netdev - Re: [PATCH 1/2] ibm_newemac: Add Support for MAL Interrupt Coalescing

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: <49c0ff980909211728s2d39e356p6900d047c6918826@mail.gmail.com>
Date:	Mon, 21 Sep 2009 17:28:35 -0700
From:	prodyut hazarika <prodyuth@...il.com>
To:	Benjamin Herrenschmidt <benh@...nel.crashing.org>
Cc:	Prodyut Hazarika <phazarika@...c.com>, netdev@...r.kernel.org,
	Feng Kan <fkan@...c.com>, Loc Ho <lho@...c.com>,
	Victor Gallardo <vgallardo@...c.com>,
	bhutchings@...arflare.com, linuxppc-dev@...ts.ozlabs.org,
	davem@...emloft.net, jwboyer@...ux.vnet.ibm.com,
	lada.podivin@...il.com
Subject: Re: [PATCH 1/2] ibm_newemac: Add Support for MAL Interrupt Coalescing

Hi Ben,

>
> BTW. If you guys are ever going to do another change to MAL, please
> please plase, add the -one- major missing feature that's causing all the
> pain and complication in the current design: Add a per-channel interrupt
> masking option.
>
> The lack of ability to mask the interrupt per MAL channel is what forces
> us to create that fake netdev structure in order to share the napi
> device instance between all the EMACs in the system. This is very
> inefficient too. We would be able to make things run a lot smoother if
> we could just have a napi instance per EMAC, but for that, we need
> per-channel interrupt masking.
>

I will add a patch for the above as soon as I am done incorporating
your comments on the MAL coalescing support.

Thanks
Prodyut
--
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