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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2014-07-24 12:36:56 -0700
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2014-07-24 12:36:56 -0700
commitb9f12a5d97f652c77ef6803dccd0d40d1290f5be (patch)
tree8f58c8620ffef0d350a5ec022feda492a96b179a /arch/arm/kernel/ftrace.c
parent9d8dc3e529a19e427fd379118acd132520935c5d (diff)
parent9a3c4145af32125c5ee39c0272662b47307a8323 (diff)
Merge tag 'v3.16-rc6' into next
Merge with mainline to bring in changes to MFD to allow merging ipaq-micro-ts driver.
Diffstat (limited to 'arch/arm/kernel/ftrace.c')
-rw-r--r--arch/arm/kernel/ftrace.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/arm/kernel/ftrace.c b/arch/arm/kernel/ftrace.c
index c108ddcb9ba..af9a8a927a4 100644
--- a/arch/arm/kernel/ftrace.c
+++ b/arch/arm/kernel/ftrace.c
@@ -14,6 +14,7 @@
#include <linux/ftrace.h>
#include <linux/uaccess.h>
+#include <linux/module.h>
#include <asm/cacheflush.h>
#include <asm/opcodes.h>
@@ -63,6 +64,18 @@ static unsigned long adjust_address(struct dyn_ftrace *rec, unsigned long addr)
}
#endif
+int ftrace_arch_code_modify_prepare(void)
+{
+ set_all_modules_text_rw();
+ return 0;
+}
+
+int ftrace_arch_code_modify_post_process(void)
+{
+ set_all_modules_text_ro();
+ return 0;
+}
+
static unsigned long ftrace_call_replace(unsigned long pc, unsigned long addr)
{
return arm_gen_branch_link(pc, addr);