On 04/15/2010 09:38 AM, Deng-Cheng Zhu wrote:
Currently we take the generic spinlock'ed atomic64 implementation from the
lib. The atomic64 types and related functions are needed for the Linux
performance counter subsystem.
Signed-off-by: Deng-Cheng Zhu<dengcheng.zhu@xxxxxxxxx>
NAK.
---
arch/mips/Kconfig | 1 +
arch/mips/include/asm/atomic.h | 4 ++++
2 files changed, 5 insertions(+), 0 deletions(-)
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 29e8692..7161751 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -4,6 +4,7 @@ config MIPS
select HAVE_GENERIC_DMA_COHERENT
select HAVE_IDE
select HAVE_OPROFILE
+ select GENERIC_ATOMIC64
select HAVE_ARCH_KGDB
select HAVE_FUNCTION_TRACER
select HAVE_FUNCTION_TRACE_MCOUNT_TEST
diff --git a/arch/mips/include/asm/atomic.h b/arch/mips/include/asm/atomic.h
index 519197e..b0a932e 100644
--- a/arch/mips/include/asm/atomic.h
+++ b/arch/mips/include/asm/atomic.h
@@ -21,6 +21,10 @@
#include<asm/war.h>
#include<asm/system.h>
+#ifdef CONFIG_GENERIC_ATOMIC64
+#include<asm-generic/atomic64.h>
+#endif
+
#define ATOMIC_INIT(i) { (i) }
/*
This is incorrect. For 64-bit kernels, we already have all the 64-bit
atomics implemented. This will break 64-bit kernels.
David Daney
