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swiotlb-xen: static inline xen_phys_to_bus, xen_bus_to_phys, xen_virt_to_bus and range_straddles_page_boundary

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This functions are small and called frequently. Static inline them.

Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
This commit is contained in:
Stefano Stabellini
2013-10-25 10:33:27 +00:00
parent 3d24bbd7dd
commit 6b42a7eafb
1 changed files with 4 additions and 4 deletions
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8
drivers/xen/swiotlb-xen.c
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@@ -72,17 +72,17 @@ static unsigned long xen_io_tlb_nslabs;
static u64 start_dma_addr; static u64 start_dma_addr;
static dma_addr_t xen_phys_to_bus(phys_addr_t paddr) static inline dma_addr_t xen_phys_to_bus(phys_addr_t paddr)
{ {
return phys_to_machine(XPADDR(paddr)).maddr; return phys_to_machine(XPADDR(paddr)).maddr;
} }
static phys_addr_t xen_bus_to_phys(dma_addr_t baddr) static inline phys_addr_t xen_bus_to_phys(dma_addr_t baddr)
{ {
return machine_to_phys(XMADDR(baddr)).paddr; return machine_to_phys(XMADDR(baddr)).paddr;
} }
static dma_addr_t xen_virt_to_bus(void *address) static inline dma_addr_t xen_virt_to_bus(void *address)
{ {
return xen_phys_to_bus(virt_to_phys(address)); return xen_phys_to_bus(virt_to_phys(address));
} }
@@ -105,7 +105,7 @@ static int check_pages_physically_contiguous(unsigned long pfn,
return 1; return 1;
} }
static int range_straddles_page_boundary(phys_addr_t p, size_t size) static inline int range_straddles_page_boundary(phys_addr_t p, size_t size)
{ {
unsigned long pfn = PFN_DOWN(p); unsigned long pfn = PFN_DOWN(p);
unsigned int offset = p & ~PAGE_MASK; unsigned int offset = p & ~PAGE_MASK;