[RFC PATCH v4 11/39] KVM: arm64: Allow userspace to lock and unlock memslots
Alexandru Elisei
alexandru.elisei at arm.com
Wed Aug 25 09:17:47 PDT 2021
The ioctls have been implemented, allow the userspace to lock and unlock
memslots.
Signed-off-by: Alexandru Elisei <alexandru.elisei at arm.com>
---
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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