From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id B116EC021AA for ; Tue, 18 Feb 2025 13:20:52 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1tkNVn-00079I-Dy; Tue, 18 Feb 2025 08:19:43 -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 1tkNVl-000791-Dr for qemu-devel@nongnu.org; Tue, 18 Feb 2025 08:19:41 -0500 Received: from mail-wm1-x335.google.com ([2a00:1450:4864:20::335]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1tkNVj-0005pI-AR for qemu-devel@nongnu.org; Tue, 18 Feb 2025 08:19:41 -0500 Received: by mail-wm1-x335.google.com with SMTP id 5b1f17b1804b1-4398c8c8b2cso17845605e9.2 for ; Tue, 18 Feb 2025 05:19:37 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1739884776; x=1740489576; darn=nongnu.org; h=content-transfer-encoding:in-reply-to:content-language:references :cc:to:from:subject:user-agent:mime-version:date:message-id:from:to :cc:subject:date:message-id:reply-to; bh=9jOWDgWdgm3WlBmHZkzJFmY7KFSm2K7SI7318/JBa0I=; b=cmQerR0F/sSgGfjz7hGooucPCuT7VBuj24QnBnidXhXWvK25NKifmS2DCHnqsastH+ j6B1qwXzQPeTl2mvdsARdH/6xXWrWxYs5GBVd1PrTTNeir8VwteoXK+T6U5P/p/24J5Z Rwxcw+/ZTvrt4omsH0aDqzikrtf08N4E/NqlaVoBRwKcl3CzSU/UEAsxALj0SND/7oYX 4Wp+a0hjfGQQxvENjSxFgYpUEiVI82zGwnNx/bkOzL5OAKDrdSx+DmZUdjzM6/YBCexe 77R865fiCBeOR0Vs/Ur2NY3+aT5NR0wEcVdMNyhsNk4mmfsYEwLAscpFvkP7//fNg6HR vDlw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1739884776; x=1740489576; h=content-transfer-encoding:in-reply-to:content-language:references :cc:to:from:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=9jOWDgWdgm3WlBmHZkzJFmY7KFSm2K7SI7318/JBa0I=; b=CPdY/5dN3fJifvRIzGUQHr6iVgpEGMYoYdgKxN3MXEccJCNpACEuMYMVTD0Q9BAfGZ v9su1ldW9jAH6l/giHKVTmeYXxJBz2P9SiAl8D1acvMU4PxtsMZDk+C8tDBwkblR7Gio 0aQB7fiFfqJMUUXs4kLZR2C3Ahl+HNf6zSHHR0ZJAWGV9kHH8N2f7g90SY4zoIT+KGn0 zxXeJZmfOORGtIpmBsT2/2x8RbsukGwpCevq1pJGcEp47/IDrRmNiCLozCc/3xnX9MTH DhYGPFJRWj9KbIybsLUGOUefnZZS7hMbf3Vk08XWlNMgJR68K7cPuqvtq+gcqXcp0D62 C8aQ== X-Gm-Message-State: AOJu0Yyx4Mzg5WTZoOav/SU6/2IgtmD6debs+xgaz2CUphjFNouw/3h2 Ur6EnPV9Y8WOMPSWtEzAePel8G3xKtnChyZGWx301UoeYm/KpsHWLrxZ7jYR7tBVI0K/NS6SxBr HTu4= X-Gm-Gg: ASbGnct8QzwzyesgSGa/eK5gWm08qoLP4Vj1371JtBfD9Gjt0t+zK6OIVODQFtc1FLg JFnCleYAHrtbYSMdMKXIs90xH1pjn0hkzXJAyPLwX1n2zjDX2A4rvtNlkV4ttFR1zaTKPI8jULb XUtzgUTceDm23ajo+Lin6idJyzYPBhdESe7+n+dLWdsCQ3++Ac+tgsxzKGRrFZRUCDzgHrxdane ksz7lXozAIMo6Yz3F5h5VnWAqXopme+KFGcMv5dbdMzSx0Ygda2GWTQw5bi40AABp/z+qfQcrCj k316/Pc328EGcQ7dbhszHrooKB0AeVLStmriGChN89fhTTLDu2AlUIepkBI= X-Google-Smtp-Source: AGHT+IFqA+wta4oXzvphBFhAl3JSyZyc9j8Lmp26VteGErYposT+mqTp+MOGtS8nT9S2EAYzkKJk9A== X-Received: by 2002:a05:600c:3b22:b0:439:8bc3:a6a3 with SMTP id 5b1f17b1804b1-4398bc3ad73mr64046275e9.3.1739884775677; Tue, 18 Feb 2025 05:19:35 -0800 (PST) Received: from [192.168.69.196] (88-187-86-199.subs.proxad.net. [88.187.86.199]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-4395a1aa7e8sm183896475e9.26.2025.02.18.05.19.34 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 18 Feb 2025 05:19:35 -0800 (PST) Message-ID: Date: Tue, 18 Feb 2025 14:19:33 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PULL 3/9] meson: Disallow 64-bit on 32-bit Xen emulation From: =?UTF-8?Q?Philippe_Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org, David Woodhouse , "open list:X86 Xen CPUs" , Paul Durrant , Stefano Stabellini , Anthony PERARD , "Edgar E. Iglesias" Cc: Thomas Huth , Richard Henderson , qemu-arm , =?UTF-8?Q?Alex_Benn=C3=A9e?= , =?UTF-8?Q?Daniel_P=2E_Berrang=C3=A9?= References: <20250208205725.568631-1-richard.henderson@linaro.org> <20250208205725.568631-4-richard.henderson@linaro.org> Content-Language: en-US In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2a00:1450:4864:20::335; envelope-from=philmd@linaro.org; helo=mail-wm1-x335.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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org On 18/2/25 12:20, Philippe Mathieu-Daudé wrote: > Hi, > > Adding Xen community. > > On 8/2/25 21:57, Richard Henderson wrote: >> Require a 64-bit host binary to spawn a 64-bit guest. >> >> Reviewed-by: Thomas Huth >> Reviewed-by: Philippe Mathieu-Daudé >> Signed-off-by: Richard Henderson >> --- >>   meson.build | 9 +++++++-- >>   1 file changed, 7 insertions(+), 2 deletions(-) >> >> diff --git a/meson.build b/meson.build >> index 1af8aeb194..911955cfa8 100644 >> --- a/meson.build >> +++ b/meson.build >> @@ -304,9 +304,14 @@ else >>   endif >>   accelerator_targets = { 'CONFIG_KVM': kvm_targets } >> -if cpu in ['x86', 'x86_64'] >> +if cpu == 'x86' >> +  xen_targets = ['i386-softmmu'] >> +elif cpu == 'x86_64' >>     xen_targets = ['i386-softmmu', 'x86_64-softmmu'] >> -elif cpu in ['arm', 'aarch64'] >> +elif cpu == 'arm' >> +  # i386 emulator provides xenpv machine type for multiple architectures >> +  xen_targets = ['i386-softmmu'] > > Is actually someone *testing* this config? I'm having hard time building > it, so am very suspicious about how it runs, and start to wonder if I'm > not just wasting my time (as could be our CI). This config is not tested and not functional. I'll post a patch removing it. > >> +elif cpu == 'aarch64' >>     # i386 emulator provides xenpv machine type for multiple >> architectures >>     xen_targets = ['i386-softmmu', 'x86_64-softmmu', 'aarch64-softmmu'] >>   else > > Regards, > > Phil. >