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Mon, 01 Sep 2025 05:45:52 -0700 (PDT) Received: from localhost ([114.70.121.22]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-7723d79fcfesm7553805b3a.16.2025.09.01.05.45.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 01 Sep 2025 05:45:51 -0700 (PDT) From: Gyujeong Jin To: maz@kernel.org, oliver.upton@linux.dev Cc: joey.gouly@arm.com, suzuki.poulose@arm.com, yuzenghui@huawei.com, catalin.marinas@arm.com, will@kernel.org, kvmarm@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, wlsrbwjd7232@gmail.com, gyutrange Subject: [PATCH] KVM: arm64: nested: Fix VA sign extension in VNCR/TLBI paths Date: Mon, 1 Sep 2025 21:45:20 +0900 Message-ID: <20250901124520.54259-1-wlsrbwjd7232@gmail.com> X-Mailer: git-send-email 2.43.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250901_054553_325910_566E4897 X-CRM114-Status: GOOD ( 11.21 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: gyutrange Signed-off-by: gyutrange --- 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