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[88.187.86.199]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-475c4281314sm95056335e9.4.2025.10.23.05.32.20 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Thu, 23 Oct 2025 05:32:21 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1761222742; x=1761827542; 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=cZS76eJoTIiiJJNW8TTQmvmI+z9czLAYye6vBDkx4XRAHFOOlGatyZQ9DUNR98KUiY fHE4swXS64Mz2DXvpRyKIhA3LwHtI+7MoRl7sIw49/saWBZ1gYHz7atxWWgGZpLtV37a ts8aN0GXocIokV8PhnRKfX3a10//NA8fQkiR2Qcfen2xH3fvg4zihd+mImHzl5FUIgDO AdrAfnN13VjmZSTG7+SpAo96VOvE5FMrPBDu3WXZWJnjDzibi4WWOhOrOtwt8bVaFK21 ntd1VdC8um0bcfr6yZ0qURgCGJUpGHUMo2SRE3ZvSnDZHMPIYbRdel3hKuNjNLBgHek6 hKZA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1761222742; x=1761827542; 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=QEfgr3YJUlTSElFgZLJ462EhV5BT23DFp7z9qn0buBCpAUPfMSAie3rnyJ5sZCwF4d G5INURnIKaVN2Y6ikoTVLwBzSMsSGlqgzMf7NH2HCNFoVaZSOeRq4TEvCgT0QcGAEsUv 4ypvOuyfHlLZ0SsFPvic3TqoLwMypN2kUzm9Unj3qN7QQuNJIYjMfo0297CBrw2VY98l dqbGK3A5lW0KV3MBRCtgQZ2dQh50inZd40nvZq5Ypkl3FoNJYM6KIg1d2PqIJkCLOT4d VnA39G/BOW4cuwwifBY2MbNUqM+JfdwCOOs+ZDW/2gGQ5b2QrFDfwCOs/GZjA3avnj0J luuQ== X-Gm-Message-State: AOJu0Yzc9Eg6242wWdYOo18XxG5Ji7yq4LfFjKdsm3H08WLJr9DluM0/ J3B1itWj270aYtO9X7GwYEhqPVLCCmTMUjUdM7KYX1xDKaTtLBuf0Wvm908bnViGChl5uhuFL8b OINr882E= X-Gm-Gg: ASbGncsf/JmbDE9Zl0RvFEClBQfw2yrMw9jTj/urEv7HlDvXXdY8N5cRyiiMlrJed2Q IzqrTNhmlZ/PJmkXROBHiACAtpDDa0cRf4r1G5E8T3KVlPD2eEtxCMsfYCzbGmQkPl+LinTE+vi 017ZjQX1dejY9/Wu1TnCXxgqkjU4oY0yZs9rssp45sp/rZVmp0BvsATkYA8yS8jvmfsEfjfirlq UOAULkw0Hk0Z0tb/V7i4hsxeposqJEUi3lEHj9wWBDGGGJm5rtZeo+yaQp6pxhjsZPP5BnZjy41 WpwSM44phO1rH1yGv9nxIVG2YFGSqVOHwhGCfxN2yFzRgQlV4oW9RJfSCHz1PMrEZtj6bY/Q0YL CTHZhD9P1oiMKSnZtgYXAYPnLuWXLEHhwnYEUL+RS+FbM3cikJeB+jlvAG0qLmAdQJjLNDXvaRS JgnTxoWykTyFprvNFj2vehkZ3hllHrMw1njJR72Gfo/eS2KieIzPw12AApIxWK X-Google-Smtp-Source: AGHT+IEx8BFpjNXhusxQrpqpHoXCU7z+MXPRfMepaQ3/Co4IjjhB0iiMYA7kTEFc7OtLYixtJcW5wQ== X-Received: by 2002:a05:600c:8714:b0:471:b5d:2db9 with SMTP id 5b1f17b1804b1-475cb03016cmr15327865e9.21.1761222742547; Thu, 23 Oct 2025 05:32:22 -0700 (PDT) From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Cc: Peter Maydell , Mohamed Mediouni , Peter Collingbourne , Alexander Graf , Paolo Bonzini , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , qemu-arm@nongnu.org, Stefan Hajnoczi , Mads Ynddal , Phil Dennis-Jordan , Richard Henderson , Roman Bolshakov , Cameron Esfahani Subject: [PATCH v2 57/58] hw/arm/virt: Warn when HVF doesn't report IPA bit length Date: Thu, 23 Oct 2025 14:31:41 +0200 Message-ID: <20251023123142.8062-8-philmd@linaro.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20251023114638.5667-1-philmd@linaro.org> References: <20251023114638.5667-1-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::32d; envelope-from=philmd@linaro.org; helo=mail-wm1-x32d.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=ham 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: 1761223385357158500 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