Return-path: Received: from lxorguk.ukuu.org.uk ([81.2.110.251]:41512 "EHLO lxorguk.ukuu.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752650Ab2ACNge (ORCPT ); Tue, 3 Jan 2012 08:36:34 -0500 Date: Tue, 3 Jan 2012 13:36:56 +0000 From: Alan Cox To: Oliver Neukum Cc: Jack Stone , Matthew Garrett , Linus Torvalds , Alan Stern , Dave Jones , Linux Kernel , Larry Finger , Chaoming Li , "John W. Linville" , "Greg Kroah-Hartman" , USB list , Linux Wireless List Subject: Re: loading firmware while usermodehelper disabled. Message-ID: <20120103133656.56646781@pyramind.ukuu.org.uk> (sfid-20120103_143652_793830_79AFED4F) In-Reply-To: <201201031430.26064.oliver@neukum.org> References: <4F02F244.6040902@fastmail.fm> <20120103132053.44ade1e3@pyramind.ukuu.org.uk> <201201031430.26064.oliver@neukum.org> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Sender: linux-wireless-owner@vger.kernel.org List-ID: > How so? You still need to get the firmware to the device before > you unfreeze user space to get a benefit from this. Having it in > RAM is only half the deal. And this can be handled by the existing drivers happily as they do now rather than centralised in some kind of giant firmware turd that will be horrible to maintain. The driver visible differences will be - you can take a reference to a firmware to ensure it will be there at resume - an actual grab and use of that firmware during resume will not block Alan