Received: by 2002:ad5:474a:0:0:0:0:0 with SMTP id i10csp1951635imu; Fri, 23 Nov 2018 02:35:43 -0800 (PST) X-Google-Smtp-Source: AFSGD/XW/VbuXFjZ4+wy8cNMmXbMZiLBQ/WMTI3ntmi3Q7s/tMkcekPzYwyrcTwytpdrei527RHE X-Received: by 2002:a17:902:981:: with SMTP id 1mr1468040pln.142.1542969343776; Fri, 23 Nov 2018 02:35:43 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1542969343; cv=none; d=google.com; s=arc-20160816; b=ktDY2MpUOFRWAYmaG5yN05AHEg8AURFBtJIRSGBHAHPlPDWWi8fniBbn5IVRUu02gI 3U84Tti09pHs0QsVeh+fgcwAmKiwHsNGNz+Jdb4CEjY+PY79l5Xfq6cG0vy875omVyG8 Tw5TAKgd28F5Gx++wAyjnYjMtl5qobYQ8eMsLJyjBu9oC3KYtoa7fp18VkpoScRnZpR3 ZIMhuxB1MffXjnv2zWGk4dU5zQg9QZNzqlKVdz1GncFkNqtV+cOiMN59gb1OUfKTyQse JRRsPCbMwp8etFROHlvgpTYf9UvYKSdO2/mFn/DLyj4ocO6RjFxWKALfAMtoPOrqbUow 9rQA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-transfer-encoding:content-disposition:mime-version :references:message-id:subject:cc:to:from:date; bh=DCrU6X2cO7vl5eUaEp5tXX151rq4chAUnCyPqp1VfE0=; b=iYJLjnC945tkFCvFXSQSKdyUkVFHdEUy4h4OgPYDy1wJfWq24RS+NyZRoGcySIbQFa EuSB8X20sfZDbjt68njyJ+4lWRSddPsR5fKI+qo9Il9qZ2wszRnb8Gd72Cx8N4OvKd1l NsCM92VZ9v7F1tS+ajzWm3V078qprLSQ1NeBDlL6lfwerCXCUn99YBWc9WQlLalr1F1x HvHWsU8mGhZcAPWREbr7Gj90J7C79UoORSNq+Lxxolz/X55wkcy9JQugTj5cc+jlcm7j +HAP+Xqni/OT5xiwNPLZcU9PquHFY3Xv4N5EwH08yr5aNQCKncm0oXDNL6BbiH986w8U As5w== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id w5si30113644pfl.279.2018.11.23.02.35.28; Fri, 23 Nov 2018 02:35:43 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2394106AbeKVUzI convert rfc822-to-8bit (ORCPT + 99 others); Thu, 22 Nov 2018 15:55:08 -0500 Received: from Galois.linutronix.de ([146.0.238.70]:47190 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2390727AbeKVUzH (ORCPT ); Thu, 22 Nov 2018 15:55:07 -0500 Received: from bigeasy by Galois.linutronix.de with local (Exim 4.80) (envelope-from ) id 1gPm1s-0002aZ-8K; Thu, 22 Nov 2018 11:16:12 +0100 Date: Thu, 22 Nov 2018 11:16:12 +0100 From: Sebastian Andrzej Siewior To: zhe.he@windriver.com Cc: catalin.marinas@arm.com, tglx@linutronix.de, rostedt@goodmis.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-rt-users@vger.kernel.org Subject: Re: [PATCH v2] kmemleak: Turn kmemleak_lock to raw spinlock on RT Message-ID: <20181122101611.tmbmylbshd4mrnxi@linutronix.de> References: <1542877459-144382-1-git-send-email-zhe.he@windriver.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8BIT In-Reply-To: <1542877459-144382-1-git-send-email-zhe.he@windriver.com> User-Agent: NeoMutt/20180716 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2018-11-22 17:04:19 [+0800], zhe.he@windriver.com wrote: > From: He Zhe > > kmemleak_lock, as a rwlock on RT, can possibly be held in atomic context and > causes the follow BUG. please use [PATCH RT … ] in future while posting for RT. And this was (and is) on my TODO list. Sebastian