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Re: [Xen-devel] [PATCH v3 1/2] pvcalls-front: introduce a per sock_mapping refcount

To: Stefano Stabellini <sstabellini@xxxxxxxxxx>, boris.ostrovsky@xxxxxxxxxx
From: Juergen Gross <jgross@xxxxxxxx>
Date: Thu, 15 Feb 2018 10:49:26 +0100
Cc: Stefano Stabellini <stefano@xxxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx
Delivery-date: Thu, 15 Feb 2018 09:49:49 +0000
List-id: Xen developer discussion <xen-devel.lists.xenproject.org>

On 14/02/18 19:28, Stefano Stabellini wrote:
> Introduce a per sock_mapping refcount, in addition to the existing
> global refcount. Thanks to the sock_mapping refcount, we can safely wait
> for it to be 1 in pvcalls_front_release before freeing an active socket,
> instead of waiting for the global refcount to be 1.
> 
> Signed-off-by: Stefano Stabellini <stefano@xxxxxxxxxxx>

Acked-by: Juergen Gross <jgross@xxxxxxxx>


Juergen

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References:
- [Xen-devel] [PATCH v3 0/2] pvcalls-front improvements
  - From: Stefano Stabellini
- [Xen-devel] [PATCH v3 1/2] pvcalls-front: introduce a per sock_mapping refcount
  - From: Stefano Stabellini

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