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(parent: e442055) | patch
kill_pid_info: don't take now unneeded tasklist_lock
authorOleg Nesterov <oleg@tv-sign.ru>
Wed, 30 Apr 2008 07:52:45 +0000 (00:52 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Wed, 30 Apr 2008 15:29:34 +0000 (08:29 -0700)
commit6ca25b551309eb1b1b41f83414a92f7472e0b23d
treea2c5785ec484ec997ac6a03d3fceae04e4d21795tree | snapshot (tar.gz zip)
parente442055193e4584218006e616c9bdce0c5e9ae5ccommit | diff
kill_pid_info: don't take now unneeded tasklist_lock

Previously handle_stop_signal(SIGCONT) could drop ->siglock.  That is why
kill_pid_info(SIGCONT) takes tasklist_lock to make sure the target task can't
go away after unlock.  Not needed now.

Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>
Cc: Roland McGrath <roland@redhat.com>
Cc: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
include/linux/signal.h diff | blob | blame | history
kernel/signal.c diff | blob | blame | history