From: "Liu, Jingqi" <jingqi.liu@intel.com>
To: Chao Gao <chao.gao@intel.com>, <kvm@vger.kernel.org>
Cc: Jiaan Lu <jiaan.lu@intel.com>,
Paolo Bonzini <pbonzini@redhat.com>,
"Shuah Khan" <shuah@kernel.org>,
Arnaldo Carvalho de Melo <acme@redhat.com>,
"Borislav Petkov" <bp@suse.de>,
Pawan Gupta <pawan.kumar.gupta@linux.intel.com>,
"Zhang Chen" <chen.zhang@intel.com>,
Daniel Sneddon <daniel.sneddon@linux.intel.com>,
<linux-kernel@vger.kernel.org>, <linux-kselftest@vger.kernel.org>
Subject: Re: [RFC PATCH v2 10/11] KVM: selftests: Add tests for virtual enumeration/mitigation MSRs
Date: Mon, 22 May 2023 17:39:41 +0800 [thread overview]
Message-ID: <4f548084-3739-b0b0-8a18-1384393fbfe1@intel.com> (raw)
In-Reply-To: <20230414062545.270178-11-chao.gao@intel.com>
On 4/14/2023 2:25 PM, Chao Gao wrote:
> Three virtual MSRs added for guest to report the usage of software
Seems it's better like below.
s/Three virtual MSRs added/Add three virtual MSRs ?
> mitigations. They are enumerated in an architectural way. Try to
> access the three MSRs to ensure the behavior is expected:
> Specifically,
>
> 1. below three cases should cause #GP:
> * access to a non-present MSR
> * write to read-only MSRs
> * toggling reserved bit of a writeable MSR
>
> 2. rdmsr/wrmsr in other cases should succeed
>
> 3. rdmsr should return the value last written
>
> Signed-off-by: Chao Gao <chao.gao@intel.com>
> ---
Thanks,
Jingqi
next prev parent reply other threads:[~2023-05-22 9:40 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-04-14 6:25 [RFC PATCH v2 00/11] Intel IA32_SPEC_CTRL Virtualization Chao Gao
2023-04-14 6:25 ` [RFC PATCH v2 01/11] x86/msr-index: Add bit definitions for BHI_DIS_S and BHI_NO Chao Gao
2023-04-14 9:52 ` Binbin Wu
2023-04-14 6:25 ` [RFC PATCH v2 02/11] KVM: x86: Advertise CPUID.7.2.EDX and RRSBA_CTRL support Chao Gao
2023-04-16 7:04 ` Binbin Wu
2023-04-16 13:25 ` Chao Gao
2023-05-15 6:53 ` Xiaoyao Li
2023-05-16 2:04 ` Chao Gao
2023-05-16 2:22 ` Xiaoyao Li
2023-05-16 3:01 ` Chao Gao
2023-05-16 7:03 ` Xiaoyao Li
2023-05-16 9:09 ` Chao Gao
2023-05-18 9:50 ` Xiaoyao Li
2023-05-19 9:43 ` Chao Gao
2023-04-14 6:25 ` [RFC PATCH v2 03/11] KVM: x86: Advertise BHI_CTRL support Chao Gao
2023-05-15 7:14 ` Xiaoyao Li
2023-04-14 6:25 ` [RFC PATCH v2 04/11] KVM: VMX: Add IA32_SPEC_CTRL virtualization support Chao Gao
2023-04-17 3:17 ` Binbin Wu
2023-04-18 2:07 ` Chao Gao
2023-04-17 6:48 ` Chenyi Qiang
2023-04-17 7:31 ` Chao Gao
2023-05-16 7:16 ` Xiaoyao Li
2023-05-16 9:20 ` Chao Gao
2023-04-14 6:25 ` [RFC PATCH v2 05/11] x86/bugs: Use Virtual MSRs to request hardware mitigations Chao Gao
2023-04-17 13:43 ` Binbin Wu
2023-04-18 2:01 ` Chao Gao
2023-04-14 6:25 ` [RFC PATCH v2 06/11] KVM: x86: Advertise ARCH_CAP_VIRTUAL_ENUM support Chao Gao
2023-05-18 10:14 ` Xiaoyao Li
2023-05-19 9:57 ` Chao Gao
2023-05-22 1:02 ` Xiaoyao Li
2023-04-14 6:25 ` [RFC PATCH v2 07/11] KVM: VMX: Advertise MITIGATION_CTRL support Chao Gao
2023-04-14 6:25 ` [RFC PATCH v2 08/11] KVM: VMX: Advertise MITI_ENUM_RETPOLINE_S_SUPPORT Chao Gao
2023-05-18 10:25 ` Xiaoyao Li
2023-05-19 10:26 ` Chao Gao
2023-05-22 9:43 ` Liu, Jingqi
2023-04-14 6:25 ` [RFC PATCH v2 09/11] KVM: VMX: Advertise MITI_CTRL_BHB_CLEAR_SEQ_S_SUPPORT Chao Gao
2023-05-22 9:41 ` Liu, Jingqi
2023-04-14 6:25 ` [RFC PATCH v2 10/11] KVM: selftests: Add tests for virtual enumeration/mitigation MSRs Chao Gao
2023-05-22 9:39 ` Liu, Jingqi [this message]
2023-04-14 6:25 ` [RFC PATCH v2 11/11] KVM: selftests: Add tests for IA32_SPEC_CTRL MSR Chao Gao
2023-04-14 9:51 ` [RFC PATCH v2 00/11] Intel IA32_SPEC_CTRL Virtualization Binbin Wu
2023-04-14 22:10 ` Pawan Gupta
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