[PULL] UML updates for 3.12

[Richard Weinberger]

Linus,

please pull form:

  git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml.git for-linus

to receive UML updates for the 3.12 merge window.

This pile contains mostly fixes and improvements for issues identified
by Richard W. M. Jones while adding UML as backend to libguestfs.

Thanks,
//richard

----------------------------------------------------------------
Richard Weinberger (8):
      um: hostfs: Fix writeback
      um: Implement probe_kernel_read()
      um: ubd: Add REQ_FLUSH suppport
      um: ubd: Introduce submit_request()
      um: Cleanup SIGTERM handling
      um: Run UML in it's own session.
      um: prctl: Do not include linux/ptrace.h
      um: Add irq chip um/mask handlers

 arch/um/drivers/ubd.h        |  1 -
 arch/um/drivers/ubd_kern.c   | 72 ++++++++++++++++++++++++++++++++++++--------
 arch/um/drivers/ubd_user.c   |  5 ---
 arch/um/include/shared/os.h  |  3 ++
 arch/um/kernel/Makefile      |  2 +-
 arch/um/kernel/irq.c         |  4 +++
 arch/um/kernel/maccess.c     | 24 +++++++++++++++
 arch/um/os-Linux/aio.c       |  5 ++-
 arch/um/os-Linux/file.c      |  9 ++++++
 arch/um/os-Linux/main.c      |  2 ++
 arch/um/os-Linux/process.c   | 53 +++++++++++++++++++++++++++++++-
 arch/um/os-Linux/sigio.c     |  2 +-
 arch/um/os-Linux/util.c      | 10 ++++++
 arch/x86/um/os-Linux/prctl.c |  2 +-
 fs/hostfs/hostfs_kern.c      |  9 +++++-
 15 files changed, 176 insertions(+), 27 deletions(-)
 create mode 100644 arch/um/kernel/maccess.c
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