From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759588Ab0E0TwZ (ORCPT ); Thu, 27 May 2010 15:52:25 -0400 Received: from earthlight.etchedpixels.co.uk ([81.2.110.250]:37243 "EHLO www.etchedpixels.co.uk" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1759569Ab0E0TwX (ORCPT ); Thu, 27 May 2010 15:52:23 -0400 Date: Thu, 27 May 2010 20:59:16 +0100 From: Alan Cox To: Matthew Garrett Cc: Thomas Gleixner , Arve =?ISO-8859-14?B?SGr4bm5l?= =?ISO-8859-14?B?duVn?= , Florian Mickler , Vitaly Wool , Peter Zijlstra , LKML , Paul@smtp1.linux-foundation.org, felipe.balbi@nokia.com, Linux OMAP Mailing List , Linux PM Subject: Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8) Message-ID: <20100527205916.1659374e@lxorguk.ukuu.org.uk> In-Reply-To: <20100527182303.GM3543@srcf.ucam.org> References: <20100527140655.GA28048@srcf.ucam.org> <20100527155201.GA31937@srcf.ucam.org> <20100527165931.GB1062@srcf.ucam.org> <20100527172343.GB2468@srcf.ucam.org> <20100527184918.3d090921@lxorguk.ukuu.org.uk> <20100527175030.GA3543@srcf.ucam.org> <20100527182303.GM3543@srcf.ucam.org> X-Mailer: Claws Mail 3.7.5 (GTK+ 2.18.9; x86_64-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 27 May 2010 19:23:03 +0100 Matthew Garrett wrote: > On Thu, May 27, 2010 at 08:18:49PM +0200, Thomas Gleixner wrote: > > On Thu, 27 May 2010, Matthew Garrett wrote: > > > Actually, the reverse - there's no terribly good way to make PCs work > > > with scheduler-based suspend, but there's no reason why they wouldn't > > > work with the current opportunistic suspend implementation. > > > > How does that solve the problems you mentioned above ? Wakeup > > guarantees, latencies ... > > Latency doesn't matter because we don't care when the next timer is due > to expire. In your specific current implementation. It matters a hell of a lot in most cases. Alan