- Fully support non-coherent devices on ARM by introducing the
mechanisms to request the hypervisor to perform the required cache
maintainance operations.
- A number of pciback bug fixes and cleanups. Notably a deadlock fix
if a PCI device was manually uunbound and a fix for incorrectly
restoring state after a function reset.
- In x86 PVHVM guests, use the APIC for interrupts if this has been
virtualized by the hardware. This reduces the number of interrupt-
related VM exits on such hardware.
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Merge tag 'stable/for-linus-3.19-rc0-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen features and fixes from David Vrabel:
- Fully support non-coherent devices on ARM by introducing the
mechanisms to request the hypervisor to perform the required cache
maintainance operations.
- A number of pciback bug fixes and cleanups. Notably a deadlock fix
if a PCI device was manually uunbound and a fix for incorrectly
restoring state after a function reset.
- In x86 PVHVM guests, use the APIC for interrupts if this has been
virtualized by the hardware. This reduces the number of interrupt-
related VM exits on such hardware.
* tag 'stable/for-linus-3.19-rc0-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip: (26 commits)
Revert "swiotlb-xen: pass dev_addr to swiotlb_tbl_unmap_single"
xen/pci: Use APIC directly when APIC virtualization hardware is available
xen/pci: Defer initialization of MSI ops on HVM guests
xen-pciback: drop SR-IOV VFs when PF driver unloads
xen/pciback: Restore configuration space when detaching from a guest.
PCI: Expose pci_load_saved_state for public consumption.
xen/pciback: Remove tons of dereferences
xen/pciback: Print out the domain owning the device.
xen/pciback: Include the domain id if removing the device whilst still in use
driver core: Provide an wrapper around the mutex to do lockdep warnings
xen/pciback: Don't deadlock when unbinding.
swiotlb-xen: pass dev_addr to swiotlb_tbl_unmap_single
swiotlb-xen: call xen_dma_sync_single_for_device when appropriate
swiotlb-xen: remove BUG_ON in xen_bus_to_phys
swiotlb-xen: pass dev_addr to xen_dma_unmap_page and xen_dma_sync_single_for_cpu
xen/arm: introduce GNTTABOP_cache_flush
xen/arm/arm64: introduce xen_arch_need_swiotlb
xen/arm/arm64: merge xen/mm32.c into xen/mm.c
xen/arm: use hypercall to flush caches in map_page
xen: add a dma_addr_t dev_addr argument to xen_dma_map_page
...
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