Re: [PATCH] Missing critical phys_to_virt in lib/swiotlb.c

[Stefan Richter]

I wrote:
> Unfortunately an author of lib/swiotlb.c chose to call many variables
> holding *virtual* addresses "dma_addr". Note how that file at the same
> time contains variables like "dma_addr_t dma_handle".

And there is even one occurrence of a "dma_addr" holding a physical
address/ bus address, unlike the other dma_addr's:
int
swiotlb_dma_mapping_error(dma_addr_t dma_addr)
{
	return (dma_addr == virt_to_phys(io_tlb_overflow_buffer));
}
-- 
Stefan Richter
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http://arcgraph.de/sr/
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