[PATCH v1 3/7] eal_memzone: bail out on initialized

okaya at kernel.org okaya at kernel.org
Tue Aug 15 03:38:22 CEST 2023


From: Sinan Kaya <okaya at kernel.org>

Initialize memzone once and bail out if someone calls init
multiple times.

Signed-off-by: Sinan Kaya <okaya at kernel.org>
---
 lib/eal/common/eal_common_memzone.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/lib/eal/common/eal_common_memzone.c b/lib/eal/common/eal_common_memzone.c
index 930fee5fdc..c76f298267 100644
--- a/lib/eal/common/eal_common_memzone.c
+++ b/lib/eal/common/eal_common_memzone.c
@@ -395,8 +395,12 @@ int
 rte_eal_memzone_init(void)
 {
 	struct rte_mem_config *mcfg;
+	static int initialized = 0;
 	int ret = 0;
 
+	if (initialized)
+		return 0;
+
 	/* get pointer to global configuration */
 	mcfg = rte_eal_get_configuration()->mem_config;
 
@@ -415,6 +419,8 @@ rte_eal_memzone_init(void)
 
 	rte_rwlock_write_unlock(&mcfg->mlock);
 
+	initialized = 1;
+
 	return ret;
 }
 
-- 
2.25.1



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