Konrad Rzeszutek Wilk <konrad.w...@oracle.com> writes: > On Mon, Dec 17, 2012 at 11:15:56PM -0800, Yinghai Lu wrote: >> So use could disable swiotlb from command line, even swiotlb support >> is compiled in. Just like we have intel_iommu=on and intel_iommu=off. > > You really need to spell out why this is useful.
YH why can't we safely autodetect that the swiotlb is unusable when there is no memory below 4G free? Eric -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/