From: okaya@kernel.org
To: Anatoly Burakov <anatoly.burakov@intel.com>
Cc: dev@dpdk.org, Sinan Kaya <okaya@kernel.org>
Subject: [PATCH v1 4/7] memseg: init once
Date: Mon, 14 Aug 2023 21:38:23 -0400 [thread overview]
Message-ID: <20230815013826.1288972-5-okaya@kernel.org> (raw)
In-Reply-To: <20230815013826.1288972-1-okaya@kernel.org>
From: Sinan Kaya <okaya@kernel.org>
Initialize memory segments just once and bail out if called
multiple times.
Signed-off-by: Sinan Kaya <okaya@kernel.org>
---
lib/eal/linux/eal_memory.c | 11 ++++++++++-
1 file changed, 10 insertions(+), 1 deletion(-)
diff --git a/lib/eal/linux/eal_memory.c b/lib/eal/linux/eal_memory.c
index 60fc8cc6ca..c7bf879d15 100644
--- a/lib/eal/linux/eal_memory.c
+++ b/lib/eal/linux/eal_memory.c
@@ -1902,6 +1902,11 @@ rte_eal_memseg_init(void)
{
/* increase rlimit to maximum */
struct rlimit lim;
+ static bool memseg_initialized = 0;
+ int ret;
+
+ if (memseg_initialized)
+ return 0;
#ifndef RTE_EAL_NUMA_AWARE_HUGEPAGES
const struct internal_config *internal_conf =
@@ -1930,11 +1935,15 @@ rte_eal_memseg_init(void)
}
#endif
- return rte_eal_process_type() == RTE_PROC_PRIMARY ?
+ ret = rte_eal_process_type() == RTE_PROC_PRIMARY ?
#ifndef RTE_ARCH_64
memseg_primary_init_32() :
#else
memseg_primary_init() :
#endif
memseg_secondary_init();
+
+ memseg_initialized = true;
+
+ return ret;
}
--
2.25.1
next prev parent reply other threads:[~2023-08-15 1:39 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 ` [PATCH v1 3/7] eal_memzone: bail out on initialized okaya
2023-08-15 2:22 ` Stephen Hemminger
2023-08-15 1:38 ` okaya [this message]
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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