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Karsten Graul authored
There might be races in scenarios where both SMC link groups are on the same system. Prevent that by creating separate wait queues for LLC flows and messages. Switch to non-interruptable versions of wait_event() and wake_up() for the llc flow waiter to make sure the waiters get control sequentially. Fine tune the llc_flow_lock to include the assignment of the message. Write to system log when an unexpected message was dropped. And remove an extra indirection and use the existing local variable lgr in smc_llc_enqueue(). Fixes: 555da9af ("net/smc: add event-based llc_flow framework") Reviewed-by:
Ursula Braun <ubraun@linux.ibm.com> Signed-off-by:
Karsten Graul <kgraul@linux.ibm.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
6778a6be