From: David Marchand <david.marchand@redhat.com>
To: dev@dpdk.org
Cc: Jerin Jacob <jerinj@marvell.com>, Gavin Hu <gavin.hu@arm.com>,
Jan Viktorin <viktorin@rehivetech.com>
Subject: [dpdk-dev] [PATCH] eal/arm64: remove internal macros
Date: Mon, 9 Mar 2020 10:38:44 +0100 [thread overview]
Message-ID: <20200309093844.30579-1-david.marchand@redhat.com> (raw)
No need to export dsb and dmb.
EAL memory barriers are the public API.
%s/\<\(d.b\)\>(\([^()]*\))$/asm volatile("\1 \2" : : : "memory")/
Signed-off-by: David Marchand <david.marchand@redhat.com>
---
.../common/include/arch/arm/rte_atomic_64.h | 19 ++++++++-----------
1 file changed, 8 insertions(+), 11 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 859ae129d8..7b7099cdc1 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
@@ -19,20 +19,17 @@ extern "C" {
#include <rte_compat.h>
#include <rte_debug.h>
-#define dsb(opt) asm volatile("dsb " #opt : : : "memory")
-#define dmb(opt) asm volatile("dmb " #opt : : : "memory")
+#define rte_mb() asm volatile("dsb sy" : : : "memory")
-#define rte_mb() dsb(sy)
+#define rte_wmb() asm volatile("dsb st" : : : "memory")
-#define rte_wmb() dsb(st)
+#define rte_rmb() asm volatile("dsb ld" : : : "memory")
-#define rte_rmb() dsb(ld)
+#define rte_smp_mb() asm volatile("dmb ish" : : : "memory")
-#define rte_smp_mb() dmb(ish)
+#define rte_smp_wmb() asm volatile("dmb ishst" : : : "memory")
-#define rte_smp_wmb() dmb(ishst)
-
-#define rte_smp_rmb() dmb(ishld)
+#define rte_smp_rmb() asm volatile("dmb ishld" : : : "memory")
#define rte_io_mb() rte_mb()
@@ -40,9 +37,9 @@ extern "C" {
#define rte_io_rmb() rte_rmb()
-#define rte_cio_wmb() dmb(oshst)
+#define rte_cio_wmb() asm volatile("dmb oshst" : : : "memory")
-#define rte_cio_rmb() dmb(oshld)
+#define rte_cio_rmb() asm volatile("dmb oshld" : : : "memory")
/*------------------------ 128 bit atomic operations -------------------------*/
--
2.23.0
next reply other threads:[~2020-03-09 9:39 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-09 9:38 David Marchand [this message]
2020-03-09 13:22 ` Gavin Hu
2020-03-09 16:17 ` Jerin Jacob
2020-03-13 9:47 ` David Marchand
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