path: root/arch/mips/include
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authorDeng-Cheng Zhu <dengcheng.zhu@gmail.com>2010-06-09 12:35:25 +0800
committerRalf Baechle <ralf@linux-mips.org>2010-10-04 18:33:54 +0100
commit2b78920d19870561a8b7503b8e869a6da5f07d3f (patch)
tree363e73cd197f0a873322df38bb8ac5dcb8f6541d /arch/mips/include
parent543001f8d8a878c3babe4525cb16d83d25c16762 (diff)
MIPS: Use generic atomic64 for 32-bit kernels
The 64-bit kernel has already had its atomic64 functions. Except for that, we use the generic spinlocked version. The atomic64 types and related functions are needed for the Linux performance counter subsystem. Signed-off-by: Deng-Cheng Zhu <dengcheng.zhu@gmail.com> To: linux-mips@linux-mips.org Cc: a.p.zijlstra@chello.nl Cc: paulus@samba.org Cc: mingo@elte.hu Cc: acme@redhat.com Cc: jamie.iles@picochip.com Patchwork: https://patchwork.linux-mips.org/patch/1361/ Acked-by: David Daney <ddaney@caviumnetworks.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/include')
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/mips/include/asm/atomic.h b/arch/mips/include/asm/atomic.h
index c63c56bfd184..47d87da379f9 100644
--- a/arch/mips/include/asm/atomic.h
+++ b/arch/mips/include/asm/atomic.h
@@ -782,6 +782,10 @@ static __inline__ int atomic64_add_unless(atomic64_t *v, long a, long u)
#define atomic64_add_negative(i, v) (atomic64_add_return(i, (v)) < 0)
+#else /* !CONFIG_64BIT */
+#include <asm-generic/atomic64.h>
#endif /* CONFIG_64BIT */

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