diff options
Diffstat (limited to 'lib/swiotlb.c')
| -rw-r--r-- | lib/swiotlb.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/lib/swiotlb.c b/lib/swiotlb.c index cdc051eaf667..e4399fa65ad6 100644 --- a/lib/swiotlb.c +++ b/lib/swiotlb.c @@ -38,6 +38,9 @@ #include <linux/bootmem.h> #include <linux/iommu-helper.h> +#define CREATE_TRACE_POINTS +#include <trace/events/swiotlb.h> + #define OFFSET(val,align) ((unsigned long) \ ( (val) & ( (align) - 1))) @@ -727,6 +730,8 @@ dma_addr_t swiotlb_map_page(struct device *dev, struct page *page, if (dma_capable(dev, dev_addr, size) && !swiotlb_force) return dev_addr; + trace_swiotlb_bounced(dev, dev_addr, size, swiotlb_force); + /* Oh well, have to allocate and map a bounce buffer. */ map = map_single(dev, phys, size, dir); if (map == SWIOTLB_MAP_ERROR) { |