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authorOleg Nesterov <oleg@redhat.com>2010-03-10 15:23:09 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2010-03-12 15:52:40 -0800
commit13aa9a6b0f2371d2ce0de57c2ede62ab7a787157 (patch)
treecf6e3d79a3defc5a291575aa26a5405d9815a5a5 /drivers
parent6edb6764409392836b44a61b06d94954efd6200f (diff)
pid_ns: zap_pid_ns_processes: use SEND_SIG_NOINFO instead of force_sig()
zap_pid_ns_processes() uses force_sig(SIGKILL) to ensure SIGKILL will be delivered to sub-namespace inits as well. This is correct, but we are going to change force_sig_info() semantics. See http://bugzilla.kernel.org/show_bug.cgi?id=15395#c31 We can use send_sig_info(SEND_SIG_NOINFO) instead, since 614c517d7c00af1b26ded20646b329397d6f51a1 ("signals: SEND_SIG_NOINFO should be considered as SI_FROMUSER()") SEND_SIG_NOINFO means "from user" and therefore send_signal() will get the correct from_ancestor_ns = T flag. Signed-off-by: Oleg Nesterov <oleg@redhat.com> Acked-by: Serge Hallyn <serue@us.ibm.com> Acked-by: Linus Torvalds <torvalds@linux-foundation.org> Acked-by: Roland McGrath <roland@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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