[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [Xen-devel] [PATCH 0/6] grub-xen: support booting huge pv-domains



Ping?

On 11/02/2015 06:51 AM, Juergen Gross wrote:
The Xen hypervisor supports starting a dom0 with large memory (up to
the TB range) by not including the initrd and p2m list in the initial
kernel mapping. Especially the p2m list can grow larger than the
available virtual space in the initial mapping.

The started kernel is indicating the support of each feature via
elf notes.

This series enables grub-xen to do the same as the hypervisor.

Tested with:
- 32 bit domU (kernel not supporting unmapped initrd)
- 32 bit domU (kernel supporting unmapped initrd)
- 1 GB 64 bit domU (kernel supporting unmapped initrd, not p2m)
- 1 GB 64 bit domU (kernel supporting unmapped initrd and p2m)
- 900GB 64 bit domU (kernel supporting unmapped initrd and p2m)


Juergen Gross (6):
   xen: factor out p2m list allocation into separate function
   xen: factor out allocation of special pages into separate function
   xen: factor out allocation of page tables into separate function
   xen: add capability to load initrd outside of initial mapping
   xen: modify page table construction
   xen: add capability to load p2m list outside of kernel mapping

  grub-core/lib/i386/xen/relocator.S   |  47 ++--
  grub-core/lib/x86_64/xen/relocator.S |  41 ++-
  grub-core/lib/xen/relocator.c        |  22 +-
  grub-core/loader/i386/xen.c          | 521 +++++++++++++++++++++++++----------
  grub-core/loader/i386/xen_fileXX.c   |   7 +
  include/grub/xen/relocator.h         |   6 +-
  include/grub/xen_file.h              |   3 +
  7 files changed, 446 insertions(+), 201 deletions(-)



_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxx
http://lists.xen.org/xen-devel


 


Rackspace

Lists.xenproject.org is hosted with RackSpace, monitoring our
servers 24x7x365 and backed by RackSpace's Fanatical Support®.