Re: [PATCH v2.1] audit: Only use the syscall slowpath when syscall audit rules exist
On Mon, 2014-02-03 at 11:11 -0800, Andy Lutomirski wrote:
+void audit_inc_n_rules()
+{
+ struct task_struct *p, *g;
+ unsigned long flags;
+
+ read_lock_irqsave(&tasklist_lock, flags);
+ if (audit_n_rules++ == 0) {
I know it's right, but it's too clever for me :) If we do end up
adding something like this Can we just do:
if (!audit_n_rules) {}
audit_n_rules++
I like dumb code :)
+ do_each_thread(g, p) {
+ if (p->audit_context)
+ set_tsk_thread_flag(p, TIF_SYSCALL_AUDIT);
+ } while_each_thread(g, p);
+ }
+ read_unlock_irqrestore(&tasklist_lock, flags);
+}