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From: Jerome Jutteau <jerome.jutteau@outscale.com>
To: dev@dpdk.org
Cc: changchun.ouyang@intel.com
Subject: [dpdk-dev] [PATCH 1/3] vhost: avoid device identifier to be reset to 0 in reset_owner
Date: Fri, 16 Oct 2015 11:08:48 +0200	[thread overview]
Message-ID: <1444986530-20893-2-git-send-email-jerome.jutteau@outscale.com> (raw)
In-Reply-To: <1444986530-20893-1-git-send-email-jerome.jutteau@outscale.com>

virtio-net clean and init device after a VHOST_USER_RESET_OWNER.
This reset device identifier to 0 and break ll_root listing logic.
This patch keep the old device identifier and re-write it on the cleaned
device.

Signed-off-by: Jerome Jutteau <jerome.jutteau@outscale.com>
---
 lib/librte_vhost/virtio-net.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/librte_vhost/virtio-net.c b/lib/librte_vhost/virtio-net.c
index d0f1764..955a29d 100644
--- a/lib/librte_vhost/virtio-net.c
+++ b/lib/librte_vhost/virtio-net.c
@@ -399,11 +399,14 @@ static int
 reset_owner(struct vhost_device_ctx ctx)
 {
 	struct virtio_net_config_ll *ll_dev;
+	uint64_t device_fh;
 
 	ll_dev = get_config_ll_entry(ctx);
+	device_fh = ll_dev->dev.device_fh;
 
 	cleanup_device(&ll_dev->dev);
 	init_device(&ll_dev->dev);
+	ll_dev->dev.device_fh = device_fh;
 
 	return 0;
 }
-- 
jerome

  reply	other threads:[~2015-10-16  9:09 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-10-16  9:08 [dpdk-dev] [PATCH 0/3] vhost: Fix virtio-net on VHOST_USER_RESET_OWNER Jerome Jutteau
2015-10-16  9:08 ` Jerome Jutteau [this message]
2015-10-16  9:08 ` [dpdk-dev] [PATCH 2/3] vhost: check that a device exists during reset_owner Jerome Jutteau
2015-10-19  4:35   ` Yuanhan Liu
2015-10-19  9:42     ` Jérôme Jutteau
2015-10-16  9:08 ` [dpdk-dev] [PATCH 3/3] vhost: protect user_get_vring_base from unknown devices Jerome Jutteau

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