Hi

Why do we need the socket state (for the nework layer
representation of the sockets) to be
 volatile?
It is implemented as volatile unsigned  char skc_state in
struct sock_common .

I personally think this is done to prevent looking up the state on the
CPU registers. In other word, query is always directed toward physical
memory. Yes, it lowers the perfomance but maybe it is designed that
way so we won't get wrong socket state.

regards,

Mulyadi
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