Re: [Xen-devel] [PATCH] xen PVonHVM: require at least Xen 3.4 as dom0

2012-10-31 Thread Pasi Kärkkäinen
On Wed, Oct 31, 2012 at 12:21:28PM +0200, Pasi Kärkkäinen wrote: > On Wed, Oct 31, 2012 at 10:29:25AM +0100, Olaf Hering wrote: > > On Wed, Oct 31, Ian Campbell wrote: > > > > > If I understand correctly this requirements comes from the need to > > > support moving the shared info page in order to

Re: [Xen-devel] [PATCH] xen PVonHVM: require at least Xen 3.4 as dom0

2012-10-31 Thread Ian Campbell
On Wed, 2012-10-31 at 09:29 +, Olaf Hering wrote: > On Wed, Oct 31, Ian Campbell wrote: > > > If I understand correctly this requirements comes from the need to > > support moving the shared info page in order to support kexec? > > > > So could we do something more fine grained and limit only

Re: [Xen-devel] [PATCH] xen PVonHVM: require at least Xen 3.4 as dom0

2012-10-31 Thread Pasi Kärkkäinen
On Wed, Oct 31, 2012 at 10:29:25AM +0100, Olaf Hering wrote: > On Wed, Oct 31, Ian Campbell wrote: > > > If I understand correctly this requirements comes from the need to > > support moving the shared info page in order to support kexec? > > > > So could we do something more fine grained and lim

Re: [Xen-devel] [PATCH] xen PVonHVM: require at least Xen 3.4 as dom0

2012-10-31 Thread Olaf Hering
On Tue, Oct 30, Pasi Kärkkäinen wrote: > On Tue, Oct 30, 2012 at 05:05:05PM +0100, Olaf Hering wrote: > > The XenPVHVM extensions have not been tested much on very old > > hypervisors. At least Xen 3.4 gets some testing with the pvops kernel. > IIRC upstream Linux PVonHVM drivers do work OK today

Re: [Xen-devel] [PATCH] xen PVonHVM: require at least Xen 3.4 as dom0

2012-10-31 Thread Olaf Hering
On Wed, Oct 31, Ian Campbell wrote: > If I understand correctly this requirements comes from the need to > support moving the shared info page in order to support kexec? > > So could we do something more fine grained and limit only the kexec > support (and therefore the movement of the SI into th

Re: [Xen-devel] [PATCH] xen PVonHVM: require at least Xen 3.4 as dom0

2012-10-31 Thread Ian Campbell
On Tue, 2012-10-30 at 18:28 +, Olaf Hering wrote: > On Tue, Oct 30, Pasi Kärkkäinen wrote: > > > On Tue, Oct 30, 2012 at 05:05:05PM +0100, Olaf Hering wrote: > > > The XenPVHVM extensions have not been tested much on very old > > > hypervisors. At least Xen 3.4 gets some testing with the pvops

Re: [Xen-devel] [PATCH] xen PVonHVM: require at least Xen 3.4 as dom0

2012-10-30 Thread Pasi Kärkkäinen
On Tue, Oct 30, 2012 at 05:05:05PM +0100, Olaf Hering wrote: > The XenPVHVM extensions have not been tested much on very old > hypervisors. At least Xen 3.4 gets some testing with the pvops kernel. > > Require at least Xen 3.4 for the PVonHVM extensions. If an older > hypervisor is detected the ex

Re: [Xen-devel] [PATCH] xen PVonHVM: require at least Xen 3.4 as dom0

2012-10-30 Thread Olaf Hering
On Tue, Oct 30, Pasi Kärkkäinen wrote: > On Tue, Oct 30, 2012 at 05:05:05PM +0100, Olaf Hering wrote: > > The XenPVHVM extensions have not been tested much on very old > > hypervisors. At least Xen 3.4 gets some testing with the pvops kernel. > > > > Require at least Xen 3.4 for the PVonHVM exten