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 for Android: free password hash cracker in your pocket
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <aa75d9b0-e643-4fbe-b2bd-1c85982752e0@email.android.com>
Date:	Thu, 12 Jun 2014 18:03:08 +0200
From:	Patrick McHardy <kaber@...sh.net>
To:	Florian Westphal <fw@...len.de>, netdev@...r.kernel.org
Subject: Re: [PATCH 1/1] net_sched: drr: warn when qdisc is not work conserving

On 11. Juni 2014 20:35:18 MESZ, Florian Westphal <fw@...len.de> wrote:
>The DRR scheduler requires that items on the active list are work
>conserving, i.e. do not hold on to skbs for throttling purposes, etc.
>Attaching e.g. tbf renders DRR useless because all other classes on the
>active list are delayed as well.
>
>So, warn users that this configuration won't work as expected; we
>already do this in couple of other qdiscs, see e.g.

Why don't prevent this during configuration time in the first place? It doesn't work, a warning might trigger long after creating the broken configuration and will more likely go unnoticed.

--
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

Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ