Re: [RFC/PATCH] Use kernel supplied MMU info for kvm tool

2012-07-31 Thread Pekka Enberg
On Wed, 18 Jul 2012, Michael Ellerman wrote: > It occurred to me overnight that I forgot to mention that in order to > build the new code you need the headers from a 3.5-rc1 era kernel (for > the ioctl & KVM_CAP definitions). > > The easiest way to do that is to merge linus' tree into kvmtool. >

Re: [RFC/PATCH] Use kernel supplied MMU info for kvm tool

2012-07-31 Thread Pekka Enberg
On Wed, 18 Jul 2012, Michael Ellerman wrote: It occurred to me overnight that I forgot to mention that in order to build the new code you need the headers from a 3.5-rc1 era kernel (for the ioctl KVM_CAP definitions). The easiest way to do that is to merge linus' tree into kvmtool. Are

Re: [RFC/PATCH] Use kernel supplied MMU info for kvm tool

2012-07-17 Thread Michael Ellerman
On Tue, 2012-07-17 at 17:09 +0300, Pekka Enberg wrote: > On Tue, Jul 17, 2012 at 12:33 PM, Matt Evans wrote: > > Just had a look, all good. Thanks for tidying some old FIXMEs, especially > > the page/segment DT props encoding grot -- and the designated inits in the > > cpuinfo struct, whew, I

Re: [RFC/PATCH] Use kernel supplied MMU info for kvm tool

2012-07-17 Thread Michael Ellerman
On Tue, 2012-07-17 at 10:33 +0100, Matt Evans wrote: > Hi Michael, > > On 2012-07-17 06:00, Michael Ellerman wrote: > > > This is a series for kvmtool that uses a newish kernel API to get > > MMU info, which is then fed to the guest. > > > > Currently we just make a good guess based on the PVR,

Re: [RFC/PATCH] Use kernel supplied MMU info for kvm tool

2012-07-17 Thread Pekka Enberg
On Tue, Jul 17, 2012 at 12:33 PM, Matt Evans wrote: > Just had a look, all good. Thanks for tidying some old FIXMEs, especially > the page/segment DT props encoding grot -- and the designated inits in the > cpuinfo struct, whew, I heard the scream on IRC. Sorry. ;-) > > Acked-by: Matt Evans

Re: [RFC/PATCH] Use kernel supplied MMU info for kvm tool

2012-07-17 Thread Matt Evans
Hi Michael, On 2012-07-17 06:00, Michael Ellerman wrote: This is a series for kvmtool that uses a newish kernel API to get MMU info, which is then fed to the guest. Currently we just make a good guess based on the PVR, but that is potentially flakey in a few ways. The most notable is that if

Re: [RFC/PATCH] Use kernel supplied MMU info for kvm tool

2012-07-17 Thread Matt Evans
Hi Michael, On 2012-07-17 06:00, Michael Ellerman wrote: This is a series for kvmtool that uses a newish kernel API to get MMU info, which is then fed to the guest. Currently we just make a good guess based on the PVR, but that is potentially flakey in a few ways. The most notable is that if

Re: [RFC/PATCH] Use kernel supplied MMU info for kvm tool

2012-07-17 Thread Pekka Enberg
On Tue, Jul 17, 2012 at 12:33 PM, Matt Evans m...@ozlabs.org wrote: Just had a look, all good. Thanks for tidying some old FIXMEs, especially the page/segment DT props encoding grot -- and the designated inits in the cpuinfo struct, whew, I heard the scream on IRC. Sorry. ;-) Acked-by: Matt

Re: [RFC/PATCH] Use kernel supplied MMU info for kvm tool

2012-07-17 Thread Michael Ellerman
On Tue, 2012-07-17 at 10:33 +0100, Matt Evans wrote: Hi Michael, On 2012-07-17 06:00, Michael Ellerman wrote: This is a series for kvmtool that uses a newish kernel API to get MMU info, which is then fed to the guest. Currently we just make a good guess based on the PVR, but that is

Re: [RFC/PATCH] Use kernel supplied MMU info for kvm tool

2012-07-17 Thread Michael Ellerman
On Tue, 2012-07-17 at 17:09 +0300, Pekka Enberg wrote: On Tue, Jul 17, 2012 at 12:33 PM, Matt Evans m...@ozlabs.org wrote: Just had a look, all good. Thanks for tidying some old FIXMEs, especially the page/segment DT props encoding grot -- and the designated inits in the cpuinfo struct,

[RFC/PATCH] Use kernel supplied MMU info for kvm tool

2012-07-16 Thread Michael Ellerman
Hi all, This is a series for kvmtool that uses a newish kernel API to get MMU info, which is then fed to the guest. Currently we just make a good guess based on the PVR, but that is potentially flakey in a few ways. The most notable is that if you don't specify hugepages we don't boot - because

[RFC/PATCH] Use kernel supplied MMU info for kvm tool

2012-07-16 Thread Michael Ellerman
Hi all, This is a series for kvmtool that uses a newish kernel API to get MMU info, which is then fed to the guest. Currently we just make a good guess based on the PVR, but that is potentially flakey in a few ways. The most notable is that if you don't specify hugepages we don't boot - because