linux-kernel - [PATCH 2/5] irq_work: Shorten a bit irq_work_needs

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Message-Id: <1401028191-29756-3-git-send-email-fweisbec@gmail.com>
Date:	Sun, 25 May 2014 16:29:48 +0200
From:	Frederic Weisbecker <fweisbec@...il.com>
To:	LKML <linux-kernel@...r.kernel.org>
Cc:	Frederic Weisbecker <fweisbec@...il.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Ingo Molnar <mingo@...nel.org>,
	Kevin Hilman <khilman@...aro.org>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Viresh Kumar <viresh.kumar@...aro.org>
Subject: [PATCH 2/5] irq_work: Shorten a bit irq_work_needs_cpu()

Just a small cleanup.

Cc: Andrew Morton <akpm@...ux-foundation.org>
Cc: Ingo Molnar <mingo@...nel.org>
Cc: Kevin Hilman <khilman@...aro.org>
Cc: Paul E. McKenney <paulmck@...ux.vnet.ibm.com>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Thomas Gleixner <tglx@...utronix.de>
Cc: Viresh Kumar <viresh.kumar@...aro.org>
Signed-off-by: Frederic Weisbecker <fweisbec@...il.com>
---
 kernel/irq_work.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/kernel/irq_work.c b/kernel/irq_work.c
index 87551cb..dee5a1f 100644
--- a/kernel/irq_work.c
+++ b/kernel/irq_work.c
@@ -88,10 +88,7 @@ EXPORT_SYMBOL_GPL(irq_work_queue);
 
 bool irq_work_needs_cpu(void)
 {
-	struct llist_head *list;
-
-	list = &__get_cpu_var(lazy_list);
-	if (llist_empty(list))
+	if (llist_empty(&__get_cpu_var(lazy_list)))
 		return false;
 
 	/* All work should have been flushed before going offline */
-- 
1.8.3.1

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