From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Re: Should suspend plug low-level devices? Date: Wed, 16 Mar 2016 09:35:54 -0700 Message-ID: <20160316163554.GK6980@mtj.duckdns.org> References: <20160316150053.GG6980@mtj.duckdns.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from mail-pf0-f175.google.com ([209.85.192.175]:36470 "EHLO mail-pf0-f175.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755316AbcCPQf5 (ORCPT ); Wed, 16 Mar 2016 12:35:57 -0400 Received: by mail-pf0-f175.google.com with SMTP id u190so81385581pfb.3 for ; Wed, 16 Mar 2016 09:35:56 -0700 (PDT) Content-Disposition: inline In-Reply-To: Sender: linux-pm-owner@vger.kernel.org List-Id: linux-pm@vger.kernel.org To: "Rafael J. Wysocki" Cc: Alan Stern , Jan Kara , Peter Chen , florian@mickler.org, jkosina@suse.cz, Linux-pm mailing list Hello, Rafael. On Wed, Mar 16, 2016 at 05:31:23PM +0100, Rafael J. Wysocki wrote: > Essentially, every device interface that might be accessed by user > space would have to be intercepted somehow. That's what we're doing now. What I'm suggesting is that we should be plugging the point where they come together instead of the sources of which there can be many. Freezing does block a lot of those sources but not all. Thanks. -- tejun