On Fri, Sep 22, 2017 at 05:05:32AM +0000, Ryota Ozaki wrote:
> Module Name:  src
> Committed By: ozaki-r
> Date:         Fri Sep 22 05:05:32 UTC 2017
> Modified Files:
>       src/sys/net: route.c
> Log Message:
> Remove the global lock for rtcache
> Thanks to removal of LIST_ENTRY of struct route, rtcaches are accessed only by
> their users. And in existing usages a rtcache is guranteed to be not accessed
> simultaneously. So the rtcache framework doesn't need any exclusion controls
> in itself.

I'm a bit suspicous about this since the generation counter is not
atomic. So what guarantees that route manipulations of different
subsystems don't race?


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