Re: [PATCH 2/2] Added leon3_dma_ops and LEON specific mmu_inval_dma_area

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From: Kristoffer Glembo <kristoffer@xxxxxxxxxxx>
Date: Tue, 12 Jan 2010 11:35:59 +0100

> I was using CONFIG_SLAB without noticing any problems.
> 
> But I'm a bit confused. Doesn't this patch generate the exact same code?
> Now __pa will add in phys_base but pfn_to_page(__pa()>>PAGE_SHIFT)
> will remove it by subtracting ARCH_PFN_OFFSET.
 ...
> For me it still fails if I'm not adding phys_base in page_to_phys.

Indeed.

Ok, let me think about this some more.

Thanks for testing and looking at this.
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