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[dpdk-dev,v6,11/26] eal: do not panic on PCI-probe

Message ID 20170228185315.12546-12-aconole@redhat.com (mailing list archive)
State Superseded, archived
Delegated to: Thomas Monjalon
Headers show

Checks

Context Check Description
ci/checkpatch success coding style OK
ci/Intel-compilation fail Compilation issues

Commit Message

Aaron Conole Feb. 28, 2017, 6:53 p.m. UTC
This will usually be an issue because of permissions.  However, it could
also be caused by OOM.  In either case, errno will contain the
underlying cause.  It is safe to re-init the system here, so allow the
application to take corrective action and reinit.

Signed-off-by: Aaron Conole <aconole@redhat.com>
Acked-by: Bruce Richardson <bruce.richardson@intel.com>
---
 lib/librte_eal/linuxapp/eal/eal.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)
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Patch

diff --git a/lib/librte_eal/linuxapp/eal/eal.c b/lib/librte_eal/linuxapp/eal/eal.c
index e1740a6..d5ef7b5 100644
--- a/lib/librte_eal/linuxapp/eal/eal.c
+++ b/lib/librte_eal/linuxapp/eal/eal.c
@@ -832,8 +832,12 @@  rte_eal_init(int argc, char **argv)
 		return -1;
 	}
 
-	if (rte_eal_pci_init() < 0)
-		rte_panic("Cannot init PCI\n");
+	if (rte_eal_pci_init() < 0) {
+		rte_eal_init_alert("Cannot init PCI\n");
+		rte_errno = EUNATCH;
+		rte_atomic32_clear(&run_once);
+		return -1;
+	}
 
 #ifdef VFIO_PRESENT
 	if (rte_eal_vfio_setup() < 0)