Received: by 2002:a05:6a10:5bc5:0:0:0:0 with SMTP id os5csp2039934pxb; Sun, 17 Oct 2021 04:24:52 -0700 (PDT) X-Google-Smtp-Source: ABdhPJwqAIP3uVyDAJsOgmAquX8onupRI6TwCgyJ7t4eS17vjztvHPkWEfbJ1W+VnERv3a4VvbNP X-Received: by 2002:a62:8ccf:0:b0:44c:7db2:344e with SMTP id m198-20020a628ccf000000b0044c7db2344emr22393094pfd.66.1634469892037; Sun, 17 Oct 2021 04:24:52 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1634469892; cv=none; d=google.com; s=arc-20160816; b=NYJXK+00+/yNTRD+uUxh1RvPSUVGSb4TuVCaVGiS0e0KrG5axrXIOhQz4WsDb8hdNZ 62xlCBnOWgQDG28R67mLEV68WFu/56lzVQbPmHxcHZevl+brja1FsTPD3VwUH2C5NLdS XoZD8UJsz6VTEsd8R8ydtcaJ6nAKDmAzCQQMNHVaGfbAu8yFpAVFgguPtqh/iimY053X /EJvmdZLf66q1haabOz+wBf/N9yW0Xly0HRNiwdmZ0LNKGyS5wzRDkYpEVpobaGOff9s 48fNu1Dh+ZVXtXU9tteDed37ycYil3VkXbeH6ezhVZoLcldCJ0rd2xqdeBxxFLgtsW8S txpA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:in-reply-to:content-disposition:mime-version :references:message-id:subject:cc:to:from:dkim-signature :dkim-signature:date; bh=KOyUI0ODUwcB/DpCaZncwjS5P6oVgAM8u+fmdmPd+Fk=; b=ssZ/0Ci/bXuie6KrtGPKLtICaZEXrTEQGboYehFluoco5pZRnuze+T8Mxvre0eHQV6 IjvP1jDw6k9A9E5fO+0quhatuFfp+PgiKZZh1fhhZ40LBuM/Y8kPE7I7RfeAfWm1QYpq XZ2zF0AqOZrdHmbc3c7L3u3LAnF5E2wi56gi0/MYGl2snHKFwkSaNWsv2+1Gw+Du7+oi kEcr5HgmGpVqnofqYPAG63mgav4BzgQn6Kua1Ju27fo9gQZnswZGN8uTpEHilO/saQb0 lKw4KM+H7rQo3soUELaH8j2GXSoq8BqbJZmlDpTQ+bCsSkCBcALB8mVLslhGTBr7gjuS b/YA== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linutronix.de header.s=2020 header.b=wjNvJJ3h; dkim=neutral (no key) header.i=@linutronix.de header.s=2020e; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=linutronix.de Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id e17si14928710pgk.193.2021.10.17.04.24.39; Sun, 17 Oct 2021 04:24:52 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@linutronix.de header.s=2020 header.b=wjNvJJ3h; dkim=neutral (no key) header.i=@linutronix.de header.s=2020e; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=linutronix.de Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241931AbhJORFg (ORCPT + 99 others); Fri, 15 Oct 2021 13:05:36 -0400 Received: from Galois.linutronix.de ([193.142.43.55]:51446 "EHLO galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237591AbhJORFe (ORCPT ); Fri, 15 Oct 2021 13:05:34 -0400 Date: Fri, 15 Oct 2021 19:03:25 +0200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1634317407; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=KOyUI0ODUwcB/DpCaZncwjS5P6oVgAM8u+fmdmPd+Fk=; b=wjNvJJ3hyPp12T0AiywUMmJPt0ILxqPF0IB35M24zW3pATFmuSLNc/r27dkBM4b2JMUKYs U3xl+seWFBD24uBKDU8vCYSp39IKJ3PR1F+QTKp5GGj0lf+C2auGePXccyBpcIn5jRZqXT 07DSWAzKYO9Ik+bUmhXadWkjseVsByha7xSYRHLllk2Pc/zqXW9eQ0onEiaxmtb0FwvwKC c/2Y2PpHmG8zaBZmLkAJPeMz5WKHIWUDWVzApsbINeqUW4vlnYltsvvRN7718uXMXFNjQm kcofalzMHppaZhyLUUCRrNAJ+aimERXtuYlvrLEzMmyoc2YcXUV6jFZ9uOA0dw== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1634317407; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=KOyUI0ODUwcB/DpCaZncwjS5P6oVgAM8u+fmdmPd+Fk=; b=K+GqVMI9fY1fegKjJGNJpmfBezDn7/SJk5Nf6AtxFwuFU2XwugmgUJBU105w5xlL7xcgjP TnvFhzxQPAztFvAQ== From: Sebastian Andrzej Siewior To: He Zhe Cc: catalin.marinas@arm.com, will@kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, tglx@linutronix.de, rostedt@goodmis.org, linux-rt-users@vger.kernel.org Subject: Re: [PATCH] arm64: signal: Delay calling signals in atomic Message-ID: <20211015170325.li5rugf6u4rghkrd@linutronix.de> References: <20211012084421.35136-1-zhe.he@windriver.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20211012084421.35136-1-zhe.he@windriver.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2021-10-12 16:44:21 [+0800], He Zhe wrote: > Debugging with breakpoints on arm64 and RT would trigger the following > call trace. When CONFIG_PREEMPT_RT is enabled, spin_locks become mutexes, > and one of these is the spin lock used in signal handling. Applied. Sebastian