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[RFC,v1,25/26] KVM: arm64: Enable private memory support when pKVM is enabled

Message ID 20240222161047.402609-26-tabba@google.com (mailing list archive)
State New, archived
Headers show
Series KVM: Restricted mapping of guest_memfd at the host and pKVM/arm64 support | expand

Commit Message

Fuad Tabba Feb. 22, 2024, 4:10 p.m. UTC 
Mark the support for private memory in arm64 as being dependent
on pKVM for now.

Signed-off-by: Fuad Tabba <tabba@google.com>
---
 arch/arm64/include/asm/kvm_host.h | 6 ++++++
 1 file changed, 6 insertions(+)
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Patch

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__ */