Messages in this thread | | | Date | Fri, 7 Apr 2006 03:55:19 +0400 | From | Oleg Nesterov <> | Subject | Re: [PATCH 2/4] coredump: speedup SIGKILL sending |
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On 04/06, Lee Revell wrote: > On Fri, 2006-04-07 at 02:06 +0400, Oleg Nesterov wrote: > > With this patch a thread group is killed atomically under ->siglock. > > This is faster because we can use sigaddset() instead of force_sig_info() > > and this is used in further patches. > > > > Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru> > > Won't this cause huge latencies when a process with lots of threads is > killed?
Yes, irqs are disabled. But this is not worse than 'kill -9 pid', note that __group_complete_signal() or zap_other_threads() do the same.
Oleg.
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