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  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]
Date:   Tue, 8 Sep 2020 11:34:26 -0700
From:   Jakub Kicinski <kuba@...nel.org>
To:     Björn Töpel <bjorn.topel@...el.com>
Cc:     Jesper Dangaard Brouer <brouer@...hat.com>,
        Björn Töpel 
        <bjorn.topel@...il.com>, Eric Dumazet <eric.dumazet@...il.com>,
        ast@...nel.org, daniel@...earbox.net, netdev@...r.kernel.org,
        bpf@...r.kernel.org, magnus.karlsson@...el.com,
        davem@...emloft.net, john.fastabend@...il.com,
        intel-wired-lan@...ts.osuosl.org
Subject: Re: [PATCH bpf-next 0/6] xsk: exit NAPI loop when AF_XDP Rx ring is
 full

On Tue, 8 Sep 2020 20:28:14 +0200 Björn Töpel wrote:
> On 2020-09-08 19:24, Jakub Kicinski wrote:
> >> I'll start playing around a bit, but again, I think this simple series
> >> should go in just to make AF_XDP single core usable*today*.  
> > No objection from me.  
> 
> Thanks Jakub, but as you (probably) noticed in the other thread Maxim 
> had some valid concerns. Let's drop this for now, and I'll get back 
> after some experimentation/hacking.

Yeah, I sort of assumed you got the wake-up problem down :S

If it gets complicated it may not be worth pursuing this optimization.

Powered by blists - more mailing lists