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[35.185.214.157]) by smtp.gmail.com with ESMTPSA id x7sm13629119pfc.96.2021.07.13.10.54.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 13 Jul 2021 10:54:48 -0700 (PDT) Date: Tue, 13 Jul 2021 17:54:45 +0000 From: Sean Christopherson To: isaku.yamahata@intel.com Cc: Thomas Gleixner , Ingo Molnar , Borislav Petkov , "H . Peter Anvin" , Paolo Bonzini , Vitaly Kuznetsov , Wanpeng Li , Jim Mattson , Joerg Roedel , erdemaktas@google.com, Connor Kuehl , x86@kernel.org, linux-kernel@vger.kernel.org, kvm@vger.kernel.org, isaku.yamahata@gmail.com Subject: Re: [RFC PATCH v2 01/69] KVM: TDX: introduce config for KVM TDX support Message-ID: References: <2f265006e5cee03a5a48448c51c3632391e58ec7.1625186503.git.isaku.yamahata@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <2f265006e5cee03a5a48448c51c3632391e58ec7.1625186503.git.isaku.yamahata@intel.com> Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org On Fri, Jul 02, 2021, isaku.yamahata@intel.com wrote: > From: Isaku Yamahata > > Add new config KVM_INTEL_TDX for KVM TDX support. This patch introduce > a config only. Later patch will implement feature depends on it. > > Signed-off-by: Isaku Yamahata > --- > arch/x86/kvm/Kconfig | 11 +++++++++++ > 1 file changed, 11 insertions(+) > > diff --git a/arch/x86/kvm/Kconfig b/arch/x86/kvm/Kconfig > index f6b93a35ce14..66622901bf7d 100644 > --- a/arch/x86/kvm/Kconfig > +++ b/arch/x86/kvm/Kconfig > @@ -96,6 +96,17 @@ config X86_SGX_KVM > > If unsure, say N. > > +config KVM_INTEL_TDX > + bool "Trusted Domain eXtensions(TDX) Host support" > + depends on KVM_INTEL && X86_64 > + select FW_LOADER Similar to patch 2, it's impossible to review this as is since the FW_LOADER dependency is for the SEAMLDR side of things, which is not included in this series. > + > + help > + Extends KVM on Intel processors to support Trusted Domain Extensions. > + Intel Trust Domain eXtensions(TDX) is an architecture based on CPU > + instructions and TDX module to deploy hardware-isolated virtual > + machines(VMs) which is called Trust Domains(TDs). > + > config KVM_AMD > tristate "KVM for AMD processors support" > depends on KVM > -- > 2.25.1 >