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AJvYcCWog4SLwTilRIyckd9aYT2VcCg28YuygG/8fUqRK+b7+V+aQ0KTvqXyFpm7smBnqlTGzGD192c6DMpl6ELMZ8me9mVlIZko X-Gm-Message-State: AOJu0Yw65UUZSiklteHzxlRAYRcn9ZNM/so1AQ3jipzk7OzUpXLUiCZ1 k5gHHoKWD/GaCP2EFJBt7wmeRwQMnPLYsdLs/YNYnvDTExxGGoNYsFuO76EqbXJIROY5mCo9VA= = X-Google-Smtp-Source: AGHT+IH2AJdryfzgBjtwoYEiaqYJq05TPCfxK/pLtpWJryi75TzpSiXs2AMbdpb+STC1Oqvl/vDFO15AKg== X-Received: from fuad.c.googlers.com ([fda3:e722:ac3:cc00:28:9cb1:c0a8:1613]) (user=tabba job=sendgmr) by 2002:a05:600c:a399:b0:412:7677:3e4f with SMTP id hn25-20020a05600ca39900b0041276773e4fmr136786wmb.4.1708618310147; Thu, 22 Feb 2024 08:11:50 -0800 (PST) Date: Thu, 22 Feb 2024 16:10:46 +0000 In-Reply-To: <20240222161047.402609-1-tabba@google.com> Precedence: bulk X-Mailing-List: kvmarm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20240222161047.402609-1-tabba@google.com> X-Mailer: git-send-email 2.44.0.rc1.240.g4c46232300-goog Message-ID: <20240222161047.402609-26-tabba@google.com> Subject: [RFC PATCH v1 25/26] KVM: arm64: Enable private memory support when pKVM is enabled From: Fuad Tabba To: kvm@vger.kernel.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, yu.c.zhang@linux.intel.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, tabba@google.com Content-Type: text/plain; charset="UTF-8" Mark the support for private memory in arm64 as being dependent on pKVM for now. Signed-off-by: Fuad Tabba --- arch/arm64/include/asm/kvm_host.h | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/arch/arm64/include/asm/kvm_host.h b/arch/arm64/include/asm/kvm_host.h index ab61c3ecba0c..437509b5d881 100644 --- a/arch/arm64/include/asm/kvm_host.h +++ b/arch/arm64/include/asm/kvm_host.h @@ -1263,4 +1263,10 @@ static inline void kvm_hyp_reserve(void) { } void kvm_arm_vcpu_power_off(struct kvm_vcpu *vcpu); bool kvm_arm_vcpu_stopped(struct kvm_vcpu *vcpu); +#ifdef CONFIG_KVM_PRIVATE_MEM +#define kvm_arch_has_private_mem(kvm) is_protected_kvm_enabled() +#else +#define kvm_arch_has_private_mem(kvm) false +#endif + #endif /* __ARM64_KVM_HOST_H__ */ -- 2.44.0.rc1.240.g4c46232300-goog