From: Sean Christopherson <seanjc@google.com>
To: Chao Gao <chao.gao@intel.com>
Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org,
acme@redhat.com, bp@alien8.de, dave.hansen@linux.intel.com,
hpa@zytor.com, john.allen@amd.com, mingo@kernel.org,
mingo@redhat.com, minipli@grsecurity.net, mlevitsk@redhat.com,
namhyung@kernel.org, pbonzini@redhat.com, prsampat@amd.com,
rick.p.edgecombe@intel.com, shuah@kernel.org,
tglx@linutronix.de, x86@kernel.org, xin@zytor.com,
xiaoyao.li@intel.com
Subject: Re: [PATCH v14 00/22] Enable CET Virtualization
Date: Wed, 10 Sep 2025 11:29:44 -0700 [thread overview]
Message-ID: <aMHDmGmW8QzyDv7X@google.com> (raw)
In-Reply-To: <aL/4548thhQFylmp@intel.com>
On Tue, Sep 09, 2025, Chao Gao wrote:
> On Tue, Sep 09, 2025 at 02:39:31AM -0700, Chao Gao wrote:
> >The FPU support for CET virtualization has already been merged into 6.17-rc1.
> >Building on that, this series introduces Intel CET virtualization support for
> >KVM.
> >
> >Changes in v14
> >1. rename the type of guest SSP register to KVM_X86_REG_KVM and add docs
> > for register IDs in api.rst (Sean, Xiaoyao)
> >2. update commit message of patch 1
> >3. use rdmsrq/wrmsrq() instead of rdmsrl/wrmsrl() in patch 6 (Xin)
> >4. split the introduction of per-guest guest_supported_xss into a
> >separate patch. (Xiaoyao)
> >5. make guest FPU and VMCS consistent regarding MSR_IA32_S_CET
> >6. collect reviews from Xiaoyao.
>
> (Removed Weijiang's Intel email as it is bouncing)
Yeah, I'll try to remember to filter it out. I'll post a v15, I have a decent
number of local changes and fixes (see responses, hopefully I captured everything),
along with a more comprehensive selftest.
prev parent reply other threads:[~2025-09-10 18:29 UTC|newest]
Thread overview: 53+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-09-09 9:39 [PATCH v14 00/22] Enable CET Virtualization Chao Gao
2025-09-09 9:39 ` [PATCH v14 01/22] KVM: x86: Introduce KVM_{G,S}ET_ONE_REG uAPIs support Chao Gao
2025-09-10 9:03 ` Xiaoyao Li
2025-09-10 17:17 ` Sean Christopherson
2025-09-10 17:35 ` Sean Christopherson
2025-09-09 9:39 ` [PATCH v14 02/22] KVM: x86: Report XSS as to-be-saved if there are supported features Chao Gao
2025-09-11 6:52 ` Binbin Wu
2025-09-09 9:39 ` [PATCH v14 03/22] KVM: x86: Check XSS validity against guest CPUIDs Chao Gao
2025-09-10 9:22 ` Xiaoyao Li
2025-09-10 11:33 ` Chao Gao
2025-09-10 18:47 ` Sean Christopherson
2025-09-09 9:39 ` [PATCH v14 04/22] KVM: x86: Refresh CPUID on write to guest MSR_IA32_XSS Chao Gao
2025-09-10 9:23 ` Xiaoyao Li
2025-09-11 7:02 ` Binbin Wu
2025-09-09 9:39 ` [PATCH v14 05/22] KVM: x86: Initialize kvm_caps.supported_xss Chao Gao
2025-09-10 9:36 ` Xiaoyao Li
2025-09-09 9:39 ` [PATCH v14 06/22] KVM: x86: Load guest FPU state when access XSAVE-managed MSRs Chao Gao
2025-09-10 9:37 ` Xiaoyao Li
2025-09-10 11:18 ` Chao Gao
2025-09-10 13:46 ` Xiaoyao Li
2025-09-10 15:24 ` Chao Gao
2025-09-10 17:50 ` Sean Christopherson
2025-09-09 9:39 ` [PATCH v14 07/22] KVM: x86: Add fault checks for guest CR4.CET setting Chao Gao
2025-09-10 9:38 ` Xiaoyao Li
2025-09-09 9:39 ` [PATCH v14 08/22] KVM: x86: Report KVM supported CET MSRs as to-be-saved Chao Gao
2025-09-09 9:39 ` [PATCH v14 09/22] KVM: VMX: Introduce CET VMCS fields and control bits Chao Gao
2025-09-09 9:39 ` [PATCH v14 10/22] KVM: x86: Enable guest SSP read/write interface with new uAPIs Chao Gao
2025-09-09 9:39 ` [PATCH v14 11/22] KVM: VMX: Emulate read and write to CET MSRs Chao Gao
2025-09-11 8:05 ` Xiaoyao Li
2025-09-11 9:02 ` Chao Gao
2025-09-11 20:24 ` Sean Christopherson
2025-09-09 9:39 ` [PATCH v14 12/22] KVM: x86: Save and reload SSP to/from SMRAM Chao Gao
2025-09-09 9:39 ` [PATCH v14 13/22] KVM: VMX: Set up interception for CET MSRs Chao Gao
2025-09-09 9:39 ` [PATCH v14 14/22] KVM: VMX: Set host constant supervisor states to VMCS fields Chao Gao
2025-09-12 22:04 ` Sean Christopherson
2025-09-09 9:39 ` [PATCH v14 15/22] KVM: x86: Don't emulate instructions guarded by CET Chao Gao
2025-09-11 9:18 ` Xiaoyao Li
2025-09-11 10:42 ` Chao Gao
2025-09-12 6:23 ` Xiaoyao Li
2025-09-12 14:37 ` Sean Christopherson
2025-09-12 15:11 ` Sean Christopherson
2025-09-16 14:42 ` Chao Gao
2025-09-12 14:42 ` Sean Christopherson
2025-09-09 9:39 ` [PATCH v14 16/22] KVM: x86: Enable CET virtualization for VMX and advertise to userspace Chao Gao
2025-09-09 9:39 ` [PATCH v14 17/22] KVM: nVMX: Virtualize NO_HW_ERROR_CODE_CC for L1 event injection to L2 Chao Gao
2025-09-09 9:39 ` [PATCH v14 18/22] KVM: nVMX: Prepare for enabling CET support for nested guest Chao Gao
2025-09-09 9:39 ` [PATCH v14 19/22] KVM: nVMX: Add consistency checks for CR0.WP and CR4.CET Chao Gao
2025-09-09 9:39 ` [PATCH v14 20/22] KVM: nVMX: Add consistency checks for CET states Chao Gao
2025-09-09 9:39 ` [PATCH v14 21/22] KVM: nVMX: Advertise new VM-Entry/Exit control bits for CET state Chao Gao
2025-09-09 9:39 ` [PATCH v14 22/22] KVM: selftest: Add tests for KVM_{GET,SET}_ONE_REG Chao Gao
2025-09-10 18:06 ` Sean Christopherson
2025-09-09 9:52 ` [PATCH v14 00/22] Enable CET Virtualization Chao Gao
2025-09-10 18:29 ` Sean Christopherson [this message]
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