s390_virtio_hypercall can trigger IO events and interrupts, most notably
when using virtio-ccw devices.
Reviewed-by: NAlexander Graf <agraf@suse.de>
Signed-off-by: NAurelien Jarno <aurelien@aurel32.net>
Reviewed-by: NPhilippe Mathieu-Daudé <f4bug@amsat.org>
Fixes: 278f5e98 ("s390x/misc_helper.c: wrap IO instructions in BQL")
Signed-off-by: NAlexander Graf <agraf@suse.de>