From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933897AbZHEA3K (ORCPT ); Tue, 4 Aug 2009 20:29:10 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S933882AbZHEA26 (ORCPT ); Tue, 4 Aug 2009 20:28:58 -0400 Received: from n14.bullet.mail.mud.yahoo.com ([68.142.206.41]:37297 "HELO n14.bullet.mail.mud.yahoo.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S932759AbZHEA23 (ORCPT ); Tue, 4 Aug 2009 20:28:29 -0400 X-Yahoo-Newman-Id: 221967.62741.bm@omp418.mail.mud.yahoo.com DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=pacbell.net; h=Received:X-YMail-OSG:X-Yahoo-Newman-Property:From:To:Subject:Date:User-Agent:Cc:References:In-Reply-To:MIME-Version:Content-Type:Content-Transfer-Encoding:Content-Disposition:Message-Id; b=nlGcLDpy1UiuHf88/GsxWJVsMIDygVxGEmVtq7E9rOpQhR5u2vvodvehSv7J2vW16qGnwctTJS4ZE4/dczWF0ORm559W5yFqsVaTAPVq1T0eM82l+RurnzlYcEutncGIRUo2pptWy7wbuqLJpuj/tEw07Er5qlT6CJTVFYe1x/4= ; X-YMail-OSG: 6NFbw7wVM1lz4W0zUDtIKdjAwko2flnowB4JtS6v27y6yYPOi__F0_yIFdSXrh8ZSK4F4nYlKmyHVMAknRYm_3Hj8d_PXA0XDuI2FbzsTPKr_Lv0zQVzvMLw2cji6RXrLC0H4fUrgIiVyJHixyp4vGTKh22X1_6AjuKH4ZjKJXb4a6yHcH8QS6TOzt4bMnqmii.e8OjSN64.rUuerogwI3L1dlWPb5dMqz2GJEFtYaydEA5xymY7azu5Dbft6jgd62ofEkzH_W6KRJapTcazKl.9AsSq4EkMaQCZrlDPImybbByD X-Yahoo-Newman-Property: ymail-3 From: David Brownell To: Pierre Ossman Subject: Re: New MMC maintainer needed Date: Mon, 3 Aug 2009 18:51:23 -0700 User-Agent: KMail/1.9.10 Cc: Andrew Morton , linux-kernel@vger.kernel.org, linux-embedded@vger.kernel.org, nico@cam.org, nicolas.ferre@rfo.atmel.com, hskinnemoen@atmel.com, tony@atomide.com, manuel.lauss@gmail.com, mirq-linux@rere.qmqm.pl, ppisa@pikron.com, jarkko.lavinen@nokia.com, ben@fluff.org, saschasommer@freenet.de, avorontsov@ru.mvista.com, oakad@yahoo.com, ian@mnementh.co.uk, HaraldWelte@viatech.com, JosephChan@via.com.tw, adrian.hunter@nokia.com References: <20090714153601.6dfe70ff@mjolnir.ossman.eu> <20090728222334.0c543c47@mjolnir.ossman.eu> <20090731122623.254fd0f1@mjolnir.ossman.eu> In-Reply-To: <20090731122623.254fd0f1@mjolnir.ossman.eu> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200908031851.24375.david-b@pacbell.net> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Friday 31 July 2009, Pierre Ossman wrote: > Restoring back the system state from MMC after a successful hibernation > http://marc.info/?t=124818534700003&r=1&w=2 > > I don't agree with this approach. The point of the workqueue is so that > the kernel can do things in parallel, so this patch is a step back. The > problem is really with how the kernel doesn't properly cope with > asynchronous disk scanning during bootup. The root_delay parameter was > added for this for the "normal" case, but it seems more work is needed. Doesn't handing of resumes needs more attention overall? Example, root on eMMC (e.g. a 32-MByte non-removable chip) wouldn't resume at all well the last time I checked ... mounted file systems (not just root) made trouble. Hardware that reliably reports card insert/remove was rude in the same ways. - Dave