for the code as follows: if (condition) rte_smp_rmb(); else rte_smp_wmb(); Without this patch, compiler will report this error: error: 'else' without a previous 'if'
Fixes: 84733fd0d75e ("eal/arm64: fix memory barrier definition") Signed-off-by: Jia He <jia...@hxt-semitech.com> Acked-by: Jerin Jacob <jerin.ja...@caviumnetworks.com> --- lib/librte_eal/common/include/arch/arm/rte_atomic_64.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/lib/librte_eal/common/include/arch/arm/rte_atomic_64.h b/lib/librte_eal/common/include/arch/arm/rte_atomic_64.h index b6bbd0b..10ccf14 100644 --- a/lib/librte_eal/common/include/arch/arm/rte_atomic_64.h +++ b/lib/librte_eal/common/include/arch/arm/rte_atomic_64.h @@ -15,8 +15,8 @@ extern "C" { #include "generic/rte_atomic.h" -#define dsb(opt) { asm volatile("dsb " #opt : : : "memory"); } -#define dmb(opt) { asm volatile("dmb " #opt : : : "memory"); } +#define dsb(opt) asm volatile("dsb " #opt : : : "memory") +#define dmb(opt) asm volatile("dmb " #opt : : : "memory") #define rte_mb() dsb(sy) -- 2.7.4