diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-01-08 17:04:20 -0500 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-01-08 17:04:20 -0500 |
commit | 9993b364d2c42acc2949ddbc6371405e17829e32 (patch) | |
tree | b9eb8126c46f08cf09d513f77a48a53e941b7a92 /mm/maccess.c | |
parent | 82062e7b50280bcf0feca70ac35a44f375602976 (diff) | |
parent | b11e1eca7ed9c0b5dab21a62c11acc711d9bdda0 (diff) |
Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jwessel/linux-2.6-kgdb
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jwessel/linux-2.6-kgdb:
kgdb: Fix kernel-doc format error in kgdb.h
blackfin,kgdb: Do not put PC in gdb_regs into retx.
blackfin,kgdb,probe_kernel: Cleanup probe_kernel_read/write
maccess,probe_kernel: Allow arch specific override probe_kernel_(read|write)
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(); |