From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751080AbcGNCPO (ORCPT ); Wed, 13 Jul 2016 22:15:14 -0400 Received: from mx2.suse.de ([195.135.220.15]:56218 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750950AbcGNCPH (ORCPT ); Wed, 13 Jul 2016 22:15:07 -0400 Date: Thu, 14 Jul 2016 04:15:01 +0200 From: "Luis R. Rodriguez" To: Fengguang Wu Cc: "Luis R. Rodriguez" , ming.lei@canonical.com, akpm@linux-foundation.org, mmarek@suse.com, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, markivx@codeaurora.org, stephen.boyd@linaro.org, zohar@linux.vnet.ibm.com, broonie@kernel.org, tiwai@suse.de, johannes@sipsolutions.net, chunkeey@googlemail.com, hauke@hauke-m.de, jwboyer@fedoraproject.org, dmitry.torokhov@gmail.com, dwmw2@infradead.org, jslaby@suse.com, torvalds@linux-foundation.org, luto@amacapital.net, rpurdie@rpsys.net, j.anaszewski@samsung.com, Abhay_Salunke@dell.com, Julia.Lawall@lip6.fr, Gilles.Muller@lip6.fr, nicolas.palix@imag.fr, teg@jklm.no, dhowells@redhat.com, martin.blumenstingl@googlemail.com, nbd@nbd.name, mark.rutland@arm.com, robh+dt@kernel.org, arend.vanspriel@broadcom.com, dev@kresin.me, kvalo@codeaurora.org Subject: Re: [PATCH v2 0/5] firmware: add SmPL grammar to avoid issues Message-ID: <20160714021501.GH6239@wotan.suse.de> References: <1466117661-22075-1-git-send-email-mcgrof@kernel.org> <20160707005644.GF31219@wotan.suse.de> <20160713235207.GA20304@wfg-t540p.sh.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160713235207.GA20304@wfg-t540p.sh.intel.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Jul 14, 2016 at 07:52:07AM +0800, Fengguang Wu wrote: > Hi Luis, > > On Thu, Jul 07, 2016 at 02:56:44AM +0200, Luis R. Rodriguez wrote: > >On Thu, Jun 16, 2016 at 03:54:16PM -0700, Luis R. Rodriguez wrote: > >>The firmware API has had some issues a while ago, some of this is > >>not well documented, and its still hard to grasp. This documents > >>some of these issues, adds SmPL grammar rules to enable us to hunt > >>for issues, and annotations to help us with our effort to finally > >>compartamentalize that pesky usermode helper. > >> > >>Previously this was just one patch, the grammar rule to help > >>find request firmware API users on init or probe, this series > >>extends that effort with usermode helper grammar rules, and some > >>annotations and documentation on the firmware_class driver to > >>avoid further issues. Documenting the usermode helper and making > >>it clear why we cannot remove it is important for analysis for > >>the next series which adds the new flexible sysdata firmware API. > >> > >>This series depends on the coccicheck series which enables > >>annotations on coccinelle patches to require a specific > >>version of coccinelle [0], as such coordination with Michal is > >>in order. > > > >Michal is out until July 11, and upon further thought such coordination > >is not need, the annotation is in place as comments and as such > >merging this now won't have any negative effects other than the version > >check. Also the patches in question for the coccicheck change are all > >acked now and I expect them to be merged anyway. > > > >Which tree should firmware changes go through ? > > >>This series is also further extended next with the new sydata > >>API, the full set of changes is available on my linux-next tree [1]. > >> > >>Perhaps now a good time to discuss -- if 0-day should enable the rule > >>scripts/coccinelle/api/request_firmware-usermode.cocci to be called on > >>every 0-day iteration, it runs rather fast and it should help police > >>against avoiding futher explicit users of the usermode helper. > > > >And if we are going to merge this anyone oppose enabling hunting > >for further explicit users of the usermode helper using grammar through > >0-day ? > > When *.cocci scripts lands upstream they'll be auto picked up by the > 0-day bot to guard new patches/commits. Great thanks! > Are there further steps 0-day should do for request_firmware-upstream.cocci? It just requires coccinelle >= 1.0.5. Luis