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 A98EFC6FD1D for ; Mon, 27 Mar 2023 19:43:33 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pgsk2-0006YS-6d; Mon, 27 Mar 2023 15:42:54 -0400 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 1pgsk0-0006YF-76 for qemu-devel@nongnu.org; Mon, 27 Mar 2023 15:42:52 -0400 Received: from mail-wr1-x42b.google.com ([2a00:1450:4864:20::42b]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1pgsjx-0006pu-Tn for qemu-devel@nongnu.org; Mon, 27 Mar 2023 15:42:51 -0400 Received: by mail-wr1-x42b.google.com with SMTP id r29so9918835wra.13 for ; Mon, 27 Mar 2023 12:42:49 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1679946168; h=content-transfer-encoding:mime-version:message-id:in-reply-to:date :subject:cc:to:from:user-agent:references:from:to:cc:subject:date :message-id:reply-to; bh=SsJrw1Ev8+Z+e7IfxGBZJXD4HdcHz0bC1RQZrHTmpRs=; b=y7g4Bw4/IJqvLa1oqmz4xKEEw9PE1Il/F4ZjyPBgycu0FqFF3raRmaSTOXq1//bdGy 56KONGW9BBT2oE0725dyRKotLN2pi+xEqgdnoayicySW9vBJk/RBXg9t2dYrXLcAqxWR 7PbLVbgrZPE32dwgL/DXyQEIeivgliUxJO8hF/B6+X6h+oGV1NPtSsdXNTvrfg0u1bA6 c7kqDoDoXEK9YOAdBYakdVA6VJLOOCmXVUuo9Ad96IEe6ttS/BYy8BYZhV49dvCYSQro XDy3eTajNcRBo9UKtwDMuKIIm5P4OO2bm/iJoobtyFtraYi1dDNj7gwyeg4Zdzenlsos 1hsA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1679946168; h=content-transfer-encoding:mime-version:message-id:in-reply-to:date :subject:cc:to:from:user-agent:references:x-gm-message-state:from:to :cc:subject:date:message-id:reply-to; bh=SsJrw1Ev8+Z+e7IfxGBZJXD4HdcHz0bC1RQZrHTmpRs=; b=S0H6wSCx5evpfqkE23DV7yM31fZXsLDmOV2yrZhTSJjvW98mhMm6Oxvf+O8sWgJTzh MiS0BY6o8rDZ2ay/o6fKb9sokkeLq5un6b6nv6klETLLfyqdu+Vz2quQP+Bkso7AHoAF t+EldjRPscGk9sTXnPbwkuT9vpR8f89AT4t+RGBfw3u6XDO5/URHYJ9xl7UksnhFEq/S tzAaSjcQW9VB/zMGE2Ea8VZYLhXTe2j8TEx5OQXLnFK4O4jR36uY/vClHmFjb+u1KDQC f9yp4Tb0FWi0pdM9KrM/ru93TR1VTJzJIq97V0RBb7SR+lJmPnDPtARoYz7Uz90ZZxlv angg== X-Gm-Message-State: AAQBX9eTW5iBEMs96l3hp4cmpziiaHe9Qqv4Hd8SBFwPuLcXXjbBWJnE aPS1CWN20DUARzas2RDvqp43Mg== X-Google-Smtp-Source: AKy350aT4MViDsJcAIKqoSotsbmBw8ubdYlsnw35p09MMKqrNgEeiLF5CwWmT7T19tTbnjq5oXb6lg== X-Received: by 2002:adf:f947:0:b0:2db:9c64:f759 with SMTP id q7-20020adff947000000b002db9c64f759mr12340363wrr.1.1679946167973; Mon, 27 Mar 2023 12:42:47 -0700 (PDT) Received: from zen.linaroharston ([85.9.250.243]) by smtp.gmail.com with ESMTPSA id e13-20020a5d4e8d000000b002ceacff44c7sm25901247wru.83.2023.03.27.12.42.47 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 27 Mar 2023 12:42:47 -0700 (PDT) Received: from zen (localhost [127.0.0.1]) by zen.linaroharston (Postfix) with ESMTP id 47F081FFB7; Mon, 27 Mar 2023 20:42:47 +0100 (BST) References: <20230322150744.175010-1-richard.henderson@linaro.org> <20230322150744.175010-12-richard.henderson@linaro.org> <87zg7ysi4y.fsf@linaro.org> User-agent: mu4e 1.10.0; emacs 29.0.60 From: Alex =?utf-8?Q?Benn=C3=A9e?= To: Richard Henderson Cc: cota@braap.org, peter.maydell@linaro.org, qemu-devel@nongnu.org Subject: Re: [PATCH for-8.0 11/11] linux-user/arm: Take more care allocating commpage Date: Mon, 27 Mar 2023 20:42:26 +0100 In-reply-to: Message-ID: <87ilemrnew.fsf@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Received-SPF: pass client-ip=2a00:1450:4864:20::42b; envelope-from=alex.bennee@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=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 Richard Henderson writes: > On 3/27/23 01:38, Alex Benn=C3=A9e wrote: >> Richard Henderson writes: >>=20 >>> User setting of -R reserved_va can lead to an assertion >>> failure in page_set_flags. Sanity check the value of >>> reserved_va and print an error message instead. Do not >>> allocate a commpage at all for m-profile cpus. >> I see this: >> TEST convd on i386 >> qemu-i386: Unable to reserve 0x100000000 bytes of virtual address space >> at 0x8000 (File exists) for use as guest address space (check your >> virtual memory ulimit setting, min_mmap_addr or reserve less using -R >> option) >> on the ubuntu aarch64 static build: >> https://gitlab.com/stsquad/qemu/-/jobs/4003523064 > > Odd. Works on aarch64.ci.qemu.org outside of the gitlab environment. 15:50:17 [alex@aarch64:~/l/q/b/ci.all.linux.static] review/tcg-queue-for-8.= 0=E2=86=931|=E2=80=A6 + head config.log # QEMU configure log Mon 27 Mar 10:20:07 UTC 2023 # Configured with: '../../configure' '--enable-debug' '--static' '--disable= -system' '--disable-pie' '--gdb=3D' '--skip-meson' > > > r~ --=20 Alex Benn=C3=A9e Virtualisation Tech Lead @ Linaro