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: Thu, 5 Aug 2010 09:22:43 -0700 From: Stephen Hemminger <shemminger@...tta.com> To: Usha Srinivasan <usha.srinivasan@...gic.com> Cc: "netdev@...r.kernel.org" <netdev@...r.kernel.org> Subject: Re: Receive processing stops when dev->poll returns 1 On Thu, 5 Aug 2010 11:11:51 -0500 Usha Srinivasan <usha.srinivasan@...gic.com> wrote: > Thanks for your response. What you said is exactly what my driver is doing: > > > <= 2.6.23 > Calls netif_rx_complete if done < budget; decrements quota & *budget by done; returns 0 if done < budget and 1 otherwise. > > When 1 is returned, I encounter the problem I described) > > > 2.6.23 > Calls napi-complete if done < budget; returns done. > > When done==budget, I encounter the problem I described. > > Any ideas? Ignore last mail... If you done == budget, the poll will be recalled (after other drivers). If quantum exhausts, then it gets called it gets deferred to ksoftirq thread. One possibility is that the driver is looking at wrong parameter for budget and is exceeding the requested value. Please post your code. -- 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