Re: [Qemu-devel] [PATCH 2/2 v5] numa: enable sparse node numbering on ppc

2014-07-02 Thread Eduardo Habkost
On Wed, Jul 02, 2014 at 02:02:14PM -0700, Nishanth Aravamudan wrote: > On 02.07.2014 [15:21:38 -0300], Eduardo Habkost wrote: > > On Tue, Jul 01, 2014 at 01:50:06PM -0700, Nishanth Aravamudan wrote: > > > On 01.07.2014 [17:39:57 -0300], Eduardo Habkost wrote: > > > > On Tue, Jul 01, 2014 at 01:13:2

Re: [Qemu-devel] [PATCH 2/2 v5] numa: enable sparse node numbering on ppc

2014-07-02 Thread Nishanth Aravamudan
On 02.07.2014 [15:21:38 -0300], Eduardo Habkost wrote: > On Tue, Jul 01, 2014 at 01:50:06PM -0700, Nishanth Aravamudan wrote: > > On 01.07.2014 [17:39:57 -0300], Eduardo Habkost wrote: > > > On Tue, Jul 01, 2014 at 01:13:28PM -0700, Nishanth Aravamudan wrote: > > > [...] > > > > diff --git a/hw/i38

Re: [Qemu-devel] [PATCH 2/2 v5] numa: enable sparse node numbering on ppc

2014-07-02 Thread Eduardo Habkost
On Tue, Jul 01, 2014 at 01:50:06PM -0700, Nishanth Aravamudan wrote: > On 01.07.2014 [17:39:57 -0300], Eduardo Habkost wrote: > > On Tue, Jul 01, 2014 at 01:13:28PM -0700, Nishanth Aravamudan wrote: > > [...] > > > diff --git a/hw/i386/pc.c b/hw/i386/pc.c > > > index 12472c6..cdefafe 100644 > > > -

Re: [Qemu-devel] [PATCH 2/2 v5] numa: enable sparse node numbering on ppc

2014-07-01 Thread Nishanth Aravamudan
On 01.07.2014 [17:39:57 -0300], Eduardo Habkost wrote: > On Tue, Jul 01, 2014 at 01:13:28PM -0700, Nishanth Aravamudan wrote: > [...] > > diff --git a/hw/i386/pc.c b/hw/i386/pc.c > > index 12472c6..cdefafe 100644 > > --- a/hw/i386/pc.c > > +++ b/hw/i386/pc.c > > @@ -1121,6 +1121,18 @@ PcGuestInfo *

Re: [Qemu-devel] [PATCH 2/2 v5] numa: enable sparse node numbering on ppc

2014-07-01 Thread Eduardo Habkost
On Tue, Jul 01, 2014 at 01:13:28PM -0700, Nishanth Aravamudan wrote: [...] > diff --git a/hw/i386/pc.c b/hw/i386/pc.c > index 12472c6..cdefafe 100644 > --- a/hw/i386/pc.c > +++ b/hw/i386/pc.c > @@ -1121,6 +1121,18 @@ PcGuestInfo *pc_guest_info_init(ram_addr_t > below_4g_mem_size, > guest_info

[Qemu-devel] [PATCH 2/2 v5] numa: enable sparse node numbering on ppc

2014-07-01 Thread Nishanth Aravamudan
Sparse node numbering occurs on powerpc in practice under PowerVM. In order to emulate the same NUMA topology under qemu, the assumption that NUMA nodes are linearly ordered has to be removed. qemu was recently modified to reject requests for sparse NUMA node numbering. Leverage the present field