Hi Drew, On Wed, Jan 31, 2018 at 11:54 AM, Andrew Jones <drjones@xxxxxxxxxx> wrote: > On Wed, Jan 31, 2018 at 10:34:40AM +0100, Christoffer Dall wrote: >> From: Andrew Jones <drjones@xxxxxxxxxx> >> >> Since commit 93390c0a1b20 ("arm64: KVM: Hide unsupported AArch64 CPU >> features from guests") we can hide cpu features from guests. Apply >> this to a long standing issue where guests see a PMU available, but >> it's not, because it was not enabled by KVM's userspace. >> >> Signed-off-by: Andrew Jones <drjones@xxxxxxxxxx> >> Signed-off-by: Christoffer Dall <christoffer.dall@xxxxxxxxxx> >> --- >> arch/arm64/kvm/sys_regs.c | 35 +++++++++++++++++++++-------------- >> 1 file changed, 21 insertions(+), 14 deletions(-) >> > > I think this patch got into the PULL by mistake, because you pointed out > to me a while back that it broke migration. > Patch 12 reverts the patch - I didn't feel like rebasing next with all the other things that are going on for this merge window. Thanks, -Christoffer