linux-kernel - [PATCH] m32r: Allow use of atomic64

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Date:	Thu, 13 Oct 2011 10:40:16 -0400
From:	Steven Rostedt <rostedt@...dmis.org>
To:	LKML <linux-kernel@...r.kernel.org>, linux-m32r@...linux-m32r.org
Cc:	Hirokazu Takata <takata@...ux-m32r.org>,
	Ingo Molnar <mingo@...e.hu>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Thomas Gleixner <tglx@...utronix.de>,
	Andrew Morton <akpm@...ux-foundation.org>,
	"H. Peter Anvin" <hpa@...or.com>
Subject: [PATCH] m32r: Allow use of atomic64

Atomic64 is now a valid type in Linux. Archs that do not have their own
version of atomic64 operators are to use the generic operations.

The m32r architecture needs to define GENERIC_ATOMIC64.

Reported-by: Ingo Molnar <mingo@...e.hu>
Link: http://lkml.kernel.org/r/20111013085936.GA13046@elte.hu
Signed-off-by: Steven Rostedt <rostedt@...dmis.org>

diff --git a/arch/m32r/Kconfig b/arch/m32r/Kconfig
index b92b944..6c4e9aa 100644
--- a/arch/m32r/Kconfig
+++ b/arch/m32r/Kconfig
@@ -10,6 +10,7 @@ config M32R
 	select HAVE_GENERIC_HARDIRQS
 	select GENERIC_IRQ_PROBE
 	select GENERIC_IRQ_SHOW
+	select GENERIC_ATOMIC64
 
 config SBUS
 	bool


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