[GIT PULL] xen: bug fixes for 4.4-rc5

[David Vrabel <dvrabel@cantab.net>]

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Linus,

Please git pull the following tag:

 git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip.git for-linus-4.4-rc5-tag

xen: bug fixes for 4.4-rc5

- - XSA-155 security fixes to backend drivers.
- - XSA-157 security fixes to pciback.

Thanks.

David

 arch/x86/xen/mmu.c                    |  9 +----
 arch/x86/xen/suspend.c                | 20 +++++-----
 drivers/block/xen-blkback/blkback.c   | 15 ++++---
 drivers/block/xen-blkback/common.h    |  8 ++--
 drivers/net/xen-netback/netback.c     | 34 +++++++---------
 drivers/xen/events/events_fifo.c      | 23 ++++++++---
 drivers/xen/xen-pciback/pciback.h     |  1 +
 drivers/xen/xen-pciback/pciback_ops.c | 75 ++++++++++++++++++++++++++++-------
 drivers/xen/xen-pciback/xenbus.c      |  4 +-
 drivers/xen/xen-scsiback.c            |  2 +-
 include/xen/interface/io/ring.h       | 14 +++++++
 11 files changed, 138 insertions(+), 67 deletions(-)

Boris Ostrovsky (2):
      xen: Resume PMU from non-atomic context
      xen/x86/pvh: Use HVM's flush_tlb_others op

David Vrabel (4):
      xen: Add RING_COPY_REQUEST()
      xen-netback: don't use last request to determine minimum Tx credit
      xen-netback: use RING_COPY_REQUEST() throughout
      xen-scsiback: safely copy requests

Doug Goldstein (1):
      xen-pciback: fix up cleanup path when alloc fails

Konrad Rzeszutek Wilk (6):
      xen/pciback: Save xen_pci_op commands before processing it
      xen/pciback: Return error on XEN_PCI_OP_enable_msi when device has MSI or MSI-X enabled
      xen/pciback: Return error on XEN_PCI_OP_enable_msix when device has MSI or MSI-X enabled
      xen/pciback: Do not install an IRQ handler for MSI interrupts.
      xen/pciback: For XEN_PCI_OP_disable_msi[|x] only disable if device has MSI(X) enabled.
      xen/pciback: Don't allow MSI-X ops if PCI_COMMAND_MEMORY is not set.

Roger Pau Monné (2):
      xen-blkback: only read request operation from shared ring once
      xen-blkback: read from indirect descriptors only once

Ross Lagerwall (1):
      xen/events/fifo: Consume unprocessed events when a CPU dies
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