xen/pvcalls: implement release command

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Release both active and passive sockets. For active sockets, make sure
to avoid possible conflicts with the ioworker reading/writing to those
sockets concurrently. Set map->release to let the ioworker know
atomically that the socket will be released soon, then wait until the
ioworker finishes (flush_work).

Unmap indexes pages and data rings.

Signed-off-by: Stefano Stabellini <stefano@aporeto.com>
Reviewed-by: Juergen Gross <jgross@suse.com>
CC: boris.ostrovsky@oracle.com
CC: jgross@suse.com
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>

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Stefano Stabellini 2017-07-06 11:01:07 -07:00 • committed by Boris Ostrovsky

parent 3cf33a587d

commit a51729cb9b

1 changed files with 68 additions and 0 deletions

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drivers/xen/pvcalls-back.c

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