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
| ||
|
Date: Mon, 15 Sep 2008 06:07:58 +0000 From: Jarek Poplawski <jarkao2@...il.com> To: Herbert Xu <herbert@...dor.apana.org.au> Cc: Alexander Duyck <alexander.duyck@...il.com>, David Miller <davem@...emloft.net>, netdev@...r.kernel.org, kaber@...sh.net Subject: Re: [PATCH take 2] pkt_sched: Fix qdisc_watchdog() vs. dev_deactivate() race On Sun, Sep 14, 2008 at 03:13:41PM -0700, Herbert Xu wrote: > On Sun, Sep 14, 2008 at 11:43:31PM +0200, Jarek Poplawski wrote: > > > > On the other hand, I wondered about a possibility of rehashing to other > > queues in some cases during requeuing, which would be impossible after > > such change. > > Why would you want to do that? Just because people have abused > requeue in the psat doesn't mean that we need to support such > abuses for perpetuity. Well, it was only wondering, and probably you are right this is wrong. On the other hand, simple_tx_hash() choices are "probabilistic": user doesn't care if it goes through tx_queue #1 or #11. And here, in some cases, some tx_queues could be always full while other always empty, so some dynamic rehashing could be thought of, but I understand it's not trivial. Cheers, Jarek P. -- 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