path: root/Documentation/RCU/whatisRCU.txt
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authorPaul E. McKenney <paulmck@linux.vnet.ibm.com>2010-01-04 16:04:02 -0800
committerIngo Molnar <mingo@elte.hu>2010-01-13 09:06:07 +0100
commitb6407e863934965cdc66cbc244d811ceeb6f4d77 (patch)
tree5fb8f9fe233a2084f283887e019e6bf5ac6fac29 /Documentation/RCU/whatisRCU.txt
parentcba8244a0f1c277b6b1e48ed6504fa434119e24d (diff)
rcu: Give different levels of the rcu_node hierarchy distinct lockdep names
Previously, each level of the rcu_node hierarchy had the same rather unimaginative name: "&rcu_node_class[i]". This makes lockdep diagnostics involving these lockdep classes less helpful than would be nice. This patch fixes this by giving each level of the rcu_node hierarchy a distinct name: "rcu_node_level_0", "rcu_node_level_1", and so on. This version of the patch includes improved diagnostics suggested by Josh Triplett and Peter Zijlstra. Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Cc: laijs@cn.fujitsu.com Cc: dipankar@in.ibm.com Cc: mathieu.desnoyers@polymtl.ca Cc: josh@joshtriplett.org Cc: dvhltc@us.ibm.com Cc: niv@us.ibm.com Cc: peterz@infradead.org Cc: rostedt@goodmis.org Cc: Valdis.Kletnieks@vt.edu Cc: dhowells@redhat.com LKML-Reference: <12626498421830-git-send-email-> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'Documentation/RCU/whatisRCU.txt')
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