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Mon, 03 Jun 2019 21:43:46 -0700 (PDT) From: Viresh Kumar To: Dave Martin , Marc Zyngier , James Morse , Julien Thierry , Suzuki K Pouloze , Catalin Marinas , Will Deacon Subject: [PATCH] KVM: arm64: Drop 'const' from argument of vq_present() Date: Tue, 4 Jun 2019 10:13:19 +0530 Message-Id: <699121e5c938c6f4b7b14a7e2648fa15af590a4a.1559623368.git.viresh.kumar@linaro.org> X-Mailer: git-send-email 2.21.0.rc0.269.g1a574e7a288b MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190603_214348_999861_C6AAE7FD X-CRM114-Status: GOOD ( 11.39 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Viresh Kumar , kvmarm@lists.cs.columbia.edu, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org We currently get following compilation warning: arch/arm64/kvm/guest.c: In function 'set_sve_vls': arch/arm64/kvm/guest.c:262:18: warning: passing argument 1 of 'vq_present' from incompatible pointer type arch/arm64/kvm/guest.c:212:13: note: expected 'const u64 (* const)[8]' but argument is of type 'u64 (*)[8]' The argument can't be const, as it is copied at runtime using copy_from_user(). Drop const from the prototype of vq_present(). Fixes: 9033bba4b535 ("KVM: arm64/sve: Add pseudo-register for the guest's vector lengths") Signed-off-by: Viresh Kumar --- arch/arm64/kvm/guest.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/kvm/guest.c b/arch/arm64/kvm/guest.c index 3ae2f82fca46..78f5a4f45e0a 100644 --- a/arch/arm64/kvm/guest.c +++ b/arch/arm64/kvm/guest.c @@ -209,7 +209,7 @@ static int set_core_reg(struct kvm_vcpu *vcpu, const struct kvm_one_reg *reg) #define vq_mask(vq) ((u64)1 << ((vq) - SVE_VQ_MIN) % 64) static bool vq_present( - const u64 (*const vqs)[KVM_ARM64_SVE_VLS_WORDS], + u64 (*const vqs)[KVM_ARM64_SVE_VLS_WORDS], unsigned int vq) { return (*vqs)[vq_word(vq)] & vq_mask(vq); -- 2.21.0.rc0.269.g1a574e7a288b _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel