diff options
Diffstat (limited to 'mm/maccess.c')
| -rw-r--r-- | mm/maccess.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/mm/maccess.c b/mm/maccess.c index 9073695ff25..d53adf9ba84 100644 --- a/mm/maccess.c +++ b/mm/maccess.c @@ -1,9 +1,9 @@ /* * Access kernel memory without faulting. */ -#include <linux/uaccess.h> -#include <linux/module.h> +#include <linux/export.h> #include <linux/mm.h> +#include <linux/uaccess.h> /** * probe_kernel_read(): safely attempt to read from a location @@ -14,7 +14,11 @@ * Safely read from address @src to the buffer at @dst. If a kernel fault * happens, handle that and return -EFAULT. */ -long probe_kernel_read(void *dst, void *src, size_t size) + +long __weak probe_kernel_read(void *dst, const void *src, size_t size) + __attribute__((alias("__probe_kernel_read"))); + +long __probe_kernel_read(void *dst, const void *src, size_t size) { long ret; mm_segment_t old_fs = get_fs(); @@ -39,7 +43,10 @@ EXPORT_SYMBOL_GPL(probe_kernel_read); * Safely write to address @dst from the buffer at @src. If a kernel fault * happens, handle that and return -EFAULT. */ -long notrace __weak probe_kernel_write(void *dst, void *src, size_t size) +long __weak probe_kernel_write(void *dst, const void *src, size_t size) + __attribute__((alias("__probe_kernel_write"))); + +long __probe_kernel_write(void *dst, const void *src, size_t size) { long ret; mm_segment_t old_fs = get_fs(); |