On Mon, May 07, 2018 at 03:48:54PM +0200, Andrea Bolognani wrote:
> On Fri, 2018-04-27 at 22:17 +1000, David Gibson wrote:
> > On Fri, Apr 27, 2018 at 10:31:10AM +0200, Andrea Bolognani wrote:
> > > On Fri, 2018-04-27 at 12:14 +1000, David Gibson wrote:
> > > > Right.. note that with the draft
On Fri, 2018-04-27 at 22:17 +1000, David Gibson wrote:
> On Fri, Apr 27, 2018 at 10:31:10AM +0200, Andrea Bolognani wrote:
> > On Fri, 2018-04-27 at 12:14 +1000, David Gibson wrote:
> > > Right.. note that with the draft qemu patches a TCG guest will be
> > > prevented from using hugepages *by
On Fri, Apr 27, 2018 at 10:31:10AM +0200, Andrea Bolognani wrote:
> On Fri, 2018-04-27 at 12:14 +1000, David Gibson wrote:
> > On Thu, Apr 26, 2018 at 10:45:40AM +0200, Andrea Bolognani wrote:
> > > Unfortunately, that pretty much seals the deal on libvirt *not* being
> > > able to infer the value
On Fri, 2018-04-27 at 12:14 +1000, David Gibson wrote:
> On Thu, Apr 26, 2018 at 10:45:40AM +0200, Andrea Bolognani wrote:
> > Unfortunately, that pretty much seals the deal on libvirt *not* being
> > able to infer the value from other guest settings :(
> >
> > The only reasonable candidate would
On Thu, Apr 26, 2018 at 10:45:40AM +0200, Andrea Bolognani wrote:
> On Thu, 2018-04-26 at 10:55 +1000, David Gibson wrote:
> > On Wed, Apr 25, 2018 at 06:09:26PM +0200, Andrea Bolognani wrote:
> > > The new parameter would make it possible to make sure you will
> > > actually be able to use the
On Thu, 2018-04-26 at 10:55 +1000, David Gibson wrote:
> On Wed, Apr 25, 2018 at 06:09:26PM +0200, Andrea Bolognani wrote:
> > The new parameter would make it possible to make sure you will
> > actually be able to use the page size you're interested in inside
> > the guest, by preventing it from
On Wed, Apr 25, 2018 at 06:09:26PM +0200, Andrea Bolognani wrote:
> On Fri, 2018-04-20 at 20:21 +1000, David Gibson wrote:
> > On Fri, Apr 20, 2018 at 11:31:10AM +0200, Andrea Bolognani wrote:
> > > Is the 16 MiB page size available for both POWER8 and POWER9?
> >
> > No. That's a big part of
On Fri, 2018-04-20 at 20:21 +1000, David Gibson wrote:
> On Fri, Apr 20, 2018 at 11:31:10AM +0200, Andrea Bolognani wrote:
> > Is the 16 MiB page size available for both POWER8 and POWER9?
>
> No. That's a big part of what makes this such a mess. HPT has 16MiB
> and 16GiB hugepages, RPT has
On Tue, Apr 24, 2018 at 05:35:59PM +0200, Andrea Bolognani wrote:
> On Fri, 2018-04-20 at 20:21 +1000, David Gibson wrote:
> > On Fri, Apr 20, 2018 at 11:31:10AM +0200, Andrea Bolognani wrote:
> > > I'll have to look into it to be sure, but I think it should be
> > > possible for libvirt to
On Fri, 2018-04-20 at 20:21 +1000, David Gibson wrote:
> On Fri, Apr 20, 2018 at 11:31:10AM +0200, Andrea Bolognani wrote:
> > I'll have to look into it to be sure, but I think it should be
> > possible for libvirt to convert a generic
> >
> >
> >
> >
> >
> > to a more specific
> >
>
On Mon, Apr 23, 2018 at 10:31:39AM +0200, Andrea Bolognani wrote:
> On Fri, 2018-04-20 at 20:21 +1000, David Gibson wrote:
> > On Fri, Apr 20, 2018 at 11:31:10AM +0200, Andrea Bolognani wrote:
> > > I'll check out what other distros are doing: if all the major ones
> > > are defaulting to 64 KiB
On Fri, 2018-04-20 at 20:21 +1000, David Gibson wrote:
> On Fri, Apr 20, 2018 at 11:31:10AM +0200, Andrea Bolognani wrote:
> > I'll check out what other distros are doing: if all the major ones
> > are defaulting to 64 KiB pages these days, it might be reasonable
> > to do the same and pretend
On Fri, Apr 20, 2018 at 11:31:10AM +0200, Andrea Bolognani wrote:
> On Fri, 2018-04-20 at 12:35 +1000, David Gibson wrote:
> > On Thu, Apr 19, 2018 at 05:30:04PM +0200, Andrea Bolognani wrote:
> > > On Thu, 2018-04-19 at 16:29 +1000, David Gibson wrote:
> > > > This means that in order to use
On Fri, 2018-04-20 at 12:35 +1000, David Gibson wrote:
> On Thu, Apr 19, 2018 at 05:30:04PM +0200, Andrea Bolognani wrote:
> > On Thu, 2018-04-19 at 16:29 +1000, David Gibson wrote:
> > > This means that in order to use hugepages in a PAPR guest it's
> > > necessary to add a "cap-hpt-mps=24"
On Thu, Apr 19, 2018 at 05:30:04PM +0200, Andrea Bolognani wrote:
> On Thu, 2018-04-19 at 16:29 +1000, David Gibson wrote:
> > Currently the "pseries" machine type will (usually) advertise
> > different pagesizes to the guest when running under KVM and TCG, which
> > is not how things are supposed
On Thu, 2018-04-19 at 16:29 +1000, David Gibson wrote:
> Currently the "pseries" machine type will (usually) advertise
> different pagesizes to the guest when running under KVM and TCG, which
> is not how things are supposed to work.
>
> This comes from poor handling of hardware limitations which
Currently the "pseries" machine type will (usually) advertise
different pagesizes to the guest when running under KVM and TCG, which
is not how things are supposed to work.
This comes from poor handling of hardware limitations which mean that
under KVM HV the guest is unable to use pagesizes
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