From: okaya@kernel.org
To: Anatoly Burakov <anatoly.burakov@intel.com>
Cc: dev@dpdk.org, Sinan Kaya <okaya@kernel.org>
Subject: [PATCH v1 3/7] eal_memzone: bail out on initialized
Date: Mon, 14 Aug 2023 21:38:22 -0400 [thread overview]
Message-ID: <20230815013826.1288972-4-okaya@kernel.org> (raw)
In-Reply-To: <20230815013826.1288972-1-okaya@kernel.org>
From: Sinan Kaya <okaya@kernel.org>
Initialize memzone once and bail out if someone calls init
multiple times.
Signed-off-by: Sinan Kaya <okaya@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
next prev parent reply other threads:[~2023-08-15 1:38 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-08-15 1:38 [PATCH v1 0/7] support reinit flow okaya
2023-08-15 1:38 ` [PATCH v1 1/7] eal: fixes for re-initialization issues okaya
2023-08-15 2:21 ` Stephen Hemminger
2023-08-15 2:24 ` Stephen Hemminger
2023-08-15 1:38 ` [PATCH v1 2/7] tailq: skip init if already initialized okaya
2023-08-15 2:22 ` Stephen Hemminger
2023-08-15 1:38 ` okaya [this message]
2023-08-15 2:22 ` [PATCH v1 3/7] eal_memzone: bail out on initialized Stephen Hemminger
2023-08-15 1:38 ` [PATCH v1 4/7] memseg: init once okaya
2023-08-15 1:38 ` [PATCH v1 5/7] eal_memory: skip initialization okaya
2023-08-15 1:38 ` [PATCH v1 6/7] eal_interrupts: don't reinitialize threads okaya
2023-08-15 2:20 ` Stephen Hemminger
2023-08-15 1:38 ` [PATCH v1 7/7] eal: initialize worker threads once okaya
2023-08-15 2:24 ` Stephen Hemminger
2023-08-15 2:12 ` [PATCH v1 0/7] support reinit flow Stephen Hemminger
2023-08-15 3:12 ` Sinan Kaya
2023-08-15 21:49 ` Stephen Hemminger
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