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ceec4c3816
This is the final step in RCU conversion. Things that are removed: - svc->usecnt: now svc is accessed under RCU read lock - svc->inc: and some unused code - ip_vs_bind_pe and ip_vs_unbind_pe: no ability to replace PE - __ip_vs_svc_lock: replaced with RCU - IP_VS_WAIT_WHILE: now readers lookup svcs and dests under RCU and work in parallel with configuration Other changes: - before now, a RCU read-side critical section included the calling of the schedule method, now it is extended to include service lookup - ip_vs_svc_table and ip_vs_svc_fwm_table are now using hlist - svc->pe and svc->scheduler remain to the end (of grace period), the schedulers are prepared for such RCU readers even after done_service is called but they need to use synchronize_rcu because last ip_vs_scheduler_put can happen while RCU read-side critical sections use an outdated svc->scheduler pointer - as planned, update_service is removed - empty services can be freed immediately after grace period. If dests were present, the services are freed from the dest trash code Signed-off-by: Julian Anastasov <ja@ssi.bg> Signed-off-by: Simon Horman <horms@verge.net.au> |
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| linux | ||
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| media | ||
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| misc | ||
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| Kbuild | ||