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From: Jerin Jacob <jerin.jacob@caviumnetworks.com>
To: Jan Viktorin <viktorin@rehivetech.com>,
Gavin Hu <gavin.hu@arm.com>
Cc: dev@dpdk.org, thomas@monjalon.net, ola.liljedahl@arm.com,
Jerin Jacob <jerin.jacob@caviumnetworks.com>
Date: Sun, 7 Oct 2018 12:01:27 +0530
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Subject: [dpdk-dev] [PATCH] eal/armv7: add support for rte pause
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Add support for rte_pause() implementation for armv7.
Signed-off-by: Jerin Jacob <jerin.jacob@caviumnetworks.com>
---
The reference implementation for Linux's cpu_relax() for armv7 is at
https://elixir.bootlin.com/linux/latest/source/arch/arm/include/asm/processor.h#L100
---
lib/librte_eal/common/include/arch/arm/rte_pause_32.h | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/lib/librte_eal/common/include/arch/arm/rte_pause_32.h b/lib/librte_eal/common/include/arch/arm/rte_pause_32.h
index d4768c7a9..9b856e0cf 100644
--- a/lib/librte_eal/common/include/arch/arm/rte_pause_32.h
+++ b/lib/librte_eal/common/include/arch/arm/rte_pause_32.h
@@ -9,11 +9,13 @@
extern "C" {
#endif
-#include <rte_common.h>
+#include <rte_atomic.h>
+
#include "generic/rte_pause.h"
static inline void rte_pause(void)
{
+ rte_compiler_barrier();
}
#ifdef __cplusplus
--
2.19.0