On Tue, Nov 11, 2014 at 5:36 PM, Wei Liu wrote:
> Third stage:
>
>Basic PoD Ballooning Mem_relocation
> PV/PVH Y na Y na
> HVM Y YY X
>
> NUMA-aware PoD?
Hmm, that will certainly be interesting. :-)
The point of PoD is t
On Wed, Nov 12, 2014 at 09:23:58AM -0500, Konrad Rzeszutek Wilk wrote:
> On Wed, Nov 12, 2014 at 12:14:48PM +, Wei Liu wrote:
> > On Tue, Nov 11, 2014 at 06:03:22PM +, David Vrabel wrote:
> > > On 11/11/14 17:36, Wei Liu wrote:
> > > > # What's already implemented?
> > > >
> > > > PV vNUMA
On Wed, Nov 12, 2014 at 12:14:48PM +, Wei Liu wrote:
> On Tue, Nov 11, 2014 at 06:03:22PM +, David Vrabel wrote:
> > On 11/11/14 17:36, Wei Liu wrote:
> > > # What's already implemented?
> > >
> > > PV vNUMA support in libxl/xl and Linux kernel.
> >
> > Linux doesn't have vnuma yet, altho
>>> On 12.11.14 at 15:40, wrote:
> So what's the "usual technique" in Linux to make sure if a specific
> Xen feature is present?
>
> Jan, is it suitable to use a XENFEAT_* bit for this?
Yes, that would be the canonical way.
Jan
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On Wed, Nov 12, 2014 at 02:29:56PM +, David Vrabel wrote:
> On 12/11/14 14:27, Wei Liu wrote:
> > On Wed, Nov 12, 2014 at 02:13:09PM +, Jan Beulich wrote:
> > On 12.11.14 at 14:45, wrote:
> >>> On Wed, Nov 12, 2014 at 09:35:01AM +, Jan Beulich wrote:
> >>> On 11.11.14 at 19:03,
On 12/11/14 14:27, Wei Liu wrote:
> On Wed, Nov 12, 2014 at 02:13:09PM +, Jan Beulich wrote:
> On 12.11.14 at 14:45, wrote:
>>> On Wed, Nov 12, 2014 at 09:35:01AM +, Jan Beulich wrote:
>>> On 11.11.14 at 19:03, wrote:
> On 11/11/14 17:36, Wei Liu wrote:
>> Option #1 requir
On Wed, Nov 12, 2014 at 02:13:09PM +, Jan Beulich wrote:
> >>> On 12.11.14 at 14:45, wrote:
> > On Wed, Nov 12, 2014 at 09:35:01AM +, Jan Beulich wrote:
> >> >>> On 11.11.14 at 19:03, wrote:
> >> > On 11/11/14 17:36, Wei Liu wrote:
> >> >> Option #1 requires less modification to guest, be
>>> On 12.11.14 at 14:45, wrote:
> On Wed, Nov 12, 2014 at 09:35:01AM +, Jan Beulich wrote:
>> >>> On 11.11.14 at 19:03, wrote:
>> > On 11/11/14 17:36, Wei Liu wrote:
>> >> Option #1 requires less modification to guest, because guest won't
>> >> need to switch to new hypercall. It's unclear a
On Wed, Nov 12, 2014 at 09:35:01AM +, Jan Beulich wrote:
> >>> On 11.11.14 at 19:03, wrote:
> > On 11/11/14 17:36, Wei Liu wrote:
> >> Option #1 requires less modification to guest, because guest won't
> >> need to switch to new hypercall. It's unclear at this point if a guest
> >> asks to pop
On Tue, Nov 11, 2014 at 06:03:22PM +, David Vrabel wrote:
> On 11/11/14 17:36, Wei Liu wrote:
> > # What's already implemented?
> >
> > PV vNUMA support in libxl/xl and Linux kernel.
>
> Linux doesn't have vnuma yet, although the last set of patches I saw
> looked fine and were waiting for ac
>>> On 11.11.14 at 19:03, wrote:
> On 11/11/14 17:36, Wei Liu wrote:
>> Option #1 requires less modification to guest, because guest won't
>> need to switch to new hypercall. It's unclear at this point if a guest
>> asks to populate a gpfn that doesn't belong to any vnode, what Xen
>> should do ab
On 11/11/14 17:36, Wei Liu wrote:
> # What's already implemented?
>
> PV vNUMA support in libxl/xl and Linux kernel.
Linux doesn't have vnuma yet, although the last set of patches I saw
looked fine and were waiting for acks from x86 maintainers I think.
> # NUMA-aware ballooning
>
> It's agreed
# What's already implemented?
PV vNUMA support in libxl/xl and Linux kernel.
# What's planned but yet implemented?
NUMA-aware ballooning, HVM vNUMA
# How is vNUMA used in toolstack and Xen?
On libxl level, user (xl and other higher level toolstack) can specify
number of vnodes, size of a vnode
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