[RFC PATCH v4 11/39] KVM: arm64: Allow userspace to lock and unlock memslots
From: Alexandru Elisei <hidden>
Date: 2021-08-25 16:17:48
Also in:
kvmarm, lkml
Subsystem:
arm64 port (aarch64 architecture), kernel virtual machine for arm64 (kvm/arm64), the rest · Maintainers:
Catalin Marinas, Will Deacon, Marc Zyngier, Oliver Upton, Linus Torvalds
The ioctls have been implemented, allow the userspace to lock and unlock memslots. Signed-off-by: Alexandru Elisei <redacted> --- arch/arm64/kvm/arm.c | 9 +-------- 1 file changed, 1 insertion(+), 8 deletions(-)
diff --git a/arch/arm64/kvm/arm.c b/arch/arm64/kvm/arm.c
index c47e96ae4f7c..4bd4b8b082a4 100644
--- a/arch/arm64/kvm/arm.c
+++ b/arch/arm64/kvm/arm.c@@ -80,11 +80,6 @@ int kvm_arch_check_processor_compat(void *opaque) return 0; } -static int kvm_arm_lock_memslot_supported(void) -{ - return 0; -} - static int kvm_lock_user_memory_region_ioctl(struct kvm *kvm, struct kvm_enable_cap *cap) {
@@ -127,8 +122,6 @@ int kvm_vm_ioctl_enable_cap(struct kvm *kvm, kvm->arch.mte_enabled = true; break; case KVM_CAP_ARM_LOCK_USER_MEMORY_REGION: - if (!kvm_arm_lock_memslot_supported()) - return -EINVAL; r = kvm_lock_user_memory_region_ioctl(kvm, cap); break; default:
@@ -306,7 +299,7 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext) r = system_has_full_ptr_auth(); break; case KVM_CAP_ARM_LOCK_USER_MEMORY_REGION: - r = kvm_arm_lock_memslot_supported(); + r = 1; break; default: r = 0;
--
2.33.0
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