On Fri, Nov 10, 2006 at 09:35:37AM +1100, Benjamin Herrenschmidt wrote:
> On Thu, 2006-11-09 at 17:04 +0100, Cornelia Huck wrote:
> > On Thu, 09 Nov 2006 11:45:21 +1100,
> > Benjamin Herrenschmidt <[email protected]> wrote:
> >
> > > - Add a dev_sysdata structure to struct device whose content is arch
> > > specific. It will allow architectures like powerpc, arm, i386, ... who
> > > need different types of DMA ops for busses and other kind of auxilliary
> > > data for devices in general (numa node id, firmware data, etc...) to put
> > > them in there, without bloating all architectures. The patch adds an
> > > empty definition for the structure to all architectures.
> >
> > I like this. If we could move the dma stuff in there, we could get rid
> > of it on s390 where it is just bloat we drag around...
> >
> > (Maybe dev_archdata would be a better name, since the definition is
> > architecture specific?)
>
> Hrm... I wonder why I posted from my IBM address :-) I have no firm
> preference on the name of the structure. So far, I had no feedback on
> that patch at all appart from yours though.
>
> Andrew, Greg ? Is that something you would take for 2.6.20 ? I need to
> know wether I should rework my patches to use that or stick to my hacks
> involving hijacking firmware_data.
Sorry, I'm in Japan this week, and access to email is limited.
I like this change, but I like the dev_archdata name better. It lets
people know who owns the pointer much better.
Care to respin these patches with this change?
And yes, I don't see a problem with such a change like this for 2.6.20,
it's pretty simple.
thanks,
greg k-h
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