[GIT PULL] (xen) stable/bug-fixes-rc4 for 2.6.39-rc4.

[Konrad Rzeszutek Wilk]

Linus,

Please git pull

git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen.git stable/bug-fixes-rc4

since git commit f0e615c3cb72b42191b558c130409335812621d8
Linus Torvalds (1)
    Linux 2.6.39-rc4

These are two patches that came about the patch introduced at the beginning
of 2.6.39 ("x86-64, mm: Put early page table high"
4b239f458c229de044d6905c2b0f9fe16ed9e01e). With the two patches, one fixes
booting of Linux with Xen hypervisor on a machine with an "gap" in the E820
right after 3.8GB to 4GB, while the other fixes booting of a 32-bit guest.

There is one more patch that we have been carrying in tree to fix the
regression introduced by "x86-64,mm: Put early page table high" which is not
yet ready - but hopefully will be at the end of the week, which will likely
go through the x86 tree.

Anyhow please pull these two following patches:

Stefano Stabellini (2):
      xen: do not create the extra e820 region at an addr lower than 4G
      xen: mask_rw_pte: do not apply the early_ioremap checks on x86_32

 arch/x86/xen/mmu.c   |   13 +++++++++----
 arch/x86/xen/setup.c |    2 +-
 2 files changed, 10 insertions(+), 5 deletions(-)

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