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Open Source and information security mailing list archives
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Date: Fri, 20 Oct 2006 12:31:37 -0700 From: Stephen Hemminger <shemminger@...l.org> To: David Miller <davem@...emloft.net> Cc: netdev@...r.kernel.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH 2/3] netpoll: rework skb transmit queue On Fri, 20 Oct 2006 12:27:53 -0700 (PDT) David Miller <davem@...emloft.net> wrote: > From: Stephen Hemminger <shemminger@...l.org> > Date: Fri, 20 Oct 2006 08:40:15 -0700 > > > The only user of the drop hook was netconsole, and I fixed that path. > > This probably breaks netdump, but that is out of tree, so it needs > > to fix itself. > > I believe that netdump needs to requeue things because dropping the > packet is simply not allowed, and the ->drop callback gives the > netdump code a way to handle things without actually dropping the > packet. If that's true, you can't just free the SKB on it. > > Are you sure your new TX strategy can avoid such drops properly? Yes, it has a queue. if it can't send it waits and retries. > > Please take a quick peek at the netdump code, it's available, and make > some reasonable effort to determine whether it can still work with > your new code. Where, I'm not digging in side some RHEL rpm patch pile to find it. -- Stephen Hemminger <shemminger@...l.org> - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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