Re: [PATCH v5 11/19] KVM:VMX: Emulate read and write to CET MSRs

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Subject: Re: [PATCH v5 11/19] KVM:VMX: Emulate read and write to CET MSRs
From: Paolo Bonzini <pbonzini@xxxxxxxxxx>
Date: Fri, 4 Aug 2023 23:40:44 +0200
Cc: rick.p.edgecombe@xxxxxxxxx, chao.gao@xxxxxxxxx, binbin.wu@xxxxxxxxxxxxxxx
In-reply-to: <20230803042732.88515-12-weijiang.yang@intel.com>
References: <20230803042732.88515-1-weijiang.yang@intel.com> <20230803042732.88515-12-weijiang.yang@intel.com>
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.13.0

On 8/3/23 06:27, Yang Weijiang wrote:

+		if (msr_info->index == MSR_KVM_GUEST_SSP)
+			msr_info->data = vmcs_readl(GUEST_SSP);


Accesses to MSR_KVM_(GUEST_)SSP must be rejected unless host-initiated.

Paolo

Follow-Ups:
- Re: [PATCH v5 11/19] KVM:VMX: Emulate read and write to CET MSRs
  - From: Yang, Weijiang

References:
- [PATCH v5 00/19] Enable CET Virtualization
  - From: Yang Weijiang
- [PATCH v5 11/19] KVM:VMX: Emulate read and write to CET MSRs
  - From: Yang Weijiang

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