From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Ted Ts'o" Subject: Re: Attempted summary of suspend-blockers LKML thread, take three Date: Tue, 17 Aug 2010 11:25:01 -0400 Message-ID: <20100817152501.GH21182@thunk.org> 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-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline In-Reply-To: <20100814095351.6a996187@infradead.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: linux-pm-bounces@lists.linux-foundation.org Errors-To: linux-pm-bounces@lists.linux-foundation.org To: Arjan van de Ven Cc: david@lang.hm, peterz@infradead.org, Brian Swetland , Felipe Contreras , linux-kernel@vger.kernel.org, James.Bottomley@suse.de, galibert@pobox.com, florian@mickler.org, menage@google.com, linux-pm@lists.linux-foundation.org, paulmck@linux.vnet.ibm.com, tglx@linutronix.de, Alan Cox , swmike@swm.pp.se List-Id: linux-pm@vger.kernel.org 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