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From: Sean Christopherson <sean.j.christopherson@intel.com>
To: Yang Weijiang <weijiang.yang@intel.com>
Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org,
	pbonzini@redhat.com, jmattson@google.com,
	yu.c.zhang@linux.intel.com
Subject: Re: [PATCH v12 00/10] Introduce support for guest CET feature
Date: Wed, 10 Jun 2020 09:56:36 -0700	[thread overview]
Message-ID: <20200610165635.GB18790@linux.intel.com> (raw)
In-Reply-To: <20200506082110.25441-1-weijiang.yang@intel.com>

On Wed, May 06, 2020 at 04:20:59PM +0800, Yang Weijiang wrote:
> Several parts in KVM have been updated to provide VM CET support, including:
> CPUID/XSAVES config, MSR pass-through, user space MSR access interface, 
> vmentry/vmexit config, nested VM etc. These patches have dependency on CET
> kernel patches for xsaves support and CET definitions, e.g., MSR and related
> feature flags.

Other than the MSR and cpufeatures flags definitions, is there any direct
dependency on kernel CET support?  I.e. if/when XSAVES support is merged,
is there anything beyond the architectural definitions that are required to
merge KVM CET virtualization?

  parent reply	other threads:[~2020-06-10 16:56 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-05-06  8:20 [PATCH v12 00/10] Introduce support for guest CET feature Yang Weijiang
2020-05-06  8:21 ` [PATCH v12 01/10] KVM: VMX: Introduce CET VMCS fields and flags Yang Weijiang
2020-05-06  8:21 ` [PATCH v12 02/10] KVM: VMX: Set guest CET MSRs per KVM and host configuration Yang Weijiang
2020-05-06  8:21 ` [PATCH v12 03/10] KVM: VMX: Configure CET settings upon guest CR0/4 changing Yang Weijiang
2020-05-06  8:21 ` [PATCH v12 04/10] KVM: x86: Refresh CPUID once guest changes XSS bits Yang Weijiang
2020-05-06  8:21 ` [PATCH v12 05/10] KVM: x86: Load guest fpu state when access MSRs managed by XSAVES Yang Weijiang
2020-05-06  8:21 ` [PATCH v12 06/10] KVM: x86: Add userspace access interface for CET MSRs Yang Weijiang
2020-05-07  5:09   ` kbuild test robot
2020-05-06  8:21 ` [PATCH v12 07/10] KVM: VMX: Enable CET support for nested VM Yang Weijiang
2020-05-06  8:21 ` [PATCH v12 08/10] KVM: VMX: Add VMCS dump and sanity check for CET states Yang Weijiang
2020-05-06  8:21 ` [PATCH v12 09/10] KVM: x86: Add #CP support in guest exception dispatch Yang Weijiang
2020-05-06  8:21 ` [PATCH v12 10/10] KVM: x86: Enable CET virtualization and advertise CET to userspace Yang Weijiang
2020-05-20  5:18   ` Sean Christopherson
2020-05-06  8:21 ` [kvm-unit-tests PATCH v2] x86: Add test cases for user-mode CET validation Yang Weijiang
2020-05-18  8:42 ` [PATCH v12 00/10] Introduce support for guest CET feature Yang Weijiang
2020-05-19  6:06   ` Sean Christopherson
2020-06-10 16:56 ` Sean Christopherson [this message]
2020-06-11  1:29   ` Yang Weijiang
2020-06-23 18:39     ` Sean Christopherson
2020-06-24  5:56       ` Yang Weijiang

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