Re: [PATCH] pci: disable MSI on VIA K8M800

[David Miller]

From: Tejun Heo <tj@xxxxxxxxxx>
Date: Sun, 23 May 2010 10:22:55 +0200

> MSI delivery from on-board ahci controller doesn't work on K8M800.  At
> this point, it's unclear whether the culprit is with the ahci
> controller or the host bridge.  Given the track record and considering
> the rather minimal impact of MSI, disabling it seems reasonable.
> 
> Signed-off-by: Tejun Heo <tj@xxxxxxxxxx>
> Reported-by: Rainer Hurtado Navarro <publio.escipion.el.africano@xxxxxxxxx>
> Cc: stable@xxxxxxxxxx
> ---
> Maybe we should whitelist working ones from via rather than the other
> way around.  :-(

Correctness first, of course, but saying the impact of MSI is minimal
ignores the fact that no hardware multiqueue networking at all is
possible without it. :-)

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