linux-kernel - [PATCH] percpu: Replace __get_cpu_var with this_cpu

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Date:	Tue, 15 Apr 2014 14:24:12 -0400
From:	Tejun Heo <htejun@...il.com>
To:	Christoph Lameter <cl@...ux.com>
Cc:	linux-kernel@...r.kernel.org
Subject: [PATCH] percpu: Replace __get_cpu_var with this_cpu_ptr

Applied to percpu/for-3.16 with patch description updated.

Thanks.

--------- 8< ---------
>From fdb9c293decf7e06795f7d9ae409df907c7ae1b6 Mon Sep 17 00:00:00 2001
From: Christoph Lameter <cl@...ux.com>
Date: Tue, 15 Apr 2014 12:39:14 -0500

__this_cpu_ptr is being phased out.  Use raw_cpu_ptr instead which was
introduced in 3.15-rc1.  One case of using __get_cpu_var in the
get_cpu_var macro for address calculation was remaining in
include/linux/percpu.h.

tj: Updated patch description.

Signed-off-by: Christoph Lameter <cl@...ux.com>
Signed-off-by: Tejun Heo <tj@...nel.org>
---
 include/linux/percpu.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/percpu.h b/include/linux/percpu.h
index e7a0b95..539b3ca 100644
--- a/include/linux/percpu.h
+++ b/include/linux/percpu.h
@@ -29,7 +29,7 @@
  */
 #define get_cpu_var(var) (*({				\
 	preempt_disable();				\
-	&__get_cpu_var(var); }))
+	this_cpu_ptr(&var); }))
 
 /*
  * The weird & is necessary because sparse considers (void)(var) to be
-- 
1.9.0

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