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* [dpdk-dev] [PATCH] vhost: initialize postcopy ufd properly
@ 2018-10-24  9:39 Tiwei Bie
  2018-10-24 10:20 ` Maxime Coquelin
  2018-10-24 10:51 ` Maxime Coquelin
  0 siblings, 2 replies; 3+ messages in thread
From: Tiwei Bie @ 2018-10-24  9:39 UTC (permalink / raw)
  To: maxime.coquelin, zhihong.wang, dev

Currently, postcopy_ufd is initialized to 0 implicitly, so fd 0
could be closed unexpectedly by vhost_backend_cleanup(). Fix this
issue by initializing postcopy_ufd to -1 explicitly.

Fixes: 9eefef3b5970 ("vhost: introduce postcopy advise message")

Signed-off-by: Tiwei Bie <tiwei.bie@intel.com>
---
 lib/librte_vhost/vhost.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/librte_vhost/vhost.c b/lib/librte_vhost/vhost.c
index 047ee535c..70ac6bc9c 100644
--- a/lib/librte_vhost/vhost.c
+++ b/lib/librte_vhost/vhost.c
@@ -344,6 +344,7 @@ vhost_new_device(void)
 	dev->flags = VIRTIO_DEV_BUILTIN_VIRTIO_NET;
 	dev->slave_req_fd = -1;
 	dev->vdpa_dev_id = -1;
+	dev->postcopy_ufd = -1;
 	rte_spinlock_init(&dev->slave_req_lock);
 
 	return i;
-- 
2.19.1

^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [dpdk-dev] [PATCH] vhost: initialize postcopy ufd properly
  2018-10-24  9:39 [dpdk-dev] [PATCH] vhost: initialize postcopy ufd properly Tiwei Bie
@ 2018-10-24 10:20 ` Maxime Coquelin
  2018-10-24 10:51 ` Maxime Coquelin
  1 sibling, 0 replies; 3+ messages in thread
From: Maxime Coquelin @ 2018-10-24 10:20 UTC (permalink / raw)
  To: Tiwei Bie, zhihong.wang, dev



On 10/24/18 11:39 AM, Tiwei Bie wrote:
> Currently, postcopy_ufd is initialized to 0 implicitly, so fd 0
> could be closed unexpectedly by vhost_backend_cleanup(). Fix this
> issue by initializing postcopy_ufd to -1 explicitly.
> 
> Fixes: 9eefef3b5970 ("vhost: introduce postcopy advise message")
> 
> Signed-off-by: Tiwei Bie <tiwei.bie@intel.com>
> ---
>   lib/librte_vhost/vhost.c | 1 +
>   1 file changed, 1 insertion(+)
> 
> diff --git a/lib/librte_vhost/vhost.c b/lib/librte_vhost/vhost.c
> index 047ee535c..70ac6bc9c 100644
> --- a/lib/librte_vhost/vhost.c
> +++ b/lib/librte_vhost/vhost.c
> @@ -344,6 +344,7 @@ vhost_new_device(void)
>   	dev->flags = VIRTIO_DEV_BUILTIN_VIRTIO_NET;
>   	dev->slave_req_fd = -1;
>   	dev->vdpa_dev_id = -1;
> +	dev->postcopy_ufd = -1;
>   	rte_spinlock_init(&dev->slave_req_lock);
>   
>   	return i;
> 

Reviewed-by: Maxime Coquelin <maxime.coquelin@redhat.com>

Thanks!
Maxime

^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [dpdk-dev] [PATCH] vhost: initialize postcopy ufd properly
  2018-10-24  9:39 [dpdk-dev] [PATCH] vhost: initialize postcopy ufd properly Tiwei Bie
  2018-10-24 10:20 ` Maxime Coquelin
@ 2018-10-24 10:51 ` Maxime Coquelin
  1 sibling, 0 replies; 3+ messages in thread
From: Maxime Coquelin @ 2018-10-24 10:51 UTC (permalink / raw)
  To: Tiwei Bie, zhihong.wang, dev



On 10/24/18 11:39 AM, Tiwei Bie wrote:
> Currently, postcopy_ufd is initialized to 0 implicitly, so fd 0
> could be closed unexpectedly by vhost_backend_cleanup(). Fix this
> issue by initializing postcopy_ufd to -1 explicitly.
> 
> Fixes: 9eefef3b5970 ("vhost: introduce postcopy advise message")
> 
> Signed-off-by: Tiwei Bie <tiwei.bie@intel.com>
> ---
>   lib/librte_vhost/vhost.c | 1 +
>   1 file changed, 1 insertion(+)
> 
> diff --git a/lib/librte_vhost/vhost.c b/lib/librte_vhost/vhost.c
> index 047ee535c..70ac6bc9c 100644
> --- a/lib/librte_vhost/vhost.c
> +++ b/lib/librte_vhost/vhost.c
> @@ -344,6 +344,7 @@ vhost_new_device(void)
>   	dev->flags = VIRTIO_DEV_BUILTIN_VIRTIO_NET;
>   	dev->slave_req_fd = -1;
>   	dev->vdpa_dev_id = -1;
> +	dev->postcopy_ufd = -1;
>   	rte_spinlock_init(&dev->slave_req_lock);
>   
>   	return i;
> 

Applied to dpdk-next-virtio/master.

Thanks,
Maxime

^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2018-10-24 10:51 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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2018-10-24  9:39 [dpdk-dev] [PATCH] vhost: initialize postcopy ufd properly Tiwei Bie
2018-10-24 10:20 ` Maxime Coquelin
2018-10-24 10:51 ` Maxime Coquelin

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