Re: [PATCH] quirks: Flag up and handle the AMD 8151 Errata #24

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On Tuesday 12 September 2006 19:13, Alan Cox wrote:
> Ar Maw, 2006-09-12 am 17:10 +0200, ysgrifennodd Andi Kleen:
> > On Tuesday 12 September 2006 18:29, Alan Cox wrote:
> > > AMD states the following
> > >
> > > "Some PCI cards generate peer-to-peer posted-write traffic targetting
> > > the AGP bridge (from the PCI bus, through the graphics tunnel to the
> > > AGP bus). The combination of such cards and some AGP cards can generate
> > > traffic patters that result in a system deadlock."
> >
> > Hmm, you add all that code just to trigger printks? Looks like overkill
> > to me.
>
> Firstly it's important users get the correct messages about hardware
> problems and don't just assume Linux sucks. 

If the system really locks up afterwards they will likely never see it though? 

I just don't think the printk will that useful and if it locks up people will
blame Linux anyways even with printk.

> And "all that code" is a single quirk (which I think can be __init as
> you can't get a hotplug bridge) and updated logic checks which my gcc
> generates the same amount of code for as it did previously.
>
> All what code ?

Well it was a large change.

-Andi
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