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[174.21.71.127]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-72f8a78e0f9sm7791026b3a.158.2025.01.27.16.42.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 27 Jan 2025 16:42:57 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1738024978; x=1738629778; 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=9K0gzoVmD8GMKzwq0FIbI66sQB1frBuqpa3K1kcWYM8=; b=z7NA+w4i23cgXgWSGUN2wqxk7iLNGhqxnp7S2ZXLiXPRg1/RwNN9HnVzloxYzKQpl1 L1rUtIhinUqPrUvP2YnUYKm3ZTNDR2Q8FzZHrsnR8DKr+Xr7bYS5NQwMZtXQQlnYjUnV O0itCgsdf8YWZo/A4yc95UA3J9osIO4vSXv/NEnSKK1QOpdqH/BR+Yanf/dwrU+DJui8 LtkO0t7ZGzhno8JU1apF4DjKOeaIQrMWA7eVr1wwKA/f98MfWfvqknI6cOPxPzaGdEkC ukwE5WWa+s7DJzx4M+kTotdAB8VYU0MIVDMTZpnZ0xr8trvm5RLcB4AJbGZ1P+hxJUxn QvoQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1738024978; x=1738629778; 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=9K0gzoVmD8GMKzwq0FIbI66sQB1frBuqpa3K1kcWYM8=; b=fViNqyjdfckdBf0u5hHt7ByGGbmmu73fd8xtda+MkUxZUHNJPB/u5J2/z2jtK6dZ55 JZF1k90a/m49A3fUU1bFNAmZfrWKK7HzA2AWHO9Okl3DfYl2sf7MTGGOs//pGlZou+Ng pUI8cVFMCAh2lM5DYquhvfM/eycsWPTJuETe6NB1GS3SajdTeSOTxy+TXI9iJmP1ex00 IHtTPhibB/a03YTScakon97zb1AjQ+YPgcDxm34+WolddBcSULeGWJ1JZRvgMgyU3o+Y 0VA9zVorHSmyD1Y1HlTW7EUOcKpLMh/J1x4+WZJuCtRlic3W7ZkNdyd0O3RCLN3fYD74 1DnQ== X-Gm-Message-State: AOJu0YyfnZbD+2bi3twWI1G8h9oOMlkr6zLbscrDojkydb9mgK+IoGnn Fvhg0qPHQzJQTmHZISk1bhBILNrkjRpRuAxwuPTcTLZE608BhNGuCCHqA1dVz4t8ENASu2E45JC 5 X-Gm-Gg: ASbGncu5yOAqRYffVZglEeJHl5IKx8fRK50bYdpx/3ibFqj+VbF9VYF4X8d2gacELU/ 1Wot4ESHsGyaJTnIams54eqLw8PuKQ/S0EU4dVyLbD5dGB29YQkFgv6nKOCGIIWT1hiuWvSVeu0 DhyHM7rpmSlUT/CpVRdZXYvuD8ZKOkATKrOzHMvhzailkETbmGpB9FFyYkfAs1qBZJWrXkgX563 MTATcKHB3VIKjVtdEHj3TCCiAKd987ESsEsNetegd7C2DLggi9uAlWMpLhY72E0yRCV6DJBEqBC 66aKjT5ecaKvMZuPu1PTdhytsGG2f2DkF+2lkRU= X-Google-Smtp-Source: AGHT+IGX66kXlWCLsXjLpckkOk7s9aDkHq4k02dGPzAcPDTdc7sUDg41jEfHU7c/mVp4w1mlmOrzfg== X-Received: by 2002:a05:6a00:2188:b0:728:f21b:ce4c with SMTP id d2e1a72fcca58-72fc08fa5c8mr2159107b3a.5.1738024978084; Mon, 27 Jan 2025 16:42:58 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Cc: thuth@redhat.com, peter.maydell@linaro.org, stefanha@redhat.com, pbonzini@redhat.com, berrange@redhat.com, philmd@linaro.org, mark.cave-ayland@ilande.co.uk, alex.bennee@linaro.org Subject: [PATCH 1/1] meson: Deprecate 32-bit host support Date: Mon, 27 Jan 2025 16:42:54 -0800 Message-ID: <20250128004254.33442-2-richard.henderson@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250128004254.33442-1-richard.henderson@linaro.org> References: <20250128004254.33442-1-richard.henderson@linaro.org> MIME-Version: 1.0 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=2607:f8b0:4864:20::102b; envelope-from=richard.henderson@linaro.org; helo=mail-pj1-x102b.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, T_SCC_BODY_TEXT_LINE=-0.01 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: 1738025043816019000 Content-Type: text/plain; charset="utf-8" We deprecated i686 system mode support for qemu 8.0. However, to make real cleanups to TCG we need to remove all 32-bit hosts. Signed-off-by: Richard Henderson Reviewed-by: Thomas Huth --- docs/about/deprecated.rst | 8 ++++++++ meson.build | 6 ++---- 2 files changed, 10 insertions(+), 4 deletions(-) diff --git a/docs/about/deprecated.rst b/docs/about/deprecated.rst index 4a3c302962..a200f4fd28 100644 --- a/docs/about/deprecated.rst +++ b/docs/about/deprecated.rst @@ -204,6 +204,14 @@ is going to be so much slower it wouldn't make sense f= or any serious instrumentation. Due to implementation differences there will also be anomalies in things like memory instrumentation. =20 +32-bit host operating systems (since 10.0) +'''''''''''''''''''''''''''''''''''''''''' + +Keeping the 32-bit support alive is a substantial burden for the QEMU +project. Thus QEMU will soon drop the support for 32-bit host systems. +Recent testing on 32-bit host OS has been inadequate at best, apparently +due to lack of interest and usage on such hosts. + System emulator CPUs -------------------- =20 diff --git a/meson.build b/meson.build index 15a066043b..0bf5c93777 100644 --- a/meson.build +++ b/meson.build @@ -4834,14 +4834,12 @@ if host_arch =3D=3D 'unknown' message('configure has succeeded and you can continue to build, but') message('QEMU will use a slow interpreter to emulate the target CPU.') endif -elif host_arch =3D=3D 'mips' +elif cc.sizeof('void *') < 8 message() warning('DEPRECATED HOST CPU') message() message('Support for CPU host architecture ' + cpu + ' is going to be') - message('dropped as soon as the QEMU project stops supporting Debian 12') - message('("Bookworm"). Going forward, the QEMU project will not guarante= e') - message('that QEMU will compile or work on this host CPU.') + message('dropped in a future QEMU release.') endif =20 if not supported_oses.contains(host_os) --=20 2.43.0