Messages in this thread | | | Date | Fri, 04 Apr 2014 11:26:28 -0400 (EDT) | Subject | Re: [PATCH] net: sched: dev_deactivate_many(): use msleep(1) instead of yield() to wait for outstanding qdisc_run callsb | From | David Miller <> |
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From: Peter Zijlstra <peterz@infradead.org> Date: Fri, 4 Apr 2014 17:19:42 +0200
> The proper way to fix the dev_deactivate_many() is to use wait_event(), > polling for that state is just daft. Afaict there is no reason the qdisc > code could not do a wakeup whenever that condition changes.
I actually looked into this, and it's going to add expensive checks to the fast paths of packet processing.
If it was so easy we'd be doing it that way already.
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