mirror of https://gitee.com/openkylin/linux.git
dyndbg: make ddebug_tables list LIFO for add/remove_module
loadable modules are the last in on this list, and are the only modules that could be removed. ddebug_remove_module() searches from head, but ddebug_add_module() uses list_add_tail(). Change it to list_add() for a micro-optimization. Acked-by: <jbaron@akamai.com> Signed-off-by: Jim Cromie <jim.cromie@gmail.com> Link: https://lore.kernel.org/r/20200719231058.1586423-11-jim.cromie@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
parent
9c9d0acbe2
commit
47e9f5a823
|
@ -895,7 +895,7 @@ int ddebug_add_module(struct _ddebug *tab, unsigned int n,
|
|||
dt->ddebugs = tab;
|
||||
|
||||
mutex_lock(&ddebug_lock);
|
||||
list_add_tail(&dt->link, &ddebug_tables);
|
||||
list_add(&dt->link, &ddebug_tables);
|
||||
mutex_unlock(&ddebug_lock);
|
||||
|
||||
v2pr_info("%u debug prints in module %s\n", n, dt->mod_name);
|
||||
|
|
Loading…
Reference in New Issue