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authorSteven Rostedt (Red Hat) <rostedt@goodmis.org>2014-05-08 07:01:21 -0400
committerSteven Rostedt <rostedt@goodmis.org>2014-05-14 11:37:29 -0400
commit7c0868e03b7a7c50fa10957d8dddaebb09c72044 (patch)
tree3b5fc12dd767f6ebbbec8058f59bea5ff585ab0d /kernel/trace/ftrace.c
parent7413af1fb70e7efa6dbc7f27663e7a5126b3aa33 (diff)
downloadop-kernel-dev-7c0868e03b7a7c50fa10957d8dddaebb09c72044.zip
op-kernel-dev-7c0868e03b7a7c50fa10957d8dddaebb09c72044.tar.gz
ftrace: Use the ftrace_addr helper functions to find the ftrace_addr
With the moving of the functions that determine what the mcount call site should be replaced with into the generic code, there is a few places in the generic code that can use them instead of hard coding it as it does. Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Diffstat (limited to 'kernel/trace/ftrace.c')
-rw-r--r--kernel/trace/ftrace.c15
1 files changed, 5 insertions, 10 deletions
diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index e825fde..52c2b53 100644
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -1798,12 +1798,12 @@ __ftrace_replace_code(struct dyn_ftrace *rec, int enable)
unsigned long ftrace_addr;
int ret;
- ret = ftrace_update_record(rec, enable);
+ ftrace_addr = ftrace_get_addr_new(rec);
- if (rec->flags & FTRACE_FL_REGS)
- ftrace_addr = (unsigned long)FTRACE_REGS_ADDR;
- else
- ftrace_addr = (unsigned long)FTRACE_ADDR;
+ /* This needs to be done before we call ftrace_update_record */
+ ftrace_old_addr = ftrace_get_addr_curr(rec);
+
+ ret = ftrace_update_record(rec, enable);
switch (ret) {
case FTRACE_UPDATE_IGNORE:
@@ -1817,11 +1817,6 @@ __ftrace_replace_code(struct dyn_ftrace *rec, int enable)
case FTRACE_UPDATE_MODIFY_CALL_REGS:
case FTRACE_UPDATE_MODIFY_CALL:
- if (rec->flags & FTRACE_FL_REGS)
- ftrace_old_addr = (unsigned long)FTRACE_ADDR;
- else
- ftrace_old_addr = (unsigned long)FTRACE_REGS_ADDR;
-
return ftrace_modify_call(rec, ftrace_old_addr, ftrace_addr);
}
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