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由 Weidong Han 提交于
"SAGAW" capability may be different across iommus. Use a default agaw, but if default agaw is not supported in some iommus, choose a less supported agaw. Signed-off-by: NWeidong Han <weidong.han@intel.com> Signed-off-by: NJoerg Roedel <joerg.roedel@amd.com>
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