Re: [discuss] Re: x86_64: 2.6.14-rc4 swiotlb broken
From: Alex Williamson
Date: Wed Oct 19 2005 - 09:20:31 EST
On Wed, 2005-10-19 at 21:47 +0900, Yasunori Goto wrote:
> How is this patch? This is another way.
> I think that true issue is there is no way for requester to
> specify maxmum address at __alloc_bootmem_core().
> "goal" is just to keep space lower address as much as possible.
> and __alloc_bootmem_core() doesn't care about max address for requester.
> I suppose it is a bit strange. The swiotlb's case is good example
> by it.
> So, I made a patch that __alloc_bootmem_core() cares it.
This works on the Superdome. The swiotlb is shown as:
Placing software IO TLB between 0x4d48000 - 0x8d48000
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