diff options
-rw-r--r-- | arch/powerpc/kernel/ftrace.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/arch/powerpc/kernel/ftrace.c b/arch/powerpc/kernel/ftrace.c index 77a7d186db1c..4112175183d3 100644 --- a/arch/powerpc/kernel/ftrace.c +++ b/arch/powerpc/kernel/ftrace.c | |||
@@ -113,6 +113,8 @@ static int test_24bit_addr(unsigned long ip, unsigned long addr) | |||
113 | return create_branch((unsigned int *)ip, addr, 0); | 113 | return create_branch((unsigned int *)ip, addr, 0); |
114 | } | 114 | } |
115 | 115 | ||
116 | #ifdef CONFIG_MODULES | ||
117 | |||
116 | static int is_bl_op(unsigned int op) | 118 | static int is_bl_op(unsigned int op) |
117 | { | 119 | { |
118 | return (op & 0xfc000003) == 0x48000001; | 120 | return (op & 0xfc000003) == 0x48000001; |
@@ -324,6 +326,7 @@ __ftrace_make_nop(struct module *mod, | |||
324 | return 0; | 326 | return 0; |
325 | } | 327 | } |
326 | #endif /* PPC64 */ | 328 | #endif /* PPC64 */ |
329 | #endif /* CONFIG_MODULES */ | ||
327 | 330 | ||
328 | int ftrace_make_nop(struct module *mod, | 331 | int ftrace_make_nop(struct module *mod, |
329 | struct dyn_ftrace *rec, unsigned long addr) | 332 | struct dyn_ftrace *rec, unsigned long addr) |
@@ -343,6 +346,7 @@ int ftrace_make_nop(struct module *mod, | |||
343 | return ftrace_modify_code(ip, old, new); | 346 | return ftrace_modify_code(ip, old, new); |
344 | } | 347 | } |
345 | 348 | ||
349 | #ifdef CONFIG_MODULES | ||
346 | /* | 350 | /* |
347 | * Out of range jumps are called from modules. | 351 | * Out of range jumps are called from modules. |
348 | * We should either already have a pointer to the module | 352 | * We should either already have a pointer to the module |
@@ -367,9 +371,13 @@ int ftrace_make_nop(struct module *mod, | |||
367 | mod = rec->arch.mod; | 371 | mod = rec->arch.mod; |
368 | 372 | ||
369 | return __ftrace_make_nop(mod, rec, addr); | 373 | return __ftrace_make_nop(mod, rec, addr); |
370 | 374 | #else | |
375 | /* We should not get here without modules */ | ||
376 | return -EINVAL; | ||
377 | #endif /* CONFIG_MODULES */ | ||
371 | } | 378 | } |
372 | 379 | ||
380 | #ifdef CONFIG_MODULES | ||
373 | #ifdef CONFIG_PPC64 | 381 | #ifdef CONFIG_PPC64 |
374 | static int | 382 | static int |
375 | __ftrace_make_call(struct dyn_ftrace *rec, unsigned long addr) | 383 | __ftrace_make_call(struct dyn_ftrace *rec, unsigned long addr) |
@@ -458,6 +466,7 @@ __ftrace_make_call(struct dyn_ftrace *rec, unsigned long addr) | |||
458 | return 0; | 466 | return 0; |
459 | } | 467 | } |
460 | #endif /* CONFIG_PPC64 */ | 468 | #endif /* CONFIG_PPC64 */ |
469 | #endif /* CONFIG_MODULES */ | ||
461 | 470 | ||
462 | int ftrace_make_call(struct dyn_ftrace *rec, unsigned long addr) | 471 | int ftrace_make_call(struct dyn_ftrace *rec, unsigned long addr) |
463 | { | 472 | { |
@@ -476,6 +485,7 @@ int ftrace_make_call(struct dyn_ftrace *rec, unsigned long addr) | |||
476 | return ftrace_modify_code(ip, old, new); | 485 | return ftrace_modify_code(ip, old, new); |
477 | } | 486 | } |
478 | 487 | ||
488 | #ifdef CONFIG_MODULES | ||
479 | /* | 489 | /* |
480 | * Out of range jumps are called from modules. | 490 | * Out of range jumps are called from modules. |
481 | * Being that we are converting from nop, it had better | 491 | * Being that we are converting from nop, it had better |
@@ -487,6 +497,10 @@ int ftrace_make_call(struct dyn_ftrace *rec, unsigned long addr) | |||
487 | } | 497 | } |
488 | 498 | ||
489 | return __ftrace_make_call(rec, addr); | 499 | return __ftrace_make_call(rec, addr); |
500 | #else | ||
501 | /* We should not get here without modules */ | ||
502 | return -EINVAL; | ||
503 | #endif /* CONFIG_MODULES */ | ||
490 | } | 504 | } |
491 | 505 | ||
492 | int ftrace_update_ftrace_func(ftrace_func_t func) | 506 | int ftrace_update_ftrace_func(ftrace_func_t func) |