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[Xen-devel] [PATCH] CONFIG_XEN_PV breaks xen_create_contiguous_region on ARM



xen_create_contiguous_region has now only an implementation if
CONFIG_XEN_PV is defined. However, on ARM we never set CONFIG_XEN_PV but
we do have an implementation of xen_create_contiguous_region which is
required for swiotlb-xen to work correctly (although it just sets
*dma_handle).

This fixes a bug introduced by 16624390816c4c40df3d777b34665d3fd01e693d.

diff --git a/include/xen/xen-ops.h b/include/xen/xen-ops.h
index fd18c97..939a962 100644
--- a/include/xen/xen-ops.h
+++ b/include/xen/xen-ops.h
@@ -41,7 +41,7 @@ static inline uint32_t xen_vcpu_nr(int cpu)
 
 extern unsigned long *xen_contiguous_bitmap;
 
-#ifdef CONFIG_XEN_PV
+#ifdef CONFIG_XEN_PV || CONFIG_ARM || CONFIG_ARM64
 int xen_create_contiguous_region(phys_addr_t pstart, unsigned int order,
                                unsigned int address_bits,
                                dma_addr_t *dma_handle);

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