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/linux-master/include/linux/ | ||
H A D | rcupdate.h | diff c0f4dfd4 Fri Dec 28 12:30:36 MST 2012 Paul E. McKenney <paulmck@kernel.org> rcu: Make RCU_FAST_NO_HZ take advantage of numbered callbacks Because RCU callbacks are now associated with the number of the grace period that they must wait for, CPUs can now take advance callbacks corresponding to grace periods that ended while a given CPU was in dyntick-idle mode. This eliminates the need to try forcing the RCU state machine while entering idle, thus reducing the CPU intensiveness of RCU_FAST_NO_HZ, which should increase its energy efficiency. Signed-off-by: Paul E. McKenney <paul.mckenney@linaro.org> Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> |
/linux-master/init/ | ||
H A D | Kconfig | diff c0f4dfd4 Fri Dec 28 12:30:36 MST 2012 Paul E. McKenney <paulmck@kernel.org> rcu: Make RCU_FAST_NO_HZ take advantage of numbered callbacks Because RCU callbacks are now associated with the number of the grace period that they must wait for, CPUs can now take advance callbacks corresponding to grace periods that ended while a given CPU was in dyntick-idle mode. This eliminates the need to try forcing the RCU state machine while entering idle, thus reducing the CPU intensiveness of RCU_FAST_NO_HZ, which should increase its energy efficiency. Signed-off-by: Paul E. McKenney <paul.mckenney@linaro.org> Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> |
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