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由 John W. Linville 提交于
This patch implements swiotlb_sync_single_range_for_{cpu,device}. This is intended to support an x86_64 implementation of dma_sync_single_range_for_{cpu,device}. Signed-off-by: NJohn W. Linville <linville@tuxdriver.com> Signed-off-by: NTony Luck <tony.luck@intel.com>
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