Received: by 2002:a25:6193:0:0:0:0:0 with SMTP id v141csp354100ybb; Wed, 25 Mar 2020 00:45:28 -0700 (PDT) X-Google-Smtp-Source: ADFU+vs4AApxYkFVL6O47d6qU0ZSCOdunlZBWgl/Qw2Edr82dOxb4jhhZKgq8T3uIjHvbim+4cj8 X-Received: by 2002:a9d:6310:: with SMTP id q16mr1394140otk.147.1585122328845; Wed, 25 Mar 2020 00:45:28 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1585122328; cv=none; d=google.com; s=arc-20160816; b=IS7UoNRQDZprAoW/mFeTgGi7tZByWKKF+/wcf9W5qj1FvvYZYwFySoPM6NLG1MFkIi Gj5RDAASHbvDopwV5JEpf9NMIGdtslNfqgQ9OCuf31aPed8EoeF3j2QcMsobqW2Frxzr 3cj0AOYQio7lVl8taDzDZnKp2npS4/yollAFzdfBldsrttRsPL8vqCTZLlRqNpafkA3s hQxE4RUry3m3/jP7K0q4UdjXFXW3Zoq5WrdrKSOZJBaiP8CTwvjHpJBvL8+YqAKFRZ93 YkyuOvMaZqYGCc9+i8ljM6ratxEsaGO6TrpH1R2/dvHHkb0dAgY6NcXigSWGDnMbhJfB 5qgQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:in-reply-to:content-disposition :mime-version:references:message-id:subject:cc:to:from:date :dkim-signature; bh=csZFitoNtEkQE7hlGPn8bsLznjSkwDaPB5mBbZSBdvw=; b=p8YEvm+7R4c7McTSf0jAy9LB1Zj8pRrZ57xOB8ZVniCZUHXNWJaCRuJCR3dVvB4z4Q iRF1dmKeYiUO5W4WaKSPqfOYlaQws0x3zbDagqcjqyVY/WY3Y7wggraAB2rN2Xzstu1D UyIayMJMmvNI49LX20dZhnayqf/2+JhVvP9vmZIrFmRhlgQYgFUfCxu60W3kZX/jIw9e KWK340p43qTyOAE19d0mKxgS8dJ9tgxioGv28c83KDqRWwyA1R4MD+1+a8eJhZYOXdVK wzrTVj4kVWHXD9O8i9DM4xSE8h/I7tTioDuBbJOqJFiJdcVqDWnuII7yMacNe/vy6SRy UtGQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b=Rwsu0Ojg; 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 m20si11493287otk.238.2020.03.25.00.45.16; Wed, 25 Mar 2020 00:45:28 -0700 (PDT) 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; dkim=pass header.i=@kernel.org header.s=default header.b=Rwsu0Ojg; 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 S1726264AbgCYHod (ORCPT + 99 others); Wed, 25 Mar 2020 03:44:33 -0400 Received: from mail.kernel.org ([198.145.29.99]:43258 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725832AbgCYHod (ORCPT ); Wed, 25 Mar 2020 03:44:33 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 1B77F20409; Wed, 25 Mar 2020 07:44:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1585122272; bh=h00DKjvaMCi5zKyS+9zyKVJ8bQ5REmj0Cw5CADaalFM=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=Rwsu0OjgZqJYC/SvFbOZS1Gjfx0P5PZ6QI8fS0u+ewiUDSTWReFy5l/bbPXBcX/1t 3HUa+Tt+K/HiAUWzzTGYmtzyPMFlvWhNN1bVluqbQiVtPfhczOwU8rQ8GCznInt/ra 9VwqkiGdU25MJ2fwgvjnJsBT+58pAf+G1BHr71/k= Date: Wed, 25 Mar 2020 08:44:28 +0100 From: Greg Kroah-Hartman To: Davide Caratti Cc: Saravana Kannan , "Rafael J. Wysocki" , Vladimir Benes , kernel-team@android.com, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2 3/3] driver core: Skip unnecessary work when device doesn't have sync_state() Message-ID: <20200325074428.GA3014101@kroah.com> References: <20200221080510.197337-1-saravanak@google.com> <20200221080510.197337-4-saravanak@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Mar 24, 2020 at 09:03:28PM +0100, Davide Caratti wrote: > On Fri, 2020-02-21 at 00:05 -0800, Saravana Kannan wrote: > > A bunch of busy work is done for devices that don't have sync_state() > > support. Stop doing the busy work. > > > > Signed-off-by: Saravana Kannan > > --- > > drivers/base/core.c | 4 +++- > > 1 file changed, 3 insertions(+), 1 deletion(-) > > > > hello Greg, > > this patch and patch 2/3 of the same series proved to fix systematic > crashes (NULL pointer dereference in device_links_flush_sync_list() while > loading mac80211_hwsim.ko, see [1]) on Fedora 31, that are triggered by > NetworkManager-ci [2]. May I ask to queue these two patches for the next > 5.5 stable? What are the git commit ids of these patches in Linus's tree that you want backported? thanks, greg k-h