xen-swiotlb: use is_swiotlb_buffer in is_xen_swiotlb_buffer

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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 <hch@lst.de>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>

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Christoph Hellwig 2021-03-01 08:44:27 +01:00 • committed by Konrad Rzeszutek Wilk

parent 80808d273a

commit 16bc75f3aa

1 changed files with 2 additions and 4 deletions

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drivers/xen/swiotlb-xen.c

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