ftrace: prevent freeing of all failed updates
authorAbhishek Sagar <sagar.abhishek@gmail.com>
Tue, 3 Jun 2008 03:03:41 +0000 (08:03 +0530)
committerIngo Molnar <mingo@elte.hu>
Tue, 10 Jun 2008 09:59:05 +0000 (11:59 +0200)
commit34078a5e44db3cbed2e0ed580c29a39d94e0cd97
tree30bc17928302d6e38f352ab7fb11d1907906d058
parenteb9a7bf09172f409c10ec9560adeea95bb4045f5
ftrace: prevent freeing of all failed updates

Steven Rostedt wrote:
> If we unload a module and reload it, will it ever get converted again?

The intent was always to filter core kernel functions to prevent their freeing.
Here's a fix which should allow re-recording of module call-sites.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
kernel/trace/ftrace.c