From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alan Cox Subject: Re: Attempted summary of suspend-blockers LKML thread, take three Date: Fri, 13 Aug 2010 11:57:51 +0100 Message-ID: <20100813115751.3bbbafbd@lxorguk.ukuu.org.uk> References: <20100808155719.GB3635@thunk.org> <20100808213821.GD3635@thunk.org> <20100809112453.77210acc@lxorguk.ukuu.org.uk> <20100809181638.GI3026@linux.vnet.ibm.com> <20100811222854.GJ2516@linux.vnet.ibm.com> <20100812010612.GL2516@linux.vnet.ibm.com> <20100812034435.GA7403@linux.vnet.ibm.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20100812034435.GA7403@linux.vnet.ibm.com> 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: paulmck@linux.vnet.ibm.com Cc: david@lang.hm, Ted Ts'o , 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, swmike@swm.pp.se, tglx@linutronix.de, arjan@infradead.org List-Id: linux-pm@vger.kernel.org > > Think in terms of an ARM laptop. What good is opportunistic suspend if > > it's not going to help when the laptop is being used? > > For when the laptop is not being used, presumably. Or in time between keystrokes for most of the platform (backlight excepted). The Intel MID x86 devices are at the point that suspend/resume time on x86 is being hurt by the kernel rewriting smp alternatives as we go from 2 processors live to 1 and back. Alan