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authorPaul E. McKenney <paulmck@linux.vnet.ibm.com>2008-01-25 21:08:25 +0100
committerIngo Molnar <mingo@elte.hu>2008-01-25 21:08:25 +0100
commiteaf649e9fe6685f4c5a392cd0e16df5fd6660b7c (patch)
tree05fb08fc2e8bf9e87e9892130f4bd6e147d5a69d /Documentation/RCU
parente260be673a15b6125068270e0216a3bfbfc12f87 (diff)
downloadlinux-eaf649e9fe6685f4c5a392cd0e16df5fd6660b7c.tar.bz2
Preempt-RCU: CPU Hotplug handling
This patch allows preemptible RCU to tolerate CPU-hotplug operations. It accomplishes this by maintaining a local copy of a map of online CPUs, which it accesses under its own lock. Signed-off-by: Gautham R Shenoy <ego@in.ibm.com> Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Reviewed-by: Steven Rostedt <srostedt@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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