[GIT PULL tip/x86/mm] [v2] xen/x86 fixes

[Stefano Stabellini]

Hello,
I have a branch with two critical fixes for Xen and one cleanup for
arch/x86 (on which one of the two bug fixes depends upon); the branch is
based on tip/x86/mm.
I issued another git pull request a little while ago but a bug was found
that prevented a machine to boot with these three patches applied. The
bug turned out to be a bug in the SP5100 TCO WatchDog Timer Driver and
it is fixed by this patch:

https://lkml.org/lkml/2011/3/16/375

So I am now kindly asking you again to pull the branch:

git://xenbits.xen.org/people/sstabellini/linux-pvhvm.git 2.6.38-tip-fixes


The original threads were these patches were discussed are the
following:

https://lkml.org/lkml/2011/1/31/232
https://lkml.org/lkml/2011/3/1/281 

Please note that without these commits the current 2.6.39-rc0 crashes
reliably on Xen on every boot.

The list of commits with a diffstat follows:

Stefano Stabellini (2):
      xen: set max_pfn_mapped to the last pfn mapped
      xen: update mask_rw_pte after kernel page tables init changes

Yinghai Lu (1):
      x86: Cleanup highmap after brk is concluded

 arch/x86/kernel/head64.c |    3 ---
 arch/x86/kernel/setup.c  |   25 +++----------------------
 arch/x86/mm/init_64.c    |   11 ++++++-----
 arch/x86/xen/mmu.c       |   21 ++++++++++++---------
 4 files changed, 21 insertions(+), 39 deletions(-)

Thanks,

Stefano
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