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=-3.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS autolearn=no 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 982DCC1975A for ; Wed, 25 Mar 2020 07:44:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 62A3720714 for ; Wed, 25 Mar 2020 07:44:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1585122274; bh=h00DKjvaMCi5zKyS+9zyKVJ8bQ5REmj0Cw5CADaalFM=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=l1S/KHmdd45QfHuZceYIONC4N3XRm9r2rjU2bb4ghe8kDwH/YPwY4fV6JpO5r/RZ5 JkZorBneZhkGXfTmQnbjZilnbf8l+YS28XR5WyRzdoMB4vbPMrkCZWqhx+ZvDkm8mP 8cCXdK/QmPXLBQoJIQBQxhVsDa08aPUwzEgGbFVk= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726700AbgCYHod (ORCPT ); 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