forked from Minki/linux
3d2d861eb0
The PRP addressing scheme requires all PRP entries except for the first one to have a zero offset into the NVMe controller pages (which can be different from the Linux PAGE_SIZE). Use the min_align_mask device parameter to ensure that swiotlb does not change the address of the buffer modulo the device page size to ensure that the PRPs won't be malformed. Signed-off-by: Jianxiong Gao <jxgao@google.com> Signed-off-by: Christoph Hellwig <hch@lst.de> Tested-by: Jianxiong Gao <jxgao@google.com> Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> |
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