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 X-Spam-Level: X-Spam-Status: No, score=-1.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5B313C43381 for ; Fri, 22 Feb 2019 21:02:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 32223207E0 for ; Fri, 22 Feb 2019 21:02:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726594AbfBVVC2 (ORCPT ); Fri, 22 Feb 2019 16:02:28 -0500 Received: from shards.monkeyblade.net ([23.128.96.9]:58120 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725832AbfBVVC2 (ORCPT ); Fri, 22 Feb 2019 16:02:28 -0500 Received: from localhost (unknown [IPv6:2601:601:9f80:35cd::bf5]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) (Authenticated sender: davem-davemloft) by shards.monkeyblade.net (Postfix) with ESMTPSA id 8BF7B1492E235; Fri, 22 Feb 2019 13:02:27 -0800 (PST) Date: Fri, 22 Feb 2019 13:02:26 -0800 (PST) Message-Id: <20190222.130226.1929287815577027852.davem@davemloft.net> To: andrew@lunn.ch Cc: linux@armlinux.org.uk, netdev@vger.kernel.org, vivien.didelot@gmail.com Subject: Re: [PATCH] net: dsa: mv88e6xxx: Add lockdep classes to fix false positive splat From: David Miller In-Reply-To: <20190222175916.GM5894@lunn.ch> References: <20190217195524.rhc4rsvzsalptyua@shell.armlinux.org.uk> <20190222174856.tmisqn7ih3ea3xvz@shell.armlinux.org.uk> <20190222175916.GM5894@lunn.ch> X-Mailer: Mew version 6.8 on Emacs 26.1 Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.5.12 (shards.monkeyblade.net [149.20.54.216]); Fri, 22 Feb 2019 13:02:27 -0800 (PST) Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Andrew Lunn Date: Fri, 22 Feb 2019 18:59:16 +0100 >> Hi Andrew, >> >> Do we have a way forward for this issue? > > Hi Russell > > Yes. I tested releasing the mutex around the request for the > interrupt. That works. So i will submit a patchset adding both the > lockdep class, and the unlock/lock pair. So I'll drop this patch from patchwork.