From patchwork Tue Feb 4 21:53:58 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Richard Henderson X-Patchwork-Id: 861851 Delivered-To: patch@linaro.org Received: by 2002:a05:6000:11cb:b0:385:e875:8a9e with SMTP id i11csp525575wrx; Tue, 4 Feb 2025 13:55:03 -0800 (PST) X-Forwarded-Encrypted: i=2; AJvYcCXcBOK9Y3a+Ah7vPzYoUjFBdx46KTRddlyg2ZS96d7MSKnBmLVl6CVc/FmiV/DV5/whibzQHA==@linaro.org X-Google-Smtp-Source: AGHT+IEjw2npfV6ZAhQaRSDL2QCqzCWtnqRM0+iK0y1uC9WmmzFAW+WvMYQOGt4qU0qxpxVQ4aID X-Received: by 2002:a05:622a:2:b0:467:6b96:dc5a with SMTP id d75a77b69052e-47028301d3dmr4800431cf.47.1738706103099; Tue, 04 Feb 2025 13:55:03 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1738706103; cv=none; d=google.com; s=arc-20240605; b=AbOoooIii/8SOkjTt/5+J/5n+gTuKL/ng9E8QxF2CcPdPCAe0jr1nFwA+V2cCHnLsu AQNy2LFICy/stNtVxfiuy2nbThDDIlael2k3d4GnvmvBdhndg8mmWyAz+ST9A164rrrq AwtOasEmEXX4se83gMeaMLtSwUwUuFZbU4wqwPf2b8l46dTlBeb1w+cm2JHIM7umOwlL bjAMu+R30BjTHcYD9v91nUziSOArmHEglGc9WNr7TN5ycIB++Nl6FgiLCMIc05Fy3mAW Ms29lKWy0min3WvjoaBMUGZn7W07YdwHgfiHbsiwKftMSVSxCXmtmMgFkfVqCKu5MCGt N5zg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20240605; h=sender:errors-to:list-subscribe:list-help:list-post:list-archive :list-unsubscribe:list-id:precedence:content-transfer-encoding :mime-version:references:in-reply-to:message-id:date:subject:cc:to :from:dkim-signature; bh=POW93gVR6h/M8xFYSXewi98308xEJBX+M2a2KNFKUmQ=; fh=WBfWBA4xhLBT7XcACU9php1VkQFXD3CDPq61lYOQNqc=; b=OcgPRCFsV1OHTx8bkg26k6Sr/98oALm0NoiELNEOmuy5fmPsEH1xhX5nnrOhHLZr4r NHsZ6LZ5vA6KVsgICbVsjC+mF+1hBfxQDnv7raNg48HSHd1RgdMPIRnjRQ06h/rLWAd3 VmLdkNrmiRw4FdZaaVl/GKG6JUs4zB3xPnXe8mHwRRCL/HmF5xbWl1L69an5SS7vBkCR hrOEMvQimIuiwVa6TrT4EcDiv/ZZItF6x9vfG3whuO9ePRP5fuxu3NSvYkmKFuMsPwe1 lu8cvAbwaLgQ2gkCPWPoQv6TeBLDoms7DzKjYBdSi0isrtxkP5w6HUKE1zxF/732YSqn F8Eg==; dara=google.com ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b="JNsg/Ypf"; spf=pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom="qemu-devel-bounces+patch=linaro.org@nongnu.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org; dara=neutral header.i=@linaro.org Return-Path: Received: from lists.gnu.org (lists.gnu.org. [209.51.188.17]) by mx.google.com with ESMTPS id d75a77b69052e-47016b7e621si34758971cf.296.2025.02.04.13.55.02 for (version=TLS1_2 cipher=ECDHE-ECDSA-CHACHA20-POLY1305 bits=256/256); Tue, 04 Feb 2025 13:55:03 -0800 (PST) Received-SPF: pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; Authentication-Results: mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b="JNsg/Ypf"; spf=pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom="qemu-devel-bounces+patch=linaro.org@nongnu.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org; dara=neutral header.i=@linaro.org Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1tfQsB-0001cl-Qg; Tue, 04 Feb 2025 16:54:23 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1tfQs0-0001Zs-TE for qemu-devel@nongnu.org; Tue, 04 Feb 2025 16:54:15 -0500 Received: from mail-pj1-x1033.google.com ([2607:f8b0:4864:20::1033]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1tfQry-0008VD-SN for qemu-devel@nongnu.org; Tue, 04 Feb 2025 16:54:12 -0500 Received: by mail-pj1-x1033.google.com with SMTP id 98e67ed59e1d1-2f4448bf96fso7906912a91.0 for ; Tue, 04 Feb 2025 13:54:10 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1738706049; x=1739310849; 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=POW93gVR6h/M8xFYSXewi98308xEJBX+M2a2KNFKUmQ=; b=JNsg/YpfvPWDyr0b9jvRhhzqzaWsYuvk7pYz5wtAXoA0vcalwSv7XHXhA2Lp0AfQUz EAQ3NuEPqnwdmnzLIQtaba8bp3Bc0peF1ffRB9vpDHarvNPk+EMaPF/1zaV67wRy/GgT EtBd7MUTlZFY2KzRfMdm3zQ6tXaYwWBBRe201l4+oyeVXQIHuC6pJDkUZelrgoEaQyE5 9vC++D5mGJKxDzruQ/WFH/b08vrSMNPH0lKZOsHpzJjfimtl7yIfBxbTZAdr+pifrEN7 klrwqDd3MYpvYHYK+trrSU78DBYnLBFiRdjHjNmjR39obUq+3uYxUgJDEutErVVR+HKo VM4g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1738706049; x=1739310849; 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=POW93gVR6h/M8xFYSXewi98308xEJBX+M2a2KNFKUmQ=; b=ZcVhQxguu4NHLpUVMkLC9llLMUtJzSN3Ad1BaGW8HKTyKTm8G3tm2QktCpOTfrjEKv EfigKWInju/bXBOmF60UMTDb3QNT1x1hyCjZJIj3YhmPQdVRp6dOArQ2lVxzO8OA17Kr n7Z9KI6KCp7CP5Cs3y+4qylEmWnQmSJzZFmHbhLgPzMq0HA+5JZeqkZrY4o2Zgv6NSjl O8/7i1W8MiTfM3ylaQXizOGuNpG/ifngNE1Bj5esNcFFRj4Nbx0Rk8WaKLgfkGH+DG7i +otan8uVBcGps2migPk3JWkUJymDEBcRAWBM0gaDMToiKVrbdoulKk/dvaCSv3G0v30M cObg== X-Gm-Message-State: AOJu0YzRUGQGF0tf0eJ4ChF39ky8NCf+d8mvxwan7Gpt6yt6JBLw6VeU G+jHNaY35RLe4HXnw6WG1cdbQzuLLWS6Qh2x9E+KKSRUb6uGLEBsEJGKCLXC90yKgrdwiw3S6aU 0 X-Gm-Gg: ASbGnct/D+N8RJjZceG4TUjskTiw47b2z5HESlGCxUEm4Ee6wycW7grnga/S9CAQ//G rr06MaHZeNqmYwosMuZ2TjAzmbQFvucWUDpYvIWN1BTFXMCcHTZlwUybD0gC6hYCHLNyWiMKIHP cZ+qIHutu8IwGXZCvSndO5mtPM2rWkQYp4rgQQh5BMbeZN6lxlkSX+yHfihHPCEoU5nrjQHx6VU 7uENFfc79Z7bNwPGxtICm+AKw7G+asq51XPRp3Fm7Xov/gPk7wea/bn6sqc7etNdeNVVsc03zLZ DfhC2OlCDeIIdX0DF18jh5rPNZPfosYf6fu9rFjNtcWTO+4= X-Received: by 2002:a17:90b:1e43:b0:2ee:acb4:fecd with SMTP id 98e67ed59e1d1-2f9e075c58amr632118a91.9.1738706049554; Tue, 04 Feb 2025 13:54:09 -0800 (PST) Received: from stoup.. (71-212-39-66.tukw.qwest.net. [71.212.39.66]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-2f9e1d60b57sm33888a91.9.2025.02.04.13.54.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 04 Feb 2025 13:54:09 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Cc: pbonzini@redhat.com, mark.cave-ayland@ilande.co.uk, berrange@redhat.com, philmd@linaro.org, thuth@redhat.com, =?utf-8?q?Alex_Benn=C3=A9e?= Subject: [PATCH v3 11/12] meson: Deprecate 32-bit host support Date: Tue, 4 Feb 2025 13:53:58 -0800 Message-ID: <20250204215359.1238808-12-richard.henderson@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250204215359.1238808-1-richard.henderson@linaro.org> References: <20250204215359.1238808-1-richard.henderson@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::1033; envelope-from=richard.henderson@linaro.org; helo=mail-pj1-x1033.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+patch=linaro.org@nongnu.org Sender: qemu-devel-bounces+patch=linaro.org@nongnu.org We deprecated i686 system mode support for qemu 8.0. However, to make real cleanups to TCG we need to deprecate all 32-bit hosts. Reviewed-by: Thomas Huth Reviewed-by: Alex Bennée Signed-off-by: Richard Henderson --- docs/about/deprecated.rst | 7 +++++++ meson.build | 8 +++----- 2 files changed, 10 insertions(+), 5 deletions(-) diff --git a/docs/about/deprecated.rst b/docs/about/deprecated.rst index 4a3c302962..7c61d0ba16 100644 --- a/docs/about/deprecated.rst +++ b/docs/about/deprecated.rst @@ -204,6 +204,13 @@ is going to be so much slower it wouldn't make sense for any serious instrumentation. Due to implementation differences there will also be anomalies in things like memory instrumentation. +32-bit host operating systems (since 10.0) +'''''''''''''''''''''''''''''''''''''''''' + +Keeping 32-bit host support alive is a substantial burden for the +QEMU project. Thus QEMU will in future drop the support for all +32-bit host systems. + System emulator CPUs -------------------- diff --git a/meson.build b/meson.build index aa1ca8355d..3347b0a553 100644 --- a/meson.build +++ b/meson.build @@ -4843,14 +4843,12 @@ if host_arch == '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 == 'mips' +elif host_long_bits < 64 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 guarantee') - message('that QEMU will compile or work on this host CPU.') + message('Support for 32-bit CPU host architecture ' + cpu + ' is going') + message('to be dropped in a future QEMU release.') endif if not supported_oses.contains(host_os)