Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757700Ab0HQPZ2 (ORCPT ); Tue, 17 Aug 2010 11:25:28 -0400 Received: from THUNK.ORG ([69.25.196.29]:56432 "EHLO thunker.thunk.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757634Ab0HQPZV (ORCPT ); Tue, 17 Aug 2010 11:25:21 -0400 Date: Tue, 17 Aug 2010 11:25:01 -0400 From: "Ted Ts'o" To: Arjan van de Ven Cc: paulmck@linux.vnet.ibm.com, Pavel Machek , Alan Cox , Felipe Contreras , david@lang.hm, Brian Swetland , linux-pm@lists.linux-foundation.org, linux-kernel@vger.kernel.org, arve@android.com, mjg59@srcf.ucam.org, florian@mickler.org, rjw@sisk.pl, stern@rowland.harvard.edu, peterz@infradead.org, tglx@linutronix.de, menage@google.com, david-b@pacbell.net, James.Bottomley@suse.de, swmike@swm.pp.se, galibert@pobox.com, dipankar@in.ibm.com Subject: Re: Attempted summary of suspend-blockers LKML thread, take three Message-ID: <20100817152501.GH21182@thunk.org> Mail-Followup-To: Ted Ts'o , Arjan van de Ven , paulmck@linux.vnet.ibm.com, Pavel Machek , Alan Cox , Felipe Contreras , david@lang.hm, Brian Swetland , linux-pm@lists.linux-foundation.org, linux-kernel@vger.kernel.org, arve@android.com, mjg59@srcf.ucam.org, florian@mickler.org, rjw@sisk.pl, stern@rowland.harvard.edu, peterz@infradead.org, tglx@linutronix.de, menage@google.com, david-b@pacbell.net, James.Bottomley@suse.de, swmike@swm.pp.se, galibert@pobox.com, dipankar@in.ibm.com References: <20100811222854.GJ2516@linux.vnet.ibm.com> <20100812010612.GL2516@linux.vnet.ibm.com> <20100812034435.GA7403@linux.vnet.ibm.com> <20100813115751.3bbbafbd@lxorguk.ukuu.org.uk> <20100813152912.GE2511@linux.vnet.ibm.com> <20100814073843.GA27430@elf.ucw.cz> <20100814151048.GA2461@linux.vnet.ibm.com> <20100814095351.6a996187@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20100814095351.6a996187@infradead.org> User-Agent: Mutt/1.5.20 (2009-06-14) X-SA-Exim-Connect-IP: X-SA-Exim-Mail-From: tytso@thunk.org X-SA-Exim-Scanned: No (on thunker.thunk.org); SAEximRunCond expanded to false Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 755 Lines: 19 On Sat, Aug 14, 2010 at 09:53:51AM -0700, Arjan van de Ven wrote: > however I think you're making an assumption that there is a > real difference between a deep idle state and "off".... > > For modern x86 hardware, that assumption isn't really valid. > (other than a very very small sram that stores register content in the > idle case) This is more of CPU statement than a chipset or laptop/device-wide statement, correct? If "hardware" applies to the entire laptop, how "modern" is "modern"? - Ted -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/