On Thu, Feb 15, 2018 at 10:03:25PM +0100, Christoffer Dall wrote: > We do not have to change the c15 trap setting on each switch to/from the > guest on VHE systems, because this setting only affects EL0. > > The PMU and debug trap configuration can also be done on vcpu load/put > instead, because they don't affect how the host kernel can access the > debug registers while executing KVM kernel code. > > Signed-off-by: Christoffer Dall <christoffer.dall@xxxxxxxxxx> > --- > arch/arm64/include/asm/kvm_hyp.h | 3 +++ > arch/arm64/kvm/hyp/switch.c | 31 ++++++++++++++++++++++--------- > arch/arm64/kvm/hyp/sysreg-sr.c | 4 ++++ > 3 files changed, 29 insertions(+), 9 deletions(-) > The last patch 32/40 probably should have been closer to 13/40 in this series. That would allow this patch to directly follow it's preparatory patch 31/40, but I'm just whiny reviewer... Reviewed-by: Andrew Jones <drjones@xxxxxxxxxx>
