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Wed, 10 Sep 2025 11:29:46 -0700 (PDT) Date: Wed, 10 Sep 2025 11:29:44 -0700 In-Reply-To: Precedence: bulk X-Mailing-List: kvm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20250909093953.202028-1-chao.gao@intel.com> Message-ID: Subject: Re: [PATCH v14 00/22] Enable CET Virtualization From: Sean Christopherson To: Chao Gao 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 Content-Type: text/plain; charset="us-ascii" 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.