Re: PATCH [1/1]: audit: acquire creds selectively to reduce atomic op overhead
Tony Jones <tonyj(a)suse.de> wrote:
Agree. Also I believe it is safe to use tsk->cred directly as tsk
== current
or tsk is being created by copy_process.
You can't quite access it like that without sparse throwing a warning. The
pointer is marked with an __rcu attribute, so you need to use something like
this:
cred = rcu_dereference_check(tsk->cred, (tsk == current ||
called_from_copy_process());
David