Merge pull request #608 from jpoimboe/ipmodify

kmod/core: use FTRACE_OPS_FL_IPMODIFY flag
dynup · Aug 19, 2016 · 835fc04 · 835fc04
2 parents c305c0b + 3c7300c
commit 835fc04
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/kmod/core/core.c b/kmod/core/core.c
@@ -515,9 +515,13 @@ kpatch_ftrace_handler(unsigned long ip, unsigned long parent_ip,
 	preempt_enable_notrace();
 }
 
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 19, 0)
+#define FTRACE_OPS_FL_IPMODIFY 0
+#endif
+
 static struct ftrace_ops kpatch_ftrace_ops __read_mostly = {
 	.func = kpatch_ftrace_handler,
-	.flags = FTRACE_OPS_FL_SAVE_REGS,
+	.flags = FTRACE_OPS_FL_SAVE_REGS | FTRACE_OPS_FL_IPMODIFY,
 };
 
 static int kpatch_ftrace_add_func(unsigned long ip)