diff options
Diffstat (limited to 'include/linux/io-mapping.h')
| -rw-r--r-- | include/linux/io-mapping.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/io-mapping.h b/include/linux/io-mapping.h index 657fab4ef..c27dde721 100644 --- a/include/linux/io-mapping.h +++ b/include/linux/io-mapping.h @@ -141,6 +141,7 @@ static inline void __iomem * io_mapping_map_atomic_wc(struct io_mapping *mapping, unsigned long offset) { + preempt_disable(); pagefault_disable(); return ((char __force __iomem *) mapping) + offset; } @@ -149,6 +150,7 @@ static inline void io_mapping_unmap_atomic(void __iomem *vaddr) { pagefault_enable(); + preempt_enable(); } /* Non-atomic map/unmap */ |