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, 11 May 2007 07:30:02 -0400 From: jamal <hadi@...erus.ca> To: Evgeniy Polyakov <johnpol@....mipt.ru> Cc: Krishna Kumar2 <krkumar2@...ibm.com>, Ian McDonald <ian.mcdonald@...di.co.nz>, netdev@...r.kernel.org, Rick Jones <rick.jones2@...com>, Vlad Yasevich <vladislav.yasevich@...com> Subject: Re: [RFC] New driver API to speed up small packets xmits On Fri, 2007-11-05 at 13:56 +0400, Evgeniy Polyakov wrote: > I meant no locks during processing of the packets (pci read/write, dma > setup and so on), of course it is needed to dequeue a packet, but only > for that operation. I dont think you can avoid the lock Evgeniy. You need to protect against the tx ring having some other things happening to it from the napi poll or netdev interupts (most of the drivers touch the tx ring on the napi poll). cheers, jamal - 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