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: Fri, 22 Jul 2016 12:14:51 +0200 From: khalasa@...p.pl (Krzysztof HaĆasa) To: "Lino Sanfilippo" <LinoSanfilippo@....de> Cc: netdev@...r.kernel.org, linux-kernel@...r.kernel.org Subject: Re: Aw: BUG: Wrong dma queue handling in ixp4 driver Hi Lino, "Lino Sanfilippo" <LinoSanfilippo@....de> writes: >> maybe I miss something, but the ixp4 ethernet driver seems to handle dma pools >> in a wrong way: In init_queues() it creates a dma pool for descriptors and then >> only allocates a single descriptor from this pool. The author seems to assume the whole >> table has been allocated already, since after that the complete pool size is zeroed: >> > > Sorry, I indeed missed something. The allocation is correct. A pool is not required, though, > since only one chunk is allocated. Not really: there is one pool for all ports, but each port uses a separate desc_tab (allocated from that pool). -- Krzysztof Halasa Industrial Research Institute for Automation and Measurements PIAP Al. Jerozolimskie 202, 02-486 Warsaw, Poland
Powered by blists - more mailing lists