From: David Miller <davem@davemloft.net>
To: peter.p.waskiewicz.jr@intel.com
Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
christopher.leech@intel.com
Subject: Re: [PATCH 0/2] NET: Multiple queue network device support REPOST
Date: Thu, 08 Mar 2007 23:11:42 -0800 (PST) [thread overview]
Message-ID: <20070308.231142.74749203.davem@davemloft.net> (raw)
In-Reply-To: <D5C1322C3E673F459512FB59E0DDC329026E981A@orsmsx414.amr.corp.intel.com>
From: "Waskiewicz Jr, Peter P" <peter.p.waskiewicz.jr@intel.com>
Date: Thu, 8 Mar 2007 22:42:19 -0800
> This was taken into consideration, and I did reply that my concern for
> doing that could cause stale data in the skb if the queue mapping
> changed.
This is not a problem.
Since the ->enqueue function stores references to the SKBs,
any change of the dev->qdisc has to flush those references
somehow, and it is at that point that you can fixup the
skb queue mappings.
This happens via invoking the qdisc->ops->reset() method.
next prev parent reply other threads:[~2007-03-09 7:11 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1173420779298-git-send-email-peter.p.waskiewicz.jr@intel.com>
2007-03-09 6:21 ` David Miller
2007-03-09 6:42 ` Waskiewicz Jr, Peter P
2007-03-09 7:11 ` David Miller [this message]
2007-03-09 7:16 ` Waskiewicz Jr, Peter P
2007-03-09 7:26 ` David Miller
2007-03-09 6:45 ` Kok, Auke
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