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 40E47C4167B for ; Mon, 30 Oct 2023 20:27:14 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qxYqi-0003Zy-HL; Mon, 30 Oct 2023 16:27:00 -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 1qxYqe-0003Yq-MG for qemu-devel@nongnu.org; Mon, 30 Oct 2023 16:26:56 -0400 Received: from mail-lj1-x22a.google.com ([2a00:1450:4864:20::22a]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1qxYqc-0005YN-TL for qemu-devel@nongnu.org; Mon, 30 Oct 2023 16:26:56 -0400 Received: by mail-lj1-x22a.google.com with SMTP id 38308e7fff4ca-2c54c8934abso69400331fa.0 for ; Mon, 30 Oct 2023 13:26:54 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1698697613; x=1699302413; darn=nongnu.org; h=content-transfer-encoding:mime-version:message-id:date:user-agent :in-reply-to:subject:cc:to:from:from:to:cc:subject:date:message-id :reply-to; bh=iaZp7y8XPyeIgvY/5BKyCg0ftQbeQm6BmnM+msZVIqI=; b=hb70MThobHzl1r9gqkB79rFkZVJ5TUF7ngpFgNkRbe3oz5+QP1uN2ch8NH74bq4bKZ iZENfH06SHpFYjwC3IH50Og+kCrIo6rnsHL7Qn+LZpy/osiUj75ZoeURj5D/OyLtNIhF q+omzSnwdwdQT/aFngCyv4C2mKNs7Y/eO/nXE3P/H5O9xbDTJpU94ZU3mk2CpsLdbFwz 9gAtDzDLeztwQbsqkaD+D6u9DirYT5gHBr2QUQ45LZZN3cAqvStxuqsufeq7cGxfN8Bf 7//Fz4Ie+KDlM4cYDpuRJ3GJjURi9mvly/3QlDUJxUDFntmTKTQCGJbauyZpwS9G/rKz iRBQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1698697613; x=1699302413; h=content-transfer-encoding:mime-version:message-id:date:user-agent :in-reply-to:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=iaZp7y8XPyeIgvY/5BKyCg0ftQbeQm6BmnM+msZVIqI=; b=sC3f1ia5RLY9mG8mB9ddJ7FGb/08z+t4Yo9RLakMA21rBjYA6KnIAw7QAfVbUy6hV8 ocNAwvk9QzygkRpRwFHr4nAOkYfTHC5vojtV3KCcdiKjBzkV7sXmEfOraklEiVX/VmNy u9wwFcB202FdvagSZ61YaXx/c1d2zpmeyDa9nvspP4FPnk+Pbl3oe5lCkAaUQ+qCfa1F 7QBPWI34f1a2l27pNFlgKUJjoqQV+zynN1433doKESF6JN+Y793OCSAcrOuigjiZVuo7 xD/sInC0yUjoRe/B5ekgwKo6lcWEiRc358/82I3M/zsKXwOlHyter5TXweAiRhvh99Cl b4qQ== X-Gm-Message-State: AOJu0Yzc8gPBEn8+ReAyK56jXAIhGwRdEBSy36h+qltmdr73I2MA2mpr pXUZsUh4E33iC+PGdil0DvnUGl7BR0xBF0ecYhk= X-Google-Smtp-Source: AGHT+IHgZ+CCsjSj6OxCvTqe3QO4kysbdonK3g3vLEApu0lCNqX5yBRcoLFTPSbI92r/i7yp09yxsQ== X-Received: by 2002:a2e:a48c:0:b0:2bf:fa62:5d0e with SMTP id h12-20020a2ea48c000000b002bffa625d0emr7396623lji.2.1698697612888; Mon, 30 Oct 2023 13:26:52 -0700 (PDT) Received: from draig.lan ([85.9.250.243]) by smtp.gmail.com with ESMTPSA id fc19-20020a05600c525300b00405442edc69sm193058wmb.14.2023.10.30.13.26.52 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 30 Oct 2023 13:26:52 -0700 (PDT) Received: from draig (localhost [IPv6:::1]) by draig.lan (Postfix) with ESMTP id 2124B656E5; Mon, 30 Oct 2023 20:26:52 +0000 (GMT) From: =?utf-8?Q?Alex_Benn=C3=A9e?= To: Richard Henderson Cc: qemu-devel@nongnu.org, christophe.lyon@linaro.org, laurent@vivier.eu Subject: Re: [PATCH] linux-user: Fix guest signal remapping after adjusting SIGABRT In-Reply-To: <20231027221150.19807-1-richard.henderson@linaro.org> (Richard Henderson's message of "Fri, 27 Oct 2023 15:11:50 -0700") User-Agent: mu4e 1.11.23; emacs 29.1 Date: Mon, 30 Oct 2023 20:26:52 +0000 Message-ID: <875y2nvotv.fsf@draig.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::22a; envelope-from=alex.bennee@linaro.org; helo=mail-lj1-x22a.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: > The arithmetic within the loop was not adjusted properly after SIGRTMIN > was stolen for the guest SIGABRT. The effect was that the guest libc > could not send itself __SIGRTMIN to wake sleeping threads. > > Fixes: 38ee0a7dfb4b ("linux-user: Remap guest SIGABRT") > Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1967 > Signed-off-by: Richard Henderson Reviewed-by: Alex Benn=C3=A9e --=20 Alex Benn=C3=A9e Virtualisation Tech Lead @ Linaro