Re: [PATCH 2/2 v2, RFC] Driver core: Introduce offline/online callbacks for memory blocks

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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 <rafael.j.wysocki@xxxxxxxxx>
> > 
> > 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@xxxxxxxxx>
> > ---
> >  drivers/base/memory.c  |  105 +++++++++++++++++++++++++++++++++++++------------
> >  include/linux/memory.h |    1 
> >  2 files changed, 81 insertions(+), 25 deletions(-)
> 
> Acked-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

Thanks!

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