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The current vsock code for removal of socket from the list is both subject to race and inefficient. It takes the lock, checks whether the socket is in the list, drops the lock and if the socket was on the list, deletes it from the list. This is subject to race because as soon as the lock is dropped once it is checked for presence, that condition cannot be relied upon for any decision. It is also

The current vsock code for removal of socket from the list is both subject to race and inefficient. It takes the lock, checks whether the socket is in the list, drops the lock and if the socket was on the list, deletes it from the list. This is subject to race because as soon as the lock is dropped once it is checked for presence, that condition cannot be relied upon for any decision. It is also