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From cf3c7fd3f5898d515899841eadfe86a154c0268b Mon Sep 17 00:00:00 2001
From: jiangheng <jiangheng14@huawei.com>
Date: Thu, 11 Jan 2024 16:14:16 +0800
Subject: [PATCH] dpdk-bugfix-the-deadlock-in-rte_eal_init
---
lib/eal/linux/eal.c | 14 +++++++++-----
1 file changed, 9 insertions(+), 5 deletions(-)
diff --git a/lib/eal/linux/eal.c b/lib/eal/linux/eal.c
index 57da058..28226fc 100644
--- a/lib/eal/linux/eal.c
+++ b/lib/eal/linux/eal.c
@@ -1126,7 +1126,7 @@ rte_eal_init(int argc, char **argv)
rte_eal_init_alert("Cannot get hugepage information.");
rte_errno = EACCES;
rte_atomic_store_explicit(&run_once, 0, rte_memory_order_relaxed);
- return -1;
+ goto out;
}
}
@@ -1151,7 +1151,7 @@ rte_eal_init(int argc, char **argv)
rte_eal_init_alert("Cannot init logging.");
rte_errno = ENOMEM;
rte_atomic_store_explicit(&run_once, 0, rte_memory_order_relaxed);
- return -1;
+ goto out;
}
#ifdef VFIO_PRESENT
@@ -1159,7 +1159,7 @@ rte_eal_init(int argc, char **argv)
rte_eal_init_alert("Cannot init VFIO");
rte_errno = EAGAIN;
rte_atomic_store_explicit(&run_once, 0, rte_memory_order_relaxed);
- return -1;
+ goto out;
}
#endif
/* in secondary processes, memory init may allocate additional fbarrays
@@ -1169,7 +1169,7 @@ rte_eal_init(int argc, char **argv)
if (rte_eal_memzone_init() < 0) {
rte_eal_init_alert("Cannot init memzone");
rte_errno = ENODEV;
- return -1;
+ goto out;
}
rte_mcfg_mem_read_lock();
@@ -1178,7 +1178,7 @@ rte_eal_init(int argc, char **argv)
rte_mcfg_mem_read_unlock();
rte_eal_init_alert("Cannot init memory");
rte_errno = ENOMEM;
- return -1;
+ goto out;
}
/* the directories are locked during eal_hugepage_info_init */
@@ -1323,6 +1323,10 @@ rte_eal_init(int argc, char **argv)
eal_mcfg_complete();
return fctret;
+
+out:
+ eal_hugedirs_unlock();
+ return -1;
}
static int
--
2.33.0
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