diff options
Diffstat (limited to 'include/linux/ftrace.h')
| -rw-r--r-- | include/linux/ftrace.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h index 662697b..06e3ca5 100644 --- a/include/linux/ftrace.h +++ b/include/linux/ftrace.h @@ -94,6 +94,13 @@ ftrace_func_t ftrace_ops_get_func(struct ftrace_ops *ops); * ADDING - The ops is in the process of being added. * REMOVING - The ops is in the process of being removed. * MODIFYING - The ops is in the process of changing its filter functions. + * ALLOC_TRAMP - A dynamic trampoline was allocated by the core code. + * The arch specific code sets this flag when it allocated a + * trampoline. This lets the arch know that it can update the + * trampoline in case the callback function changes. + * The ftrace_ops trampoline can be set by the ftrace users, and + * in such cases the arch must not modify it. Only the arch ftrace + * core code should set this flag. */ enum { FTRACE_OPS_FL_ENABLED = 1 << 0, @@ -108,6 +115,7 @@ enum { FTRACE_OPS_FL_ADDING = 1 << 9, FTRACE_OPS_FL_REMOVING = 1 << 10, FTRACE_OPS_FL_MODIFYING = 1 << 11, + FTRACE_OPS_FL_ALLOC_TRAMP = 1 << 12, }; #ifdef CONFIG_DYNAMIC_FTRACE |
