Re: [PATCH v5 0/4] pseries: Add cede support for cpu-offline

Benjamin Herrenschmidt
2009-11-11T21:36:04Z

On Wed, 2009-11-11 at 14:25 +0100, Peter Zijlstra wrote:
> On Fri, 2009-10-30 at 10:52 +0530, Gautham R Shenoy wrote:
>
> > Gautham R Shenoy (4):
> > pseries: Serialize cpu hotplug operations during deactivate Vs deallocate
> > pseries: Add code to online/offline CPUs of a DLPAR node.
> > pSeries: Add hooks to put the CPU into an appropriate offline state
> > pSeries: extended_cede_processor() helper function.
> >
> >
> > Documentation/cpu-hotplug.txt | 6 +
> > arch/powerpc/include/asm/lppaca.h | 9 +
> > arch/powerpc/platforms/pseries/dlpar.c | 129 ++++++++++++++++
> > arch/powerpc/platforms/pseries/hotplug-cpu.c | 182 ++++++++++++++++++++++-
> > arch/powerpc/platforms/pseries/offline_states.h | 18 ++
> > arch/powerpc/platforms/pseries/plpar_wrappers.h | 22 +++
> > arch/powerpc/platforms/pseries/smp.c | 19 ++
> > arch/powerpc/xmon/xmon.c | 3
> > drivers/base/cpu.c | 2
> > include/linux/cpu.h | 13 ++
> > 10 files changed, 387 insertions(+), 16 deletions(-)
> > create mode 100644 arch/powerpc/platforms/pseries/offline_states.h
>
> Not quite sure how you solved the DLPAR communication but since pretty
> much everything is under arch/powerpc/ I really don't have much to say.

Allright. I was hoping to have your ack for the drivers/base/cpu.c
change :-)

Cheers,
Ben.