[issue993] ifq spinlock, if_start dispatch and push serializer holding down into if_output

[Sepherosa Ziehau]

Sepherosa Ziehau <sepherosa at gmail.com> added the comment:

committed

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priority:  -> feature
status: unread -> resolved

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DragonFly issue tracker <bugs at lists.dragonflybsd.org>
<https://bugs.dragonflybsd.org/issue993>
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