Perf-events is now using local_t helper functions internally. There is a use of local_xchg(). On MIPS, this is defined to xchg_local() which is missing in asm/system.h. This patch re-defines local_xchg() in asm/local.h to atomic_long_xchg(). Then Perf-events can pass the build. Signed-off-by: Deng-Cheng Zhu <dengcheng.zhu@xxxxxxxxx> --- arch/mips/include/asm/local.h | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/arch/mips/include/asm/local.h b/arch/mips/include/asm/local.h index bdcdef0..fffc830 100644 --- a/arch/mips/include/asm/local.h +++ b/arch/mips/include/asm/local.h @@ -117,7 +117,7 @@ static __inline__ long local_sub_return(long i, local_t * l) #define local_cmpxchg(l, o, n) \ ((long)cmpxchg_local(&((l)->a.counter), (o), (n))) -#define local_xchg(l, n) (xchg_local(&((l)->a.counter), (n))) +#define local_xchg(l, n) (atomic_long_xchg((&(l)->a), (n))) /** * local_add_unless - add unless the number is a given value -- 1.7.0.4