From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756181Ab3EFTij (ORCPT ); Mon, 6 May 2013 15:38:39 -0400 Received: from hydra.sisk.pl ([212.160.235.94]:34655 "EHLO hydra.sisk.pl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755504Ab3EFTih (ORCPT ); Mon, 6 May 2013 15:38:37 -0400 From: "Rafael J. Wysocki" To: Greg Kroah-Hartman Cc: Toshi Kani , ACPI Devel Maling List , LKML , isimatu.yasuaki@jp.fujitsu.com, vasilis.liaskovitis@profitbricks.com, Len Brown , linux-mm@kvack.org Subject: Re: [PATCH 2/2 v2, RFC] Driver core: Introduce offline/online callbacks for memory blocks Date: Mon, 06 May 2013 21:46:59 +0200 Message-ID: <7557979.vTGLb3exlI@vostro.rjw.lan> User-Agent: KMail/4.9.5 (Linux/3.9.0+; KDE/4.9.5; x86_64; ; ) In-Reply-To: <20130506172044.GA13974@kroah.com> References: <1576321.HU0tZ4cGWk@vostro.rjw.lan> <19540491.PRsM4lKIYM@vostro.rjw.lan> <20130506172044.GA13974@kroah.com> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="utf-8" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Monday, May 06, 2013 10:20:44 AM Greg Kroah-Hartman wrote: > On Sat, May 04, 2013 at 01:21:16PM +0200, Rafael J. Wysocki wrote: > > From: Rafael J. Wysocki > > > > Introduce .offline() and .online() callbacks for memory_subsys > > that will allow the generic device_offline() and device_online() > > to be used with device objects representing memory blocks. That, > > in turn, allows the ACPI subsystem to use device_offline() to put > > removable memory blocks offline, if possible, before removing > > memory modules holding them. > > > > The 'online' sysfs attribute of memory block devices will attempt to > > put them offline if 0 is written to it and will attempt to apply the > > previously used online type when onlining them (i.e. when 1 is > > written to it). > > > > Signed-off-by: Rafael J. Wysocki > > --- > > drivers/base/memory.c | 105 +++++++++++++++++++++++++++++++++++++------------ > > include/linux/memory.h | 1 > > 2 files changed, 81 insertions(+), 25 deletions(-) > > Acked-by: Greg Kroah-Hartman Thanks!