Messages in this thread | | | Date | Mon, 6 May 2013 10:20:44 -0700 | From | Greg Kroah-Hartman <> | Subject | Re: [PATCH 2/2 v2, RFC] Driver core: Introduce offline/online callbacks for memory blocks |
| |
On Sat, May 04, 2013 at 01:21:16PM +0200, Rafael J. Wysocki wrote: > From: Rafael J. Wysocki <rafael.j.wysocki@intel.com> > > 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 <rafael.j.wysocki@intel.com> > --- > drivers/base/memory.c | 105 +++++++++++++++++++++++++++++++++++++------------ > include/linux/memory.h | 1 > 2 files changed, 81 insertions(+), 25 deletions(-)
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| |