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Date: Thu, 25 Jul 2013 15:34:25 +0100 From: James Hogan <james.hogan@...tec.com> To: <linux-kernel@...r.kernel.org> CC: James Hogan <james.hogan@...tec.com>, Steven Rostedt <rostedt@...dmis.org>, "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>, Dipankar Sarma <dipankar@...ibm.com> Subject: [PATCH 1/1] rcu: select IRQ_WORK from TREE_PREEMPT_RCU TREE_RCU and TREE_PREEMPT_RCU both cause kernel/rcutree.c to be built, but only TREE_RCU selects IRQ_WORK, which can result in an undefined reference to irq_work_queue for some (random) configs: kernel/built-in.o In function `rcu_start_gp_advanced': kernel/rcutree.c:1564: undefined reference to `irq_work_queue' Select IRQ_WORK from TREE_PREEMPT_RCU too to fix this. Signed-off-by: James Hogan <james.hogan@...tec.com> Cc: Steven Rostedt <rostedt@...dmis.org> Cc: Paul E. McKenney <paulmck@...ux.vnet.ibm.com> Cc: Dipankar Sarma <dipankar@...ibm.com> --- init/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/init/Kconfig b/init/Kconfig index 247084b..c08a549 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -470,6 +470,7 @@ config TREE_RCU config TREE_PREEMPT_RCU bool "Preemptible tree-based hierarchical RCU" depends on PREEMPT + select IRQ_WORK help This option selects the RCU implementation that is designed for very large SMP systems with hundreds or -- 1.8.1.2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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