diff options
| author | Tejun Heo <tj@kernel.org> | 2010-02-02 00:38:15 -0500 |
|---|---|---|
| committer | Tejun Heo <tj@kernel.org> | 2010-02-02 00:38:15 -0500 |
| commit | ab386128f20c44c458a90039ab1bdc265ac474c9 (patch) | |
| tree | 2ad188744922b1bb951fd10ff50dc04c83acce22 /mm/maccess.c | |
| parent | dbfc196a3cc1a2514ad0737a82f764de23bd65e6 (diff) | |
| parent | ab658321f32770b903a4426e2a6fae0392757755 (diff) | |
Merge branch 'master' into percpu
Diffstat (limited to 'mm/maccess.c')
| -rw-r--r-- | mm/maccess.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/mm/maccess.c b/mm/maccess.c index 9073695ff25f..4e348dbaecd7 100644 --- a/mm/maccess.c +++ b/mm/maccess.c | |||
| @@ -14,7 +14,11 @@ | |||
| 14 | * Safely read from address @src to the buffer at @dst. If a kernel fault | 14 | * Safely read from address @src to the buffer at @dst. If a kernel fault |
| 15 | * happens, handle that and return -EFAULT. | 15 | * happens, handle that and return -EFAULT. |
| 16 | */ | 16 | */ |
| 17 | long probe_kernel_read(void *dst, void *src, size_t size) | 17 | |
| 18 | long __weak probe_kernel_read(void *dst, void *src, size_t size) | ||
| 19 | __attribute__((alias("__probe_kernel_read"))); | ||
| 20 | |||
| 21 | long __probe_kernel_read(void *dst, void *src, size_t size) | ||
| 18 | { | 22 | { |
| 19 | long ret; | 23 | long ret; |
| 20 | mm_segment_t old_fs = get_fs(); | 24 | mm_segment_t old_fs = get_fs(); |
| @@ -39,7 +43,10 @@ EXPORT_SYMBOL_GPL(probe_kernel_read); | |||
| 39 | * Safely write to address @dst from the buffer at @src. If a kernel fault | 43 | * Safely write to address @dst from the buffer at @src. If a kernel fault |
| 40 | * happens, handle that and return -EFAULT. | 44 | * happens, handle that and return -EFAULT. |
| 41 | */ | 45 | */ |
| 42 | long notrace __weak probe_kernel_write(void *dst, void *src, size_t size) | 46 | long __weak probe_kernel_write(void *dst, void *src, size_t size) |
| 47 | __attribute__((alias("__probe_kernel_write"))); | ||
| 48 | |||
| 49 | long __probe_kernel_write(void *dst, void *src, size_t size) | ||
| 43 | { | 50 | { |
| 44 | long ret; | 51 | long ret; |
| 45 | mm_segment_t old_fs = get_fs(); | 52 | mm_segment_t old_fs = get_fs(); |
