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* [dpdk-dev] [PATCH 1/2] ixgbe: fix vfio ioctl SET_IRQS error
@ 2015-11-13  2:50 Cunming Liang
  2015-11-13  2:50 ` [dpdk-dev] [PATCH 2/2] igb: " Cunming Liang
  2015-11-13  6:08 ` [dpdk-dev] [PATCH 1/2] ixgbe: " Liu, Yong
  0 siblings, 2 replies; 6+ messages in thread
From: Cunming Liang @ 2015-11-13  2:50 UTC (permalink / raw)
  To: dev

The vector number may change during 'dev_start'. Before enabling a new vector mapping,
it's necessary to disable/unmap the previous setting.

Fixes: 7ab8500037f6 ("ixgbe: fix VF start with PF stopped")

Reported-by: Yong Liu <yong.liu@intel.com>
Signed-off-by: Cunming Liang <cunming.liang@intel.com>
---
 drivers/net/ixgbe/ixgbe_ethdev.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/net/ixgbe/ixgbe_ethdev.c b/drivers/net/ixgbe/ixgbe_ethdev.c
index 19ddb52..c2be264 100644
--- a/drivers/net/ixgbe/ixgbe_ethdev.c
+++ b/drivers/net/ixgbe/ixgbe_ethdev.c
@@ -1976,6 +1976,9 @@ ixgbe_dev_start(struct rte_eth_dev *dev)
 		return -EINVAL;
 	}
 
+	/* disable uio/vfio intr/eventfd mapping */
+	rte_intr_disable(intr_handle);
+
 	/* stop adapter */
 	hw->adapter_stopped = 0;
 	ixgbe_stop_adapter(hw);
-- 
2.4.3

^ permalink raw reply	[flat|nested] 6+ messages in thread

end of thread, other threads:[~2015-11-24 13:40 UTC | newest]

Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2015-11-13  2:50 [dpdk-dev] [PATCH 1/2] ixgbe: fix vfio ioctl SET_IRQS error Cunming Liang
2015-11-13  2:50 ` [dpdk-dev] [PATCH 2/2] igb: " Cunming Liang
2015-11-17  2:31   ` Lu, Wenzhuo
2015-11-24 13:39     ` Thomas Monjalon
2015-11-13  6:08 ` [dpdk-dev] [PATCH 1/2] ixgbe: " Liu, Yong
2015-11-17  2:32   ` Lu, Wenzhuo

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