Re: [Xen-devel] Supporting systems with large E820 maps

2017-03-21 Thread Daniel Kiper
On Tue, Mar 21, 2017 at 01:01:44PM +0100, Juergen Gross wrote: > On 21/03/17 11:05, Jan Beulich wrote: > On 21.03.17 at 06:14, wrote: > >> On 20/03/17 20:03, Alex Thorlton wrote: > >>> Hey everyone, > >>> > >>> Recently, I've been working with Boris Ostrovsky to get Xen running on > >>> some

Re: [Xen-devel] Supporting systems with large E820 maps

2017-03-21 Thread Juergen Gross
On 21/03/17 11:05, Jan Beulich wrote: On 21.03.17 at 06:14, wrote: >> On 20/03/17 20:03, Alex Thorlton wrote: >>> Hey everyone, >>> >>> Recently, I've been working with Boris Ostrovsky to get Xen running on >>> some of our larger systems, and we've run into a few problems with the >>> amount

Re: [Xen-devel] Supporting systems with large E820 maps

2017-03-21 Thread Jan Beulich
>>> On 21.03.17 at 06:14, wrote: > On 20/03/17 20:03, Alex Thorlton wrote: >> Hey everyone, >> >> Recently, I've been working with Boris Ostrovsky to get Xen running on >> some of our larger systems, and we've run into a few problems with the >> amount of space that Xen sets aside for the E820 ma

Re: [Xen-devel] Supporting systems with large E820 maps

2017-03-21 Thread Jan Beulich
>>> On 20.03.17 at 20:03, wrote: > --- xen.orig/arch/x86/e820.c > +++ xen/arch/x86/e820.c > @@ -134,7 +134,7 @@ static struct change_member *change_poin > static struct e820entry *overlap_list[E820MAX] __initdata; > static struct e820entry new_bios[E820MAX] __initdata; > > -static int __init sa

Re: [Xen-devel] Supporting systems with large E820 maps

2017-03-20 Thread Juergen Gross
On 20/03/17 20:03, Alex Thorlton wrote: > Hey everyone, > > Recently, I've been working with Boris Ostrovsky to get Xen running on > some of our larger systems, and we've run into a few problems with the > amount of space that Xen sets aside for the E820 map. > > The first problem that I hit was

[Xen-devel] Supporting systems with large E820 maps

2017-03-20 Thread Alex Thorlton
Hey everyone, Recently, I've been working with Boris Ostrovsky to get Xen running on some of our larger systems, and we've run into a few problems with the amount of space that Xen sets aside for the E820 map. The first problem that I hit was that E820MAX is far too small, at 128 entries, for the