On 11/09, Oleg Nesterov wrote: > > And. Do you really need ->post_xol() method to emulate "push"? Why we can't > simply execute it out-of-line if copy_to_user() fails? > > branch_post_xol_op() is needed because we can't execute "call" out-of-line, > we need to restart and try again if copy_to_user() fails, but I don not > understand why it is needed to emulate "push".
If I wasn't clear, please see the comment in branch_clear_offset(). Oleg.
