Commits
Merge tag 'for-linus-4.19-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip Pull xen updates from Juergen Gross: - add dma-buf functionality to Xen grant table handling - fix for booting the kernel as Xen PVH dom0 - fix for booting the kernel as a Xen PV guest with CONFIG_DEBUG_VIRTUAL enabled - other minor performance and style fixes * tag 'for-linus-4.19-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip: xen/balloon: fix balloon initialization for PVH Dom0 xen: don't use privcmd_call() from xen_mc_flush() xen/pv: Call get_cpu_address_sizes to set x86_virt/phys_bits xen/biomerge: Use true and false for boolean values xen/gntdev: don't dereference a null gntdev_dmabuf on allocation failure xen/spinlock: Don't use pvqspinlock if only 1 vCPU xen/gntdev: Implement dma-buf import functionality xen/gntdev: Implement dma-buf export functionality xen/gntdev: Add initial support for dma-buf UAPI xen/gntdev: Make private routines/structures accessible xen/gntdev: Allow mappings for DMA buffers xen/grant-table: Allow allocating buffers suitable for DMA xen/balloon: Share common memory reservation routines xen/grant-table: Make set/clear page private code shared