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authorPhilippe Mathieu-Daudé <philmd@linaro.org>2024-04-04 20:56:11 +0200
committerMichael Tokarev <mjt@tls.msk.ru>2024-04-10 19:17:04 +0300
commite070e5e6748e3217028fa21aa30bb51f862368c8 (patch)
treecbaab21ee39ce75f08409b000d2af0d4cca2ece5 /hw
parentd6e7ec1f8e9a38f55cfd2c581fa8e3afe05b0499 (diff)
hw/virtio: Introduce virtio_bh_new_guarded() helper
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> (cherry picked from commit ec0504b989ca61e03636384d3602b7bf07ffe4da) Signed-off-by: Michael Tokarev <mjt@tls.msk.ru> (Mjt: trivial #include context fixup in include/hw/virtio/virtio.h)
Diffstat (limited to 'hw')
-rw-r--r--hw/virtio/virtio.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/hw/virtio/virtio.c b/hw/virtio/virtio.c
index e4f8ed1e63..4a35d7cb0c 100644
--- a/hw/virtio/virtio.c
+++ b/hw/virtio/virtio.c
@@ -5029,3 +5029,13 @@ 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);
+}