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[PATCH] coredump: speedup SIGKILL sending
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 <[email protected]> Cc: "Eric W. Biederman" <[email protected]> Acked-by: Roland McGrath <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
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