From: Like Xu <like.xu.linux@gmail.com>
To: Yang Weijiang <weijiang.yang@intel.com>
Cc: kvm@vger.kernel.org,
"Paolo Bonzini - Distinguished Engineer (kernel-recipes.org)
(KVM HoF)" <pbonzini@redhat.com>
Subject: Re: [kvm-unit-tests PATCH 3/3] x86: Skip perf related tests when pmu is disabled
Date: Fri, 10 Jun 2022 08:14:27 +0800 [thread overview]
Message-ID: <587f8bc5-76fc-6cd7-d3d7-3a712c3f1274@gmail.com> (raw)
In-Reply-To: <20220609083916.36658-4-weijiang.yang@intel.com>
On 9/6/2022 4:39 pm, Yang Weijiang wrote:
> executing rdpmc leads to #GP,
RDPMC still works on processors that do not support architectural performance
monitoring.
The #GP will violate ISA, and try to treat it as NOP (plus EAX=EDX=0) if
!enable_pmu.
next prev parent reply other threads:[~2022-06-10 0:14 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-06-09 8:39 [kvm-unit-tests PATCH 0/3] Fix up test failures induced by !enable_pmu Yang Weijiang
2022-06-09 8:39 ` [kvm-unit-tests PATCH 1/3] x86: Remove perf enable bit from default config Yang Weijiang
2022-06-09 8:39 ` [kvm-unit-tests PATCH 2/3] x86: Skip running test when pmu is disabled Yang Weijiang
2022-06-09 23:57 ` Like Xu
2022-06-10 1:40 ` Yang, Weijiang
2022-06-09 8:39 ` [kvm-unit-tests PATCH 3/3] x86: Skip perf related tests " Yang Weijiang
2022-06-10 0:14 ` Like Xu [this message]
2022-06-10 1:47 ` Yang, Weijiang
2022-06-10 2:24 ` Jim Mattson
2022-06-10 2:48 ` Like Xu
2022-06-10 4:16 ` Jim Mattson
2022-06-10 4:22 ` Jim Mattson
2022-06-10 4:56 ` Like Xu
2022-06-10 6:03 ` Yang, Weijiang
2022-06-10 0:02 ` [kvm-unit-tests PATCH 0/3] Fix up test failures induced by !enable_pmu Like Xu
2022-06-10 6:29 ` Yang, Weijiang
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