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authorDavid S. Miller <davem@davemloft.net>2010-01-23 01:45:46 -0500
committerDavid S. Miller <davem@davemloft.net>2010-01-23 01:45:46 -0500
commit6be325719b3e54624397e413efd4b33a997e55a3 (patch)
tree57f321a56794cab2222e179b16731e0d76a4a68a /mm/maccess.c
parent26d92f9276a56d55511a427fb70bd70886af647a (diff)
parent92dcffb916d309aa01778bf8963a6932e4014d07 (diff)
Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
Diffstat (limited to 'mm/maccess.c')
-rw-r--r--mm/maccess.c11
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 */
17long probe_kernel_read(void *dst, void *src, size_t size) 17
18long __weak probe_kernel_read(void *dst, void *src, size_t size)
19 __attribute__((alias("__probe_kernel_read")));
20
21long __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 */
42long notrace __weak probe_kernel_write(void *dst, void *src, size_t size) 46long __weak probe_kernel_write(void *dst, void *src, size_t size)
47 __attribute__((alias("__probe_kernel_write")));
48
49long __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();