Merge tag 'stable/for-linus-3.15-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip

Pull Xen features and fixes from David Vrabel:
 "Support PCI devices with multiple MSIs, performance improvement for
  kernel-based backends (by not populated m2p overrides when mapping),
  and assorted minor bug fixes and cleanups"

* tag 'stable/for-linus-3.15-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
  xen/acpi-processor: fix enabling interrupts on syscore_resume
  xen/grant-table: Refactor gnttab_[un]map_refs to avoid m2p_override
  xen: remove XEN_PRIVILEGED_GUEST
  xen: add support for MSI message groups
  xen-pciback: Use pci_enable_msix_exact() instead of pci_enable_msix()
  xen/xenbus: remove unused xenbus_bind_evtchn()
  xen/events: remove unnecessary call to bind_evtchn_to_cpu()
  xen/events: remove the unused resend_irq_on_evtchn()
  drivers:xen-selfballoon:reset 'frontswap_inertia_counter' after frontswap_shrink
  drivers: xen: Include appropriate header file in pcpu.c
  drivers: xen: Mark function as static in platform-pci.c

1 files changed, 6 insertions, 9 deletions

diff --git a/arch/arm/include/asm/xen/page.h b/arch/arm/include/asm/xen/page.h
index e0965abacb7d..cf4f3e867395 100644
--- a/arch/arm/include/asm/xen/page.h
+++ b/arch/arm/include/asm/xen/page.h
@@ -97,16 +97,13 @@ static inline pte_t *lookup_address(unsigned long address, unsigned int *level)
         return NULL;
 }
 
-static inline int m2p_add_override(unsigned long mfn, struct page *page,
-                struct gnttab_map_grant_ref *kmap_op)
-{
-        return 0;
-}
+extern int set_foreign_p2m_mapping(struct gnttab_map_grant_ref *map_ops,
+                                   struct gnttab_map_grant_ref *kmap_ops,
+                                   struct page **pages, unsigned int count);
 
-static inline int m2p_remove_override(struct page *page, bool clear_pte)
-{
-        return 0;
-}
+extern int clear_foreign_p2m_mapping(struct gnttab_unmap_grant_ref *unmap_ops,
+                                     struct gnttab_map_grant_ref *kmap_ops,
+                                     struct page **pages, unsigned int count);
 
 bool __set_phys_to_machine(unsigned long pfn, unsigned long mfn);
 bool __set_phys_to_machine_multi(unsigned long pfn, unsigned long mfn,