Add support for rte_pause() implementation for ppc64. Signed-off-by: Jerin Jacob <jerin.ja...@caviumnetworks.com> ---
The reference implementation for Linux's cpu_relax() for ppc64 is at https://elixir.bootlin.com/linux/latest/source/arch/powerpc/include/asm/processor.h#L440 --- lib/librte_eal/common/include/arch/ppc_64/rte_pause.h | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/lib/librte_eal/common/include/arch/ppc_64/rte_pause.h b/lib/librte_eal/common/include/arch/ppc_64/rte_pause.h index 8bd835764..16e47ce22 100644 --- a/lib/librte_eal/common/include/arch/ppc_64/rte_pause.h +++ b/lib/librte_eal/common/include/arch/ppc_64/rte_pause.h @@ -9,10 +9,17 @@ extern "C" { #endif +#include "rte_atomic.h" + #include "generic/rte_pause.h" static inline void rte_pause(void) { + /* Set hardware multi-threading low priority */ + asm volatile("or 1,1,1"); + /* Set hardware multi-threading medium priority */ + asm volatile("or 2,2,2"); + rte_compiler_barrier(); } #ifdef __cplusplus -- 2.19.0
