netdev - Re: [PATCH 2/3][NET_BATCH] net core use batching

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Tue, 09 Oct 2007 13:14:38 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	jeff@...zik.org
Cc:	krkumar2@...ibm.com, gaagaan@...il.com,
	general@...ts.openfabrics.org, hadi@...erus.ca,
	herbert@...dor.apana.org.au, jagana@...ibm.com,
	johnpol@....mipt.ru, kaber@...sh.net, mcarlson@...adcom.com,
	mchan@...adcom.com, netdev@...r.kernel.org,
	peter.p.waskiewicz.jr@...el.com, randy.dunlap@...cle.com,
	rdreier@...co.com, rick.jones2@...com, Robert.Olsson@...a.slu.se,
	shemminger@...ux-foundation.org, sri@...ibm.com, tgraf@...g.ch,
	xma@...ibm.com
Subject: Re: [PATCH 2/3][NET_BATCH] net core use batching

From: Jeff Garzik <jeff@...zik.org>
Date: Tue, 09 Oct 2007 08:44:25 -0400

> David Miller wrote:
> > From: Krishna Kumar2 <krkumar2@...ibm.com>
> > Date: Tue, 9 Oct 2007 16:51:14 +0530
> > 
> >> David Miller <davem@...emloft.net> wrote on 10/09/2007 04:32:55 PM:
> >>
> >>> Ignore LLTX, it sucks, it was a big mistake, and we will get rid of
> >>> it.
> >> Great, this will make life easy. Any idea how long that would take?
> >> It seems simple enough to do.
> > 
> > I'd say we can probably try to get rid of it in 2.6.25, this is
> > assuming we get driver authors to cooperate and do the conversions
> > or alternatively some other motivated person.
> > 
> > I can just threaten to do them all and that should get the driver
> > maintainers going :-)
> 
> What, like this?  :)

Thanks, but it's probably going to need some corrections and/or
an audit.

If you unconditionally take those locks in the transmit function,
there is probably an ABBA deadlock elsewhere in the driver now, most
likely in the TX reclaim processing, and you therefore need to handle
that too.
-
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html