On 2020/7/8 19:09, Paolo Bonzini wrote:
On 08/07/20 09:51, Xu, Like wrote:
Kindly ping.
I think we may need this patch, as we limit the maximum vPMU version to 2:
eax.split.version_id = min(cap.version, 2);
I don't think this is a problem. Are you planning to add support for
the fourth c
On 08/07/20 09:51, Xu, Like wrote:
> Kindly ping.
>
> I think we may need this patch, as we limit the maximum vPMU version to 2:
> eax.split.version_id = min(cap.version, 2);
I don't think this is a problem. Are you planning to add support for
the fourth counter?
Paolo
On 24/06/20 03:59, Like Xu wrote:
> Some new Intel platforms (such as TGL) already have the
> fourth fixed counter TOPDOWN.SLOTS, but it has not been
> fully enabled on KVM and the host.
>
> Therefore, we limit edx.split.num_counters_fixed to 3,
> so that it does not break the kvm-unit-tests PMU t
Kindly ping.
I think we may need this patch, as we limit the maximum vPMU version to 2:
eax.split.version_id = min(cap.version, 2);
Thanks,
Like Xu
On 2020/6/24 9:59, Like Xu wrote:
Some new Intel platforms (such as TGL) already have the
fourth fixed counter TOPDOWN.SLOTS, but it has not b
Some new Intel platforms (such as TGL) already have the
fourth fixed counter TOPDOWN.SLOTS, but it has not been
fully enabled on KVM and the host.
Therefore, we limit edx.split.num_counters_fixed to 3,
so that it does not break the kvm-unit-tests PMU test
case and bad-handled userspace.
Signed-of
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