2cf9953bee
s390_virtio_hypercall can trigger IO events and interrupts, most notably when using virtio-ccw devices. Reviewed-by: Alexander Graf <agraf@suse.de> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Fixes: 278f5e98c647 ("s390x/misc_helper.c: wrap IO instructions in BQL") Signed-off-by: Alexander Graf <agraf@suse.de>