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[174.21.143.238]) by smtp.gmail.com with ESMTPSA id l207sm3591565pfd.79.2020.07.13.14.33.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 13 Jul 2020 14:33:46 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH 2/3] hw/arm/virt: Error for MTE enabled with KVM Date: Mon, 13 Jul 2020 14:33:40 -0700 Message-Id: <20200713213341.590275-3-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200713213341.590275-1-richard.henderson@linaro.org> References: <20200713213341.590275-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2607:f8b0:4864:20::644; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x644.google.com X-detected-operating-system: by eggs.gnu.org: No matching host in p0f cache. That's all we know. X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: peter.maydell@linaro.org Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" While we expect KVM to support MTE at some future point, it certainly won't be ready in time for qemu 5.1. Signed-off-by: Richard Henderson --- hw/arm/virt.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/hw/arm/virt.c b/hw/arm/virt.c index 5866c4ce20..a7f3d442db 100644 --- a/hw/arm/virt.c +++ b/hw/arm/virt.c @@ -1773,6 +1773,12 @@ static void machvirt_init(MachineState *machine) exit(1); } + if (vms->mte && kvm_enabled()) { + error_report("mach-virt: KVM does not support providing " + "MTE to the guest CPU"); + exit(1); + } + create_fdt(vms); possible_cpus = mc->possible_cpu_arch_ids(machine); -- 2.25.1