netdev - Re: sungem triggers NAPI warning

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: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <1203599125.4427.0.camel@johannes.berg>
Date:	Thu, 21 Feb 2008 14:05:25 +0100
From:	Johannes Berg <johannes@...solutions.net>
To:	benh@...nel.crashing.org
Cc:	netdev@...r.kernel.org
Subject: Re: sungem triggers NAPI warning


On Thu, 2008-02-21 at 13:54 +1100, Benjamin Herrenschmidt wrote:
> On Tue, 2008-02-19 at 22:38 +0100, Johannes Berg wrote:
> > I started getting this warning with recent kernels:
> 
> Do that help ?
> 
> In gem_poll(), do:
> 
> -  work_done += gem_rx(gp, budget);
> +  work_done += gem_rx(gp, budget - work_done);

That looks correct, but I haven't been able to trigger the warning again
even with similar workloads so I haven't tested this change because I
can't even reproduce without it.

johannes

Download attachment "signature.asc" of type "application/pgp-signature" (829 bytes)