Messages in this thread | | | From | Andi Kleen <> | Subject | Re: remote debugging via FireWire | Date | Mon, 12 Feb 2007 07:49:54 +0100 |
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On Sunday 11 February 2007 22:35, Benjamin Herrenschmidt wrote:
> I'd like to have that on ppc as well, so I'd rather keep it in drivers/
This will need some abstraction at least -- there are some early mapping hacks that are x86 specific right now.
> I agree that it doesn't need to be a module. If you can load modules, > then you can load the full ohci driver. Thus, if it's an early thingy > initialized by arch, it can export a special "takeover" hook that the > proper ohci module can then call to override it (important if we start > having an irq handler). > > Andi, also, how do you deal with iommu ? Not at all ? :-)
Yes -- it's really early debugging hack mostly. It's reasonable to let the iommu be disabled (or later a special bypass can be added for this)
-Andi
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