virtio: console: Ensure only one process can have a port open at a time
Add a guest_connected field that ensures only one process can have a port open at a time. This also ensures we don't have a race when we later add support for dropping buffers when closing the char dev and buffer caching is turned off for the particular port. Signed-off-by:Amit Shah <amit.shah@redhat.com> Signed-off-by:
Rusty Russell <rusty@rustcorp.com.au>
parent
2030fa49
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