From: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Date: Fri, 30 Apr 2010 13:42:01 +0000 (-0700)
Subject: rcu: add an rcu_dereference_index_check()
X-Git-Tag: v2.6.36-rc1~533^2~7
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f5155b33277c9678041a27869165619bb34f722f;p=pandora-kernel.git

rcu: add an rcu_dereference_index_check()

The sparse RCU-pointer checking relies on type magic that dereferences
the pointer in question.  This does not work if the pointer is in fact
an array index.  This commit therefore supplies a new RCU API that
omits the sparse checking to continue to support rcu_dereference()
on integers.

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
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