From fa9d13cf135efbd454453a53b6299976bea245a9 Mon Sep 17 00:00:00 2001 From: Zhaolei Date: Fri, 13 Mar 2009 17:16:34 +0800 Subject: ftrace: don't try to __ftrace_replace_code on !FTRACE_FL_CONVERTED rec Do __ftrace_replace_code for !FTRACE_FL_CONVERTED rec will always fail, we should ignore this rec. Signed-off-by: Zhao Lei Cc: "Steven Rostedt ;" LKML-Reference: <49BA2472.4060206@cn.fujitsu.com> Signed-off-by: Ingo Molnar --- kernel/trace/ftrace.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) (limited to 'kernel') diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c index 26c45aaf6805..08f4a624e31f 100644 --- a/kernel/trace/ftrace.c +++ b/kernel/trace/ftrace.c @@ -532,11 +532,12 @@ static void ftrace_replace_code(int enable) do_for_each_ftrace_rec(pg, rec) { /* - * Skip over free records and records that have - * failed. + * Skip over free records, records that have + * failed and not converted. */ if (rec->flags & FTRACE_FL_FREE || - rec->flags & FTRACE_FL_FAILED) + rec->flags & FTRACE_FL_FAILED || + rec->flags & FTRACE_FL_CONVERTED) continue; /* ignore updates to this record's mcount site */ @@ -548,7 +549,7 @@ static void ftrace_replace_code(int enable) } failed = __ftrace_replace_code(rec, enable); - if (failed && (rec->flags & FTRACE_FL_CONVERTED)) { + if (failed) { rec->flags |= FTRACE_FL_FAILED; if ((system_state == SYSTEM_BOOTING) || !core_kernel_text(rec->ip)) { -- cgit v1.2.1