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    Subject[PATCH v9 18/18] swiotlb-xen: static inline xen_phys_to_bus, xen_bus_to_phys, xen_virt_to_bus and range_straddles_page_boundary
    Date
    This functions are small and called frequently. Static inline them.

    Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
    ---
    drivers/xen/swiotlb-xen.c | 8 ++++----
    1 files changed, 4 insertions(+), 4 deletions(-)

    diff --git a/drivers/xen/swiotlb-xen.c b/drivers/xen/swiotlb-xen.c
    index 4d50058..100962d 100644
    --- a/drivers/xen/swiotlb-xen.c
    +++ b/drivers/xen/swiotlb-xen.c
    @@ -72,17 +72,17 @@ static unsigned long xen_io_tlb_nslabs;

    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;
    }

    -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;
    }

    -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));
    }
    @@ -105,7 +105,7 @@ static int check_pages_physically_contiguous(unsigned long pfn,
    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 int offset = p & ~PAGE_MASK;
    --
    1.7.2.5


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