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: <sta...@vger.kernel.org> > Cc: Marc Zyngier <marc.zyng...@arm.com> > Signed-off-by: Will Deacon <will.dea...@arm.com>
Reviewed-by: Marc Zyngier <marc.zyng...@arm.com> I'll queue that together with the next batch of fixes. Thanks, M. -- Jazz is not dead. It just smells funny... _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel