pvcalls-front: introduce a per sock_mapping refcount

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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@aporeto.com>
Acked-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Juergen Gross <jgross@suse.com>

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Stefano Stabellini 2018-02-14 10:28:23 -08:00 • committed by Juergen Gross

parent 63e708f826

commit 64d6871827

1 changed files with 79 additions and 112 deletions

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drivers/xen/pvcalls-front.c

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