From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752523Ab3KOPeV (ORCPT ); Fri, 15 Nov 2013 10:34:21 -0500 Received: from cantor2.suse.de ([195.135.220.15]:47480 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751190Ab3KOPeN (ORCPT ); Fri, 15 Nov 2013 10:34:13 -0500 Date: Fri, 15 Nov 2013 16:34:09 +0100 Message-ID: From: Takashi Iwai To: Greg Kroah-Hartman Cc: Prarit Bhargava , Ming Lei , Borislav Petkov , x86@kernel.org, amd64-microcode@amd64.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v3 0/4] Add request_firmware_direct() for microcode loader In-Reply-To: <1384257736-3647-1-git-send-email-tiwai@suse.de> References: <1384257736-3647-1-git-send-email-tiwai@suse.de> User-Agent: Wanderlust/2.15.9 (Almost Unreal) SEMI/1.14.6 (Maruoka) FLIM/1.14.9 (=?UTF-8?B?R29qxY0=?=) APEL/10.8 Emacs/24.3 (x86_64-suse-linux-gnu) MULE/6.0 (HANACHIRUSATO) MIME-Version: 1.0 (generated by SEMI 1.14.6 - "Maruoka") Content-Type: text/plain; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org At Tue, 12 Nov 2013 13:02:12 +0100, Takashi Iwai wrote: > > Hi, > > this is a revised patch series to introduce request_firmware_direct() > helper for avoiding the lengthy udev issue on microcode loader. > The original problem was stated in Prarit's post: > https://lkml.org/lkml/2013/10/28/221 > > In short, microcode loader probes non-existing firmware files (which > are cases with every new chip), and each probe takes 60 seconds, > resulting in too long time until completed. > > This solution is simply avoiding the udev fallback in > request_firmware() explicitly for drivers like microcode. > > Of course, this doesn't mean to throw away further optimizations like > Prarit's patch. It can be implemented in parallel with this. > > > [PATCH v3 1/4] firmware: Introduce request_firmware_direct() > [PATCH v3 2/4] microcode: Use request_firmware_direct() > [PATCH v3 3/4] firmware: Use bit flags instead of boolean combos > [PATCH v3 4/4] firmware: Suppress fallback warnings when CONFIG_FW_LOADER_USER_HELPER=n > > v1->v2: Rebased on linux-next, add a fix for a bogus warning message > v2->v3: Convert to bit flags, fix warning message differently > > > Greg, could you take these patches through your driver tree, as > most of fixes are about the firmware loader itself. Greg, any chance to take a look at these patches? thanks, Takashi