tree a956cc800a03f11254105fbd9926bab537b6863f
parent 3dc329baa2ed1740036183041cefaf8ceb714038
parent cb6b6df111e46b9d0f79eb971575fd50555f43f4
author Linus Torvalds <torvalds@linux-foundation.org> 1350048028 +0900
committer Linus Torvalds <torvalds@linux-foundation.org> 1350048028 +0900
mergetag object cb6b6df111e46b9d0f79eb971575fd50555f43f4
 type commit
 tag stable/for-linus-3.7-rc0-tag
 tagger Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> 1350046164 -0400
 
 Feature:
  - Register a pfn_is_ram helper to speed up reading of /proc/vmcore.
 Bug-fixes:
  - Three pvops call for Xen were undefined causing BUG_ONs.
  - Add a quirk so that the shutdown watches (used by kdump) are not used with older Xen (3.4).
  - Fix ungraceful state transition for the HVC console.
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Merge tag 'stable/for-linus-3.7-rc0-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen

Pull Xen fixes from Konrad Rzeszutek Wilk:
 "This has four bug-fixes and one tiny feature that I forgot to put
  initially in my tree due to oversight.

  The feature is for kdump kernels to speed up the /proc/vmcore reading.
  There is a ram_is_pfn helper function that the different platforms can
  register for.  We are now doing that.

  The bug-fixes cover some embarrassing struct pv_cpu_ops variables
  being set to NULL on Xen (but not baremetal).  We had a similar issue
  in the past with {write|read}_msr_safe and this fills the three
  missing ones.  The other bug-fix is to make the console output (hvc)
  be capable of dealing with misbehaving backends and not fall flat on
  its face.  Lastly, a quirk for older XenBus implementations that came
  with an ancient v3.4 hypervisor (so RHEL5 based) - reading of certain
  non-existent attributes just hangs the guest during bootup - so we
  take precaution of not doing that on such older installations.

  Feature:
   - Register a pfn_is_ram helper to speed up reading of /proc/vmcore.
  Bug-fixes:
   - Three pvops call for Xen were undefined causing BUG_ONs.
   - Add a quirk so that the shutdown watches (used by kdump) are not
     used with older Xen (3.4).
   - Fix ungraceful state transition for the HVC console."

* tag 'stable/for-linus-3.7-rc0-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen:
  xen/pv-on-hvm kexec: add quirk for Xen 3.4 and shutdown watches.
  xen/bootup: allow {read|write}_cr8 pvops call.
  xen/bootup: allow read_tscp call for Xen PV guests.
  xen pv-on-hvm: add pfn_is_ram helper for kdump
  xen/hvc: handle backend CLOSED without CLOSING