seccomp: allow mode setting across threads

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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>

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Kees Cook 2014-06-27 15:01:35 -07:00

parent dbd952127d

commit 3ba2530cc0

1 changed files with 25 additions and 11 deletions

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kernel/seccomp.c

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