Re: [Xen-devel] [PATCH 0/2] xen: Switch to virtual mapped linear p2m list

2014-10-28 Thread Juergen Gross
On 10/28/2014 01:39 PM, David Vrabel wrote: On 28/10/14 12:07, Juergen Gross wrote: Okay, back to the original question: is the (up to) 64 MB virtual mapping of the p2m list on 32-bit pv domains a problem or not? I think up-to 64 MiB of vmalloc area is fine. The vmalloc space can be increase

Re: [Xen-devel] [PATCH 0/2] xen: Switch to virtual mapped linear p2m list

2014-10-28 Thread Juergen Gross
On 10/28/2014 01:46 PM, Andrew Cooper wrote: On 28/10/14 12:44, David Vrabel wrote: On 28/10/14 12:42, Andrew Cooper wrote: On 28/10/14 12:39, David Vrabel wrote: On 28/10/14 12:07, Juergen Gross wrote: Okay, back to the original question: is the (up to) 64 MB virtual mapping of the p2m list

Re: [Xen-devel] [PATCH 0/2] xen: Switch to virtual mapped linear p2m list

2014-10-28 Thread Andrew Cooper
On 28/10/14 12:44, David Vrabel wrote: > On 28/10/14 12:42, Andrew Cooper wrote: >> On 28/10/14 12:39, David Vrabel wrote: >>> On 28/10/14 12:07, Juergen Gross wrote: Okay, back to the original question: is the (up to) 64 MB virtual mapping of the p2m list on 32-bit pv domains a problem o

Re: [Xen-devel] [PATCH 0/2] xen: Switch to virtual mapped linear p2m list

2014-10-28 Thread David Vrabel
On 28/10/14 12:42, Andrew Cooper wrote: > On 28/10/14 12:39, David Vrabel wrote: >> On 28/10/14 12:07, Juergen Gross wrote: >>> Okay, back to the original question: is the (up to) 64 MB virtual >>> mapping of the p2m list on 32-bit pv domains a problem or not? >> I think up-to 64 MiB of vmalloc are

Re: [Xen-devel] [PATCH 0/2] xen: Switch to virtual mapped linear p2m list

2014-10-28 Thread Andrew Cooper
On 28/10/14 12:39, David Vrabel wrote: > On 28/10/14 12:07, Juergen Gross wrote: >> Okay, back to the original question: is the (up to) 64 MB virtual >> mapping of the p2m list on 32-bit pv domains a problem or not? > I think up-to 64 MiB of vmalloc area is fine. The vmalloc space can be > increas

Re: [Xen-devel] [PATCH 0/2] xen: Switch to virtual mapped linear p2m list

2014-10-28 Thread David Vrabel
On 28/10/14 12:07, Juergen Gross wrote: > > Okay, back to the original question: is the (up to) 64 MB virtual > mapping of the p2m list on 32-bit pv domains a problem or not? I think up-to 64 MiB of vmalloc area is fine. The vmalloc space can be increased with a command line option in the unlike

Re: [Xen-devel] [PATCH 0/2] xen: Switch to virtual mapped linear p2m list

2014-10-28 Thread Juergen Gross
On 10/28/2014 12:53 PM, Andrew Cooper wrote: On 28/10/14 09:51, Ian Campbell wrote: On Tue, 2014-10-28 at 06:00 +0100, Juergen Gross wrote: On 10/27/2014 04:16 PM, David Vrabel wrote: On 27/10/14 14:52, Juergen Gross wrote: Paravirtualized kernels running on Xen use a three level tree for tra

Re: [Xen-devel] [PATCH 0/2] xen: Switch to virtual mapped linear p2m list

2014-10-28 Thread Andrew Cooper
On 28/10/14 09:51, Ian Campbell wrote: > On Tue, 2014-10-28 at 06:00 +0100, Juergen Gross wrote: >> On 10/27/2014 04:16 PM, David Vrabel wrote: >>> On 27/10/14 14:52, Juergen Gross wrote: Paravirtualized kernels running on Xen use a three level tree for translation of guest specific physi

Re: [Xen-devel] [PATCH 0/2] xen: Switch to virtual mapped linear p2m list

2014-10-28 Thread Ian Campbell
On Tue, 2014-10-28 at 06:00 +0100, Juergen Gross wrote: > On 10/27/2014 04:16 PM, David Vrabel wrote: > > On 27/10/14 14:52, Juergen Gross wrote: > >> Paravirtualized kernels running on Xen use a three level tree for > >> translation of guest specific physical addresses to machine global > >> addre