On Wed, 5 Sep 2018, Peter Zijlstra wrote: > > if (tsk && tsk->mm && > > tsk->mm->context.ctx_id != last_ctx_id && > > - get_dumpable(tsk->mm) != SUID_DUMP_USER) > > + ___ptrace_may_access(current, tsk, PTRACE_MODE_IBPB)) > > indirect_branch_prediction_barrier(); > > See how the new (first) argument is 'current' and you could've just used > the old __ptrace_may_access().
Yeah, 1/3 is dropped in my current series already; this was cherry-picked from original Tim's series, but it is indeed superfluous. Thanks, -- Jiri Kosina SUSE Labs
