From: okaya@kernel.org
To: Harman Kalra <hkalra@marvell.com>
Cc: dev@dpdk.org, Sinan Kaya <okaya@kernel.org>
Subject: [PATCH v3 6/7] eal_interrupts: don't reinitialize threads
Date: Mon, 14 Aug 2023 23:52:38 -0400 [thread overview]
Message-ID: <20230815035239.1365591-7-okaya@kernel.org> (raw)
In-Reply-To: <20230815035239.1365591-1-okaya@kernel.org>
From: Sinan Kaya <okaya@kernel.org>
Initialize interrupt thread once and keep a flag
for further init.
Signed-off-by: Sinan Kaya <okaya@kernel.org>
---
lib/eal/linux/eal_interrupts.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/lib/eal/linux/eal_interrupts.c b/lib/eal/linux/eal_interrupts.c
index c9881143be..6a35b4aebd 100644
--- a/lib/eal/linux/eal_interrupts.c
+++ b/lib/eal/linux/eal_interrupts.c
@@ -91,6 +91,9 @@ static struct rte_intr_source_list intr_sources;
/* interrupt handling thread */
static pthread_t intr_thread;
+/* flag for initialization */
+static bool intr_initialized;
+
/* VFIO interrupts */
#ifdef VFIO_PRESENT
@@ -1175,6 +1178,9 @@ rte_eal_intr_init(void)
{
int ret = 0;
+ if (intr_initialized)
+ return 0;
+
/* init the global interrupt source head */
TAILQ_INIT(&intr_sources);
@@ -1196,6 +1202,7 @@ rte_eal_intr_init(void)
"Failed to create thread for interrupt handling\n");
}
+ intr_initialized = true;
return ret;
}
--
2.25.1
next prev parent reply other threads:[~2023-08-15 3:53 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-08-15 3:52 [PATCH v3 0/7] support reinit flow okaya
2023-08-15 3:52 ` [PATCH v3 1/7] eal: fixes for re-initialization issues okaya
2023-08-15 3:52 ` [PATCH v3 2/7] tailq: skip init if already initialized okaya
2023-08-15 3:52 ` [PATCH v3 3/7] eal_memzone: bail out on initialized okaya
2023-08-15 3:52 ` [PATCH v3 4/7] memseg: init once okaya
2023-08-15 3:52 ` [PATCH v3 5/7] eal_memory: skip initialization okaya
2023-08-15 3:52 ` okaya [this message]
2023-08-15 3:52 ` [PATCH v3 7/7] eal: initialize worker threads once okaya
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