 system > registers. Ensuring that the registers are restored in this order > guarantees that they will be correctly synchronised by the core. > > Cc: <stable@xxxxxxxxxxxxxxx> > Cc: Marc Zyngier <marc.zyngier@xxxxxxx> > Signed-off-by: Will Deacon <will.deacon@xxxxxxx> Reviewed-by: Marc Zyngier <marc.zyngier@xxxxxxx> I'll queue that together with the next batch of fixes. Thanks, M. -- Jazz is not dead. It just smells funny... -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
