tree 29a898621ce07eabf881ef40123f2882d7dccc1a
parent dbd952127d11bb44a4ea30b08cc60531b6a23d71
author Kees Cook <keescook@chromium.org> 1403906495 -0700
committer Kees Cook <keescook@chromium.org> 1405710820 -0700

seccomp: allow mode setting across threads

This changes the mode setting helper to allow threads to change the
seccomp mode from another thread. We must maintain barriers to keep
TIF_SECCOMP synchronized with the rest of the seccomp state.

Signed-off-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Oleg Nesterov <oleg@redhat.com>
Reviewed-by: Andy Lutomirski <luto@amacapital.net>