[MINI-OS PATCH v2 0/2] x86: don't use a memory page for mapping the shared info page

[Juergen Gross <jgross@xxxxxxxx>]

This is a small add-on series after the live-update series sent some
time ago.

I realized that having the shared info page in the normal RAM area is
a bad idea when considering kexec, as the new kernel might want it at
a different location.

So this series is moving the shared info page away from the RAM areas,
resulting in a net win of one memory page.

Changes in V2:
- addressed comments by Jan

Juergen Gross (2):
  mm: provide a way to do very early page table allocations
  x86: don't use a memory page for mapping the shared info page

 arch/x86/mm.c     | 20 ++++++++++++--------
 arch/x86/setup.c  | 15 ++++++++-------
 arch/x86/x86_32.S |  7 +------
 arch/x86/x86_64.S |  7 +------
 hypervisor.c      | 18 ++++++++++++++----
 5 files changed, 36 insertions(+), 31 deletions(-)

-- 
2.43.0