Re: Kernel WARNING: at net/core/dev.c:1330__netif_schedule+0x2c/0x98()
From: David Miller
Date: Wed Jul 23 2008 - 16:55:44 EST
From: Jarek Poplawski <jarkao2@xxxxxxxxx>
Date: Wed, 23 Jul 2008 22:43:35 +0200
> On Wed, Jul 23, 2008 at 01:16:07PM -0700, David Miller wrote:
> > There will always be a need for a "stop all the TX queues" operation.
> The question is if the current way is "all correct". As a matter of
> fact I think Peter's doubts could be justified: taking "USHORT_MAX"
> locks looks really dubious (so maybe it's not so strange lockdep
> didn't get used to this).
There are, of course, potentially other ways to achieve the objective.
And for non-multiqueue aware devices (which is the vast majority of
the 400 or so networking drivers we have) there is only one queue and
thus one lock taken.
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