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[88.187.86.199]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-429952cb55asm18382097f8f.17.2025.10.27.23.19.02 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Mon, 27 Oct 2025 23:19:03 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1761632344; x=1762237144; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=9Kvjs75qZYXzJtgjOCgCUdq6Pu4BO5ORL4SkTS1d+ok=; b=Y4vJXHi3tmswAuf81Z8JcZprjwxGWAqZDGVf8TWpO9+OO6jlp1V56OEUzPakUpcFBi v2X8WckM5qGdua8jye8RbQ6rXIp7hO0Gw8Zo95H0rkU00jz6K577esOIzeQbYgcGiZrm tMhW7PjmQ31E+9WDvzWzrz29gQnEHOFVKMCWmHc/GFiZlxQ6HD6qfAoni5CqF9Glt3Yd kyE0mnMcvTFEF262pSwcrRs70QxB2vTUp5TueUaN61ZRwcLslB8tUVngO0JZOwIVCOmi aenPEHEwRz8MQt2TnZxh0ScI7i51VX9PFyx/TSjQOI1x8IOKweXWB/FWkc8rRtbkIIYH hOGA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1761632344; x=1762237144; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=9Kvjs75qZYXzJtgjOCgCUdq6Pu4BO5ORL4SkTS1d+ok=; b=Qw3jOzUKtQLhr0ZrQomFAVwzC0m0aLU9GSgb6ZUT/+pkrwSRadzDcU6je92sz6KcjB gBs93OCOGWDjtd2TXNutgS96MKES2h+6nrBG5moBTl+nm3jXOqs3eZPZu7u87fuQfs9y l6CPlJ3VRlPNWRCKQqq77r/mIqHAsz0yNwkJf1USbNMi5TOli8LGQ2W5blZfMyeuROjH lZcg4wUYHSW4qLN03/88DsSdgz489mLCCgGEy6upaCt44FD7oQD0wUorwVWXGWBA1vM3 j/WxFXmHMOPYgk3k9FW8PXyKXlHKVIG1FMmVqCt6i736sc3sl1bZTVe4977CRID46R9c +vXA== X-Gm-Message-State: AOJu0YzODOOvD7abc9EUCTpl/MNUhtJKCA4FzlyduR5x1VlzexUOkfBK WFAJqkA8DWlGAeS2dfX7ilRin0GaEG3NTbL0C7tSj/47GZMnM7Y39NSxAGsV/fG14vOHzWZxp/E j7BnK/zM= X-Gm-Gg: ASbGncsDvrsdTptbOkxWLjROQbM45SMYIZyKHA5pXbxoHbJ/dO9zvUIjtuVRZ22rBk/ s2YX0N2BGCH/yUhCbQdwHCRMzL93bGTDP8C7jAJ+St7NvMlGUQ/MUxl+NwhQVROqG9gY6JXRTDV a18VMXsMPG3QXFP8x5Gf6s78NtAkkEfgKzTcUKQvA4gw0FNmGbbeYifjQcjTqNwvDD+D5t42ZBJ OrvjnmSIhWeRriZQ6tlKzcQ1FotXa7rfhKl4wd+RMoj3RxxwFmHeGKosmq5LoET4vkUQKVRwGHk tP4BbXnITT1QGVsDkSddZ/8tb4e7AahGtjmhtbXZIfRaXEiEN3ZW5HF4P3blacjpxAr8oZIN/NP 1bneGhSwjjsJHcylPfi6PDAVDI5zzlbmaEXJ2XznoZ7YaaC6SBZh2qYrIN7dMG3wCe3CUhRViEy dYNxWQ5cBy2YcU9u/tosuCEnh2JSGeb5cX8FJ7HeNi8BAiaSslq+8XQcE= X-Google-Smtp-Source: AGHT+IGKhwHrlJVM5NYbrDV9LNRC/S/8U5kMwZwPMrjJPFbgVZ+Sf6yeev9hbQkIEnM+2p3z38L0Vw== X-Received: by 2002:a05:6000:611:b0:426:ff8f:a0a3 with SMTP id ffacd0b85a97d-429a7e7320dmr1478581f8f.34.1761632343758; Mon, 27 Oct 2025 23:19:03 -0700 (PDT) From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Cc: Mads Ynddal , Cameron Esfahani , qemu-arm@nongnu.org, Roman Bolshakov , Akihiko Odaki , Phil Dennis-Jordan , Mohamed Mediouni , Peter Collingbourne , Peter Maydell , Alexander Graf , Richard Henderson , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Subject: [PATCH v3 51/59] hw/arm/virt: Warn when HVF doesn't report IPA bit length Date: Tue, 28 Oct 2025 06:42:27 +0100 Message-ID: <20251028054238.14949-52-philmd@linaro.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20251028054238.14949-1-philmd@linaro.org> References: <20251028054238.14949-1-philmd@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::42b; envelope-from=philmd@linaro.org; helo=mail-wr1-x42b.google.com 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=unavailable 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: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1761632390637158500 Emit a warning when HVF doesn't return the IPA bit length and return -1 as "this accelerator is not usable", allowing QEMU to try with the next one (when using '-accel hvf:tcg'). Reported-by: Ivan Krasilnikov Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2981 Signed-off-by: Philippe Mathieu-Daud=C3=A9 --- hw/arm/virt.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/hw/arm/virt.c b/hw/arm/virt.c index 175023897a7..1d65fa471dc 100644 --- a/hw/arm/virt.c +++ b/hw/arm/virt.c @@ -3225,8 +3225,12 @@ static int virt_hvf_get_physical_address_range(Machi= neState *ms) { VirtMachineState *vms =3D VIRT_MACHINE(ms); =20 - int default_ipa_size =3D hvf_arm_get_default_ipa_bit_size(); - int max_ipa_size =3D hvf_arm_get_max_ipa_bit_size(); + uint32_t default_ipa_size =3D hvf_arm_get_default_ipa_bit_size(); + uint32_t max_ipa_size =3D hvf_arm_get_max_ipa_bit_size(); + if (!default_ipa_size || !max_ipa_size) { + warn_report("HVF didn't report IPA bit length"); + return -1; + } =20 /* We freeze the memory map to compute the highest gpa */ virt_set_memmap(vms, max_ipa_size); --=20 2.51.0