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Commit a0863669 authored by Ian Campbell's avatar Ian Campbell Committed by Ingo Molnar
Browse files

x86/swiotlb: add default swiotlb_arch_range_needs_mapping 



Xen will override these later on.

Signed-off-by: default avatarIan Campbell <ian.campbell@citrix.com>
Signed-off-by: default avatarJeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent 1d32251e

arch/x86/kernel/pci-swiotlb_64.c

+5 −0
Original line number Diff line number Diff line
@@ -33,6 +33,11 @@ phys_addr_t swiotlb_bus_to_phys(dma_addr_t baddr) 
	return baddr;

}



int __weak swiotlb_arch_range_needs_mapping(void *ptr, size_t size)

{

	return 0;

}



static dma_addr_t

swiotlb_map_single_phys(struct device *hwdev, phys_addr_t paddr, size_t size,

			int direction)