Merge branch 'tracing/ftrace' into auto-ftrace-next
This commit is contained in:
@@ -767,6 +767,13 @@ EXPORT_SYMBOL_GPL(rodata_test_data);
|
||||
void mark_rodata_ro(void)
|
||||
{
|
||||
unsigned long start = PFN_ALIGN(_stext), end = PFN_ALIGN(__end_rodata);
|
||||
unsigned long rodata_start =
|
||||
((unsigned long)__start_rodata + PAGE_SIZE - 1) & PAGE_MASK;
|
||||
|
||||
#ifdef CONFIG_DYNAMIC_FTRACE
|
||||
/* Dynamic tracing modifies the kernel text section */
|
||||
start = rodata_start;
|
||||
#endif
|
||||
|
||||
printk(KERN_INFO "Write protecting the kernel read-only data: %luk\n",
|
||||
(end - start) >> 10);
|
||||
@@ -776,8 +783,7 @@ void mark_rodata_ro(void)
|
||||
* The rodata section (but not the kernel text!) should also be
|
||||
* not-executable.
|
||||
*/
|
||||
start = ((unsigned long)__start_rodata + PAGE_SIZE - 1) & PAGE_MASK;
|
||||
set_memory_nx(start, (end - start) >> PAGE_SHIFT);
|
||||
set_memory_nx(rodata_start, (end - rodata_start) >> PAGE_SHIFT);
|
||||
|
||||
rodata_test();
|
||||
|
||||
|
Reference in New Issue
Block a user