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ftrace/x86: Have x86 ftrace use the ftrace_modify_all_code()

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To remove duplicate code, have the ftrace arch_ftrace_update_code()
use the generic ftrace_modify_all_code(). This requires that the
default ftrace_replace_code() becomes a weak function so that an
arch may override it.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
This commit is contained in:
Steven Rostedt
2012-04-27 09:13:18 -04:00
committed by Steven Rostedt
parent 8ed3e2cfe4
commit e4f5d5440b
3 changed files with 5 additions and 15 deletions
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4
kernel/trace/ftrace.c
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@@ -1683,7 +1683,7 @@ __ftrace_replace_code(struct dyn_ftrace *rec, int enable)
return -1; /* unknow ftrace bug */
}
static void ftrace_replace_code(int update)
void __weak ftrace_replace_code(int enable)
{
struct dyn_ftrace *rec;
struct ftrace_page *pg;
@@ -1693,7 +1693,7 @@ static void ftrace_replace_code(int update)
return;
do_for_each_ftrace_rec(pg, rec) {
failed = __ftrace_replace_code(rec, update);
failed = __ftrace_replace_code(rec, enable);
if (failed) {
ftrace_bug(failed, rec->ip);
/* Stop processing */