arch/mips/kernel/ftrace.c: In function â??ftrace_get_parent_ra_addrâ??:
arch/mips/kernel/ftrace.c:212: error: implicit declaration of function â??in_kernel_spaceâ??
arch/mips/kernel/ftrace.c: In function â??prepare_ftrace_returnâ??:
arch/mips/kernel/ftrace.c:314: error: â??MCOUNT_OFFSET_INSNSâ?? undeclared (first use in this function)
arch/mips/kernel/ftrace.c:314: error: (Each undeclared identifier is reported only once
arch/mips/kernel/ftrace.c:314: error: for each function it appears in.)
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
---
arch/mips/kernel/ftrace.c | 39 ++++++++++++++++++++-------------------
1 file changed, 20 insertions(+), 19 deletions(-)
Index: linux-2.6/arch/mips/kernel/ftrace.c
===================================================================
--- linux-2.6.orig/arch/mips/kernel/ftrace.c
+++ linux-2.6/arch/mips/kernel/ftrace.c
@@ -19,6 +19,26 @@
#include <asm-generic/sections.h>
+#if defined(KBUILD_MCOUNT_RA_ADDRESS) && defined(CONFIG_32BIT)
+#define MCOUNT_OFFSET_INSNS 5
+#else
+#define MCOUNT_OFFSET_INSNS 4
+#endif
+
+/*
+ * Check if the address is in kernel space
+ *
+ * Clone core_kernel_text() from kernel/extable.c, but doesn't call
+ * init_kernel_text() for Ftrace doesn't trace functions in init sections.
+ */
+static inline int in_kernel_space(unsigned long ip)
+{
+ if (ip >= (unsigned long)_stext &&
+ ip <= (unsigned long)_etext)
+ return 1;
+ return 0;
+}
+
#ifdef CONFIG_DYNAMIC_FTRACE
#define JAL 0x0c000000 /* jump & link: ip --> ra, jump to target */
@@ -54,20 +74,6 @@ static inline void ftrace_dyn_arch_init_
#endif
}
-/*
- * Check if the address is in kernel space
- *
- * Clone core_kernel_text() from kernel/extable.c, but doesn't call
- * init_kernel_text() for Ftrace doesn't trace functions in init sections.
- */
-static inline int in_kernel_space(unsigned long ip)
-{
- if (ip >= (unsigned long)_stext &&
- ip <= (unsigned long)_etext)
- return 1;
- return 0;
-}
-
static int ftrace_modify_code(unsigned long ip, unsigned int new_code)
{
int faulted;
@@ -112,11 +118,6 @@ static int ftrace_modify_code(unsigned l
* 1: offset = 4 instructions
*/
-#if defined(KBUILD_MCOUNT_RA_ADDRESS) && defined(CONFIG_32BIT)
-#define MCOUNT_OFFSET_INSNS 5
-#else
-#define MCOUNT_OFFSET_INSNS 4
-#endif
#define INSN_B_1F (0x10000000 | MCOUNT_OFFSET_INSNS)
int ftrace_make_nop(struct module *mod,
