[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [PULL 6/7] hw/xen: take iothread mutex in xen_evtchn_reset_op()
From: David Woodhouse <dwmw@xxxxxxxxxxxx> 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@xxxxxxxxxx Fixes: a15b10978fe6 ("hw/xen: Implement EVTCHNOP_reset") Signed-off-by: David Woodhouse <dwmw@xxxxxxxxxxxx> Reviewed-by: Paul Durrant <paul@xxxxxxx> --- hw/i386/kvm/xen_evtchn.c | 1 + 1 file changed, 1 insertion(+) diff --git a/hw/i386/kvm/xen_evtchn.c b/hw/i386/kvm/xen_evtchn.c index 3d6f4b4a0a..b2b4be9983 100644 --- a/hw/i386/kvm/xen_evtchn.c +++ b/hw/i386/kvm/xen_evtchn.c @@ -1135,6 +1135,7 @@ int xen_evtchn_reset_op(struct evtchn_reset *reset) return -ESRCH; } + QEMU_IOTHREAD_LOCK_GUARD(); return xen_evtchn_soft_reset(); } -- 2.41.0
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