[PATCH] KVM: arm64: nested: Fix VA sign extension in VNCR/TLBI paths

[Gyujeong Jin]

From: gyutrange <wlsrbwjd643 at naver.com>

Signed-off-by: gyutrange <wlsrbwjd643 at naver.com>
---
 arch/arm64/kvm/nested.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm64/kvm/nested.c b/arch/arm64/kvm/nested.c
index 77db81bae86f..eaa6dd9da086 100644
--- a/arch/arm64/kvm/nested.c
+++ b/arch/arm64/kvm/nested.c
@@ -1169,7 +1169,7 @@ int kvm_vcpu_allocate_vncr_tlb(struct kvm_vcpu *vcpu)
 
 static u64 read_vncr_el2(struct kvm_vcpu *vcpu)
 {
-	return (u64)sign_extend64(__vcpu_sys_reg(vcpu, VNCR_EL2), 48);
+	return (u64)sign_extend64(__vcpu_sys_reg(vcpu, VNCR_EL2), 47);
 }
 
 static int kvm_translate_vncr(struct kvm_vcpu *vcpu)
-- 
2.43.0