netdev - Re: [PATCH net 2/2] sfc: limit ARFS workitems in flight per channel

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 for Android: free password hash cracker in your pocket

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

Message-ID: <b8d75e21-09ab-7e16-5ce1-5cb858a1203b@solarflare.com>
Date:   Fri, 13 Apr 2018 17:24:10 +0100
From:   Edward Cree <ecree@...arflare.com>
To:     David Miller <davem@...emloft.net>
CC:     <linux-net-drivers@...arflare.com>, <netdev@...r.kernel.org>
Subject: Re: [PATCH net 2/2] sfc: limit ARFS workitems in flight per channel

On 13/04/18 17:14, David Miller wrote:
> Is the issue that you learn about the hardware reset asynchronously,
> and therefore cannot determine if filter insertion programming
> happened afterwards and thus is still in the chip?
Yes, pretty much.

> You must have a table of all the entries, so that you can reprogram
> the hardware should it reset.
Yes, we do have such a table; 'reprogram the hardware' happens in
 efx_ef10_filter_table_restore().

> Understood, thanks for explaining.
>
> Please respin your series with the updates you talked about and I'll
> apply it.
Will do, thanks.

-Ed