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SubjectRe: [PATCH v4 02/13] xen/pvcalls: implement frontend disconnect
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On 10/06/2017 01:51 PM, Stefano Stabellini wrote:
> On Wed, 20 Sep 2017, Boris Ostrovsky wrote:
>>> +
>>> +struct pvcalls_bedata {
>>> + struct xen_pvcalls_front_ring ring;
>>> + grant_ref_t ref;
>>> + int irq;
>>> +
>>> + struct list_head socket_mappings;
>>> + struct list_head socketpass_mappings;
>>> + spinlock_t socket_lock;
>>> +
>>> + wait_queue_head_t inflight_req;
>>> + struct xen_pvcalls_response rsp[PVCALLS_NR_REQ_PER_RING];
>>> +};
>>> +static struct xenbus_device *pvcalls_front_dev;
>>> +static atomic_t pvcalls_refcount;
>> Should the refcount be per back/frontend?
> Yes it is, but only one back/frontend connection is supported by the
> frontend. I can add a comment.

Since it's per backend connection --- shouldn't it be part of struct
pvcalls_bedata?

-boris


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