[Xen-devel] [PATCH 0 of 8] x86/mm fixes

[Andres Lagar-Cavilla <andres@xxxxxxxxxxxxxxxx>]

This patch series aggregates a number of fixes:
- Fix the paging load operation to correct the m2p entry, and
  promote the p2m entry to the final guest-accessible type
- Fix locking around p2m_teardown
- Fix read-only mapping of shared pages
- Output to the console the per-domain count of shared pages
- Eliminate a stale var from a p2m audit debugtrace printk
- Correct accounting of paged out pages when a paging-out is
  interrupted by a guest access
- Simplify (and in some cases eliminate) use of p2m get_gfn*_unlocked
- Allow for recursive locking in the mm-locks.h deadlock detection
  scheme

Patches 1, 4 and 6 involve paging, cc'ed Olaf Hering.

Patches 2, 7 and 8 lay more groundwork in preparation of fully
synchronized p2m access.

Signed-off-by: Andres Lagar-Cavilla <andres@xxxxxxxxxxxxxxxx>

 xen/arch/x86/mm/p2m.c         |  18 ++++++++----------
 xen/arch/x86/mm/p2m.c         |   4 ++--
 xen/arch/x86/mm.c             |   8 +++++++-
 xen/common/keyhandler.c       |   6 ++++--
 xen/arch/x86/mm/p2m.c         |   4 ++--
 xen/arch/x86/mm/p2m.c         |   3 ++-
 xen/arch/x86/hvm/emulate.c    |  35 ++++++++++++++++++++++++++++-------
 xen/arch/x86/hvm/hvm.c        |   5 ++++-
 xen/arch/x86/hvm/stdvga.c     |  12 ++++++++++--
 xen/arch/x86/hvm/vmx/vmx.c    |   2 +-
 xen/arch/x86/mm/mem_sharing.c |   2 +-
 xen/arch/x86/mm/mm-locks.h    |   3 ++-
 12 files changed, 71 insertions(+), 31 deletions(-)

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