Re: [PULL 01/28] arm64: KVM: Hide PMU from guests when disabled

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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



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