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AJvYcCWsEbG+dfpKOe1e73tQ/tOMGWKl8xITBOrqqtbyC6z8TMwapPoIb1ady/k1lb7b7j5JrkD0AI0=@lists.linux.dev X-Gm-Message-State: AOJu0YyPrRQEoF/zeKm0cCSbfTPQRLTA0MlSjH4eMLAjUEGeQyVIGSXL zmoJqnUJ1AAOaUWBfFtijHg3vO2QBXd4/wlEPIcp1qKFKe8ZNWFumtryBMSgSXq9TlgZlOkOBHh /nA== X-Google-Smtp-Source: AGHT+IFw9/gp4rUKGBmKsgikBacUJjpjGeakFJ8EOn8lPNZtvr6eyYajGoSHpKrwO0vxhCTQzHhdq7/1nA== X-Received: from wmbes10.prod.google.com ([2002:a05:600c:810a:b0:456:2903:c96e]) (user=tabba job=prod-delivery.src-stubby-dispatcher) by 2002:a05:600c:8717:b0:456:24aa:9586 with SMTP id 5b1f17b1804b1-45868d4efa6mr17457625e9.21.1753267638782; Wed, 23 Jul 2025 03:47:18 -0700 (PDT) Date: Wed, 23 Jul 2025 11:46:56 +0100 In-Reply-To: <20250723104714.1674617-1-tabba@google.com> Precedence: bulk X-Mailing-List: kvmarm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20250723104714.1674617-1-tabba@google.com> X-Mailer: git-send-email 2.50.1.470.g6ba607880d-goog Message-ID: <20250723104714.1674617-5-tabba@google.com> Subject: [PATCH v16 04/22] KVM: x86: Select TDX's KVM_GENERIC_xxx dependencies iff CONFIG_KVM_INTEL_TDX=y From: Fuad Tabba To: kvm@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-mm@kvack.org, kvmarm@lists.linux.dev Cc: pbonzini@redhat.com, chenhuacai@kernel.org, mpe@ellerman.id.au, anup@brainfault.org, paul.walmsley@sifive.com, palmer@dabbelt.com, aou@eecs.berkeley.edu, seanjc@google.com, viro@zeniv.linux.org.uk, brauner@kernel.org, willy@infradead.org, akpm@linux-foundation.org, xiaoyao.li@intel.com, yilun.xu@intel.com, chao.p.peng@linux.intel.com, jarkko@kernel.org, amoorthy@google.com, dmatlack@google.com, isaku.yamahata@intel.com, mic@digikod.net, vbabka@suse.cz, vannapurve@google.com, ackerleytng@google.com, mail@maciej.szmigiero.name, david@redhat.com, michael.roth@amd.com, wei.w.wang@intel.com, liam.merwick@oracle.com, isaku.yamahata@gmail.com, kirill.shutemov@linux.intel.com, suzuki.poulose@arm.com, steven.price@arm.com, quic_eberman@quicinc.com, quic_mnalajal@quicinc.com, quic_tsoni@quicinc.com, quic_svaddagi@quicinc.com, quic_cvanscha@quicinc.com, quic_pderrin@quicinc.com, quic_pheragu@quicinc.com, catalin.marinas@arm.com, james.morse@arm.com, yuzenghui@huawei.com, oliver.upton@linux.dev, maz@kernel.org, will@kernel.org, qperret@google.com, keirf@google.com, roypat@amazon.co.uk, shuah@kernel.org, hch@infradead.org, jgg@nvidia.com, rientjes@google.com, jhubbard@nvidia.com, fvdl@google.com, hughd@google.com, jthoughton@google.com, peterx@redhat.com, pankaj.gupta@amd.com, ira.weiny@intel.com, tabba@google.com Content-Type: text/plain; charset="UTF-8" From: Sean Christopherson Select KVM_GENERIC_PRIVATE_MEM and KVM_GENERIC_MEMORY_ATTRIBUTES directly from KVM_INTEL_TDX, i.e. if and only if TDX support is fully enabled in KVM. There is no need to enable KVM's private memory support just because the core kernel's INTEL_TDX_HOST is enabled. Signed-off-by: Sean Christopherson Signed-off-by: Fuad Tabba --- arch/x86/kvm/Kconfig | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/x86/kvm/Kconfig b/arch/x86/kvm/Kconfig index 402ba00fdf45..13ab7265b505 100644 --- a/arch/x86/kvm/Kconfig +++ b/arch/x86/kvm/Kconfig @@ -95,8 +95,6 @@ config KVM_SW_PROTECTED_VM config KVM_INTEL tristate "KVM for Intel (and compatible) processors support" depends on KVM && IA32_FEAT_CTL - select KVM_GENERIC_PRIVATE_MEM if INTEL_TDX_HOST - select KVM_GENERIC_MEMORY_ATTRIBUTES if INTEL_TDX_HOST help Provides support for KVM on processors equipped with Intel's VT extensions, a.k.a. Virtual Machine Extensions (VMX). @@ -135,6 +133,8 @@ config KVM_INTEL_TDX bool "Intel Trust Domain Extensions (TDX) support" default y depends on INTEL_TDX_HOST + select KVM_GENERIC_PRIVATE_MEM + select KVM_GENERIC_MEMORY_ATTRIBUTES help Provides support for launching Intel Trust Domain Extensions (TDX) confidential VMs on Intel processors. -- 2.50.1.470.g6ba607880d-goog