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hw/virtio: Introduce virtio_bh_new_guarded() helper

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Introduce virtio_bh_new_guarded(), similar to qemu_bh_new_guarded()
but using the transport memory guard, instead of the device one
(there can only be one virtio device per virtio bus).

Inspired-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Message-Id: <20240409105537.18308-2-philmd@linaro.org>
This commit is contained in:
Philippe Mathieu-Daudé 2024-04-04 20:56:11 +02:00
parent 927284d65b
commit ec0504b989
2 changed files with 17 additions and 0 deletions
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10
hw/virtio/virtio.c
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@ -4145,3 +4145,13 @@ static void virtio_register_types(void)
}
type_init(virtio_register_types)
QEMUBH *virtio_bh_new_guarded_full(DeviceState *dev,
QEMUBHFunc *cb, void *opaque,
const char *name)
{
DeviceState *transport = qdev_get_parent_bus(dev)->parent;
return qemu_bh_new_full(cb, opaque, name,
&transport->mem_reentrancy_guard);
}