diff options
Diffstat (limited to 'include/linux/io-mapping.h')
| -rw-r--r-- | include/linux/io-mapping.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/io-mapping.h b/include/linux/io-mapping.h index c81ed2ac16bd..e44e84f0156c 100644 --- a/include/linux/io-mapping.h +++ b/include/linux/io-mapping.h @@ -117,6 +117,8 @@ io_mapping_unmap(void __iomem *vaddr) #else +#include <linux/uaccess.h> + /* this struct isn't actually defined anywhere */ struct io_mapping; @@ -138,12 +140,14 @@ static inline void __iomem * io_mapping_map_atomic_wc(struct io_mapping *mapping, unsigned long offset) { + pagefault_disable(); return ((char __force __iomem *) mapping) + offset; } static inline void io_mapping_unmap_atomic(void __iomem *vaddr) { + pagefault_enable(); } /* Non-atomic map/unmap */ |