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[2603:800c:1201:c600:f24b:57b2:da7c:e304]) by smtp.gmail.com with ESMTPSA id hk2-20020a17090b224200b001bf0a7d9da3sm5716744pjb.9.2022.03.04.12.03.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 04 Mar 2022 12:03:06 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v5 2/2] hw/core: Disable LPA2 for -machine virt-6.2 Date: Fri, 4 Mar 2022 10:03:01 -1000 Message-Id: <20220304200301.524525-3-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220304200301.524525-1-richard.henderson@linaro.org> References: <20220304200301.524525-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Host-Lookup-Failed: Reverse DNS lookup failed for 2607:f8b0:4864:20::633 (failed) Received-SPF: pass client-ip=2607:f8b0:4864:20::633; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x633.google.com X-Spam_score_int: -6 X-Spam_score: -0.7 X-Spam_bar: / X-Spam_report: (-0.7 / 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, PDS_HP_HELO_NORDNS=0.659, RCVD_IN_DNSWL_NONE=-0.0001, RDNS_NONE=0.793, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: peter.maydell@linaro.org, qemu-arm@nongnu.org Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" There is a Linux kernel bug present until v5.12 that prevents booting with FEAT_LPA2 enabled. As a workaround for TCG, disable this feature for machine versions prior to 7.0. Signed-off-by: Richard Henderson --- hw/core/machine.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/hw/core/machine.c b/hw/core/machine.c index d856485cb4..f3c410fe58 100644 --- a/hw/core/machine.c +++ b/hw/core/machine.c @@ -37,7 +37,9 @@ #include "hw/virtio/virtio.h" #include "hw/virtio/virtio-pci.h" -GlobalProperty hw_compat_6_2[] = {}; +GlobalProperty hw_compat_6_2[] = { + { "max-arm-cpu", "lpa2", "off" }, +}; const size_t hw_compat_6_2_len = G_N_ELEMENTS(hw_compat_6_2); GlobalProperty hw_compat_6_1[] = { -- 2.25.1