[v3,6/7] eal_interrupts: don't reinitialize threads

Message ID 20230815035239.1365591-7-okaya@kernel.org (mailing list archive)
State Superseded, archived
Delegated to: Thomas Monjalon
Headers
Series support reinit flow |

Checks

Context Check Description
ci/checkpatch success coding style OK

Commit Message

Sinan Kaya Aug. 15, 2023, 3:52 a.m. UTC
  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(+)
  

Patch

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;
 }