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yintao 38af7001b6 drivers/rpmsg: fix the race condtion about rpmsg_device_created

xxx_rpmsg_device_created may be called repeatedly.

rptun thread				app thread

rptun_dev_start				xxx_rpmsg_init

...					rpmsg_register_callback
priv->...= rpmsg_ns_unbind;
priv->..= rptun_notify_wait;
					if (ns_unbind_cb)
(switch app thread)				device_created()
						xxx_rpmsg_device_created

					metal_list_add_tail(g_cb);
...
rpmsg_device_created();
	cb->device_created
	xxx_rpmsg_device_created;

Signed-off-by: yintao <yintao@xiaomi.com>

2024-09-14 17:34:52 +08:00

CMakeLists.txt

rpmsg/CMakeLists.txt: add rpmsg_virtio_ivshmem.c in this file

2024-09-14 17:34:52 +08:00

Kconfig

rpmsg_virtio_ivshmem.c: rpmsg virtio ivshmem msix interrupt support

2024-09-14 17:34:52 +08:00

Make.defs

rpmsg/rpmsg_virtio_ivshmem: add rpmsg virtio ivshmem support

2024-09-14 17:34:52 +08:00

rpmsg_ping.c

rpmsg_ping:only sleep when ping->sleep is larger than 0