diff options
-rw-r--r-- | kernel/trace/ftrace.c | 10 | ||||
-rwxr-xr-x | scripts/recordmcount.pl | 5 |
2 files changed, 6 insertions, 9 deletions
diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c index 9e54a6ccdb93..76bb884b6e16 100644 --- a/kernel/trace/ftrace.c +++ b/kernel/trace/ftrace.c | |||
@@ -263,14 +263,6 @@ static void ftrace_update_pid_func(void) | |||
263 | # error Dynamic ftrace depends on MCOUNT_RECORD | 263 | # error Dynamic ftrace depends on MCOUNT_RECORD |
264 | #endif | 264 | #endif |
265 | 265 | ||
266 | /* | ||
267 | * Since MCOUNT_ADDR may point to mcount itself, we do not want | ||
268 | * to get it confused by reading a reference in the code as we | ||
269 | * are parsing on objcopy output of text. Use a variable for | ||
270 | * it instead. | ||
271 | */ | ||
272 | static unsigned long mcount_addr = MCOUNT_ADDR; | ||
273 | |||
274 | enum { | 266 | enum { |
275 | FTRACE_ENABLE_CALLS = (1 << 0), | 267 | FTRACE_ENABLE_CALLS = (1 << 0), |
276 | FTRACE_DISABLE_CALLS = (1 << 1), | 268 | FTRACE_DISABLE_CALLS = (1 << 1), |
@@ -575,7 +567,7 @@ ftrace_code_disable(struct module *mod, struct dyn_ftrace *rec) | |||
575 | 567 | ||
576 | ip = rec->ip; | 568 | ip = rec->ip; |
577 | 569 | ||
578 | ret = ftrace_make_nop(mod, rec, mcount_addr); | 570 | ret = ftrace_make_nop(mod, rec, MCOUNT_ADDR); |
579 | if (ret) { | 571 | if (ret) { |
580 | ftrace_bug(ret, ip); | 572 | ftrace_bug(ret, ip); |
581 | rec->flags |= FTRACE_FL_FAILED; | 573 | rec->flags |= FTRACE_FL_FAILED; |
diff --git a/scripts/recordmcount.pl b/scripts/recordmcount.pl index 282485a22bf8..070042b4ccd5 100755 --- a/scripts/recordmcount.pl +++ b/scripts/recordmcount.pl | |||
@@ -109,6 +109,11 @@ if ($#ARGV < 7) { | |||
109 | my ($arch, $bits, $objdump, $objcopy, $cc, | 109 | my ($arch, $bits, $objdump, $objcopy, $cc, |
110 | $ld, $nm, $rm, $mv, $is_module, $inputfile) = @ARGV; | 110 | $ld, $nm, $rm, $mv, $is_module, $inputfile) = @ARGV; |
111 | 111 | ||
112 | # This file refers to mcount and shouldn't be ftraced, so lets' ignore it | ||
113 | if ($inputfile eq "kernel/trace/ftrace.o") { | ||
114 | exit(0); | ||
115 | } | ||
116 | |||
112 | # Acceptable sections to record. | 117 | # Acceptable sections to record. |
113 | my %text_sections = ( | 118 | my %text_sections = ( |
114 | ".text" => 1, | 119 | ".text" => 1, |