From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753022Ab3KOVYz (ORCPT ); Fri, 15 Nov 2013 16:24:55 -0500 Received: from mail.linuxfoundation.org ([140.211.169.12]:36100 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751385Ab3KOVYt (ORCPT ); Fri, 15 Nov 2013 16:24:49 -0500 Date: Sat, 16 Nov 2013 06:24:55 +0900 From: Greg Kroah-Hartman To: Takashi Iwai 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 Message-ID: <20131115212455.GA14897@kroah.com> References: <1384257736-3647-1-git-send-email-tiwai@suse.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.22 (2013-10-16) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Nov 15, 2013 at 04:34:09PM +0100, Takashi Iwai wrote: > 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? I'm traveling at the moment, in Korea this week. I'll take a look at them after 3.13-rc1 is out, as I can't do anything with patches until then. Don't worry, they aren't lost. thanks, greg k-h