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.

Link: http://lkml.kernel.org/r/20111013085936.GA13046@elte.hu
Link: http://lkml.kernel.org/r/1318516816.12224.12.camel@gandalf.stny.rr.com
Link: http://lkml.kernel.org/r/20111017185440.GB5545@elte.hu
Acked-by: Hirokazu Takata <takata@linux-m32r.org>
Acked-by: David Rientjes <rientjes@google.com>
Reported-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>

diff --git a/arch/m32r/Kconfig b/arch/m32r/Kconfig
index b92b9445255d36bdf1734dfcb94d78b30892c755..6c4e9aaa70c195c57cfedc49281e941a53649e1d 100644 (file)
--- 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