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authorIngo Molnar <mingo@elte.hu>2006-01-08 01:01:37 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2006-01-08 20:13:40 -0800
commite56d090310d7625ecb43a1eeebd479f04affb48b (patch)
tree2f479215dff4a2d8f3a9ed85200a5bc4f51534be /arch/arm26
parent4369ef3c3e9d3bd9b879580678778f558d481e90 (diff)
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op-kernel-dev-e56d090310d7625ecb43a1eeebd479f04affb48b.tar.gz
[PATCH] RCU signal handling
RCU tasklist_lock and RCU signal handling: send signals RCU-read-locked instead of tasklist_lock read-locked. This is a scalability improvement on SMP and a preemption-latency improvement under PREEMPT_RCU. Signed-off-by: Paul E. McKenney <paulmck@us.ibm.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Acked-by: William Irwin <wli@holomorphy.com> Cc: Roland McGrath <roland@redhat.com> Cc: Oleg Nesterov <oleg@tv-sign.ru> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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