On Wed, Mar 25, 2015 at 04:58:18PM +1100, David Gibson wrote:
> On Mon, Mar 23, 2015 at 07:06:02PM +0530, Bharata B Rao wrote:
> > Initialize a hotplug memory region under which all the hotplugged
> > memory is accommodated. Also enable memory hotplug by setting
> > CONFIG_MEM_HOTPLUG.
> >
> > Modelled on i386 memory hotplug.
> >
> > Signed-off-by: Bharata B Rao <bhar...@linux.vnet.ibm.com>
> > ---
> > default-configs/ppc64-softmmu.mak | 1 +
> > hw/ppc/spapr.c | 50
> > +++++++++++++++++++++++++++++++++++++++
> > include/hw/ppc/spapr.h | 12 ++++++++++
> > 3 files changed, 63 insertions(+)
> >
> > diff --git a/default-configs/ppc64-softmmu.mak
> > b/default-configs/ppc64-softmmu.mak
> > index 22ef132..16b3011 100644
> > --- a/default-configs/ppc64-softmmu.mak
> > +++ b/default-configs/ppc64-softmmu.mak
> > @@ -51,3 +51,4 @@ CONFIG_XICS_KVM=$(and $(CONFIG_PSERIES),$(CONFIG_KVM))
> > # For PReP
> > CONFIG_MC146818RTC=y
> > CONFIG_ISA_TESTDEV=y
> > +CONFIG_MEM_HOTPLUG=y
> > diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
> > index 3e56d9e..e43bb49 100644
> > --- a/hw/ppc/spapr.c
> > +++ b/hw/ppc/spapr.c
> > @@ -125,8 +125,13 @@ struct sPAPRMachineState {
> >
> > /*< public >*/
> > char *kvm_type;
> > + ram_addr_t hotplug_memory_base;
> > + MemoryRegion hotplug_memory;
> > + bool enforce_aligned_dimm;
> > };
> >
> > +#define SPAPR_MACHINE_ENFORCE_ALIGNED_DIMM "enforce-aligned-dimm"
>
> What's the rationale for including this option?
I couldn't see any use, but added it to be similar with x86. May be Igor
can tell us ?
Regards,
Bharata.
