diff mbox series

[RFC,v5,12/38] KVM: arm64: Allow userspace to lock and unlock memslots

Message ID 20211117153842.302159-13-alexandru.elisei@arm.com (mailing list archive)
State New, archived
Headers show
Series KVM: arm64: Add Statistical Profiling Extension (SPE) support | expand

Commit Message

Alexandru Elisei Nov. 17, 2021, 3:38 p.m. UTC 
The ioctls have been implemented, allow the userspace to lock and unlock
memslots.

Signed-off-by: Alexandru Elisei <alexandru.elisei@arm.com>
---
 arch/arm64/kvm/arm.c | 9 +--------
 1 file changed, 1 insertion(+), 8 deletions(-)
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Patch

diff --git a/arch/arm64/kvm/arm.c b/arch/arm64/kvm/arm.c
index 13f3af1f2e78..27e86e480355 100644
--- a/arch/arm64/kvm/arm.c
+++ b/arch/arm64/kvm/arm.c
@@ -78,11 +78,6 @@  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)
 {
@@ -129,8 +124,6 @@  int kvm_vm_ioctl_enable_cap(struct kvm *kvm,
 		mutex_unlock(&kvm->lock);
 		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:
@@ -308,7 +301,7 @@  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;