hw/xen: take iothread mutex in xen_evtchn_reset_op()
The xen_evtchn_soft_reset() function requires the iothread mutex, but is
also called for the EVTCHNOP_reset hypercall. Ensure the mutex is taken
in that case.
Cc: qemu-stable@nongnu.org
Fixes: a15b10978f
("hw/xen: Implement EVTCHNOP_reset")
Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Reviewed-by: Paul Durrant <paul@xen.org>
(cherry picked from commit debc995e883b05c2fd02fb797a61ab1328e5bae2)
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
This commit is contained in:
parent
b644416ec6
commit
30a4cc2723
|
@ -1135,6 +1135,7 @@ int xen_evtchn_reset_op(struct evtchn_reset *reset)
|
|||
return -ESRCH;
|
||||
}
|
||||
|
||||
QEMU_IOTHREAD_LOCK_GUARD();
|
||||
return xen_evtchn_soft_reset();
|
||||
}
|
||||
|
||||
|
|
Loading…
Reference in a new issue