On Sun, Feb 07, 2021 at 05:09:28PM +0100, Christoph Hellwig wrote:
> Use the is_swiotlb_buffer to check if a physical address is
> a swiotlb buffer. This works because xen-swiotlb does use the
> same buffer as the main swiotlb code, and xen_io_tlb_{start,end}
> are just the addresses for it that
Use the is_swiotlb_buffer to check if a physical address is
a swiotlb buffer. This works because xen-swiotlb does use the
same buffer as the main swiotlb code, and xen_io_tlb_{start,end}
are just the addresses for it that went through phys_to_virt.
Signed-off-by: Christoph Hellwig
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