On Fri, Jul 28, 2017 at 07:15:53PM +0800, Baoquan He wrote: > On 07/28/17 at 01:14pm, Joerg Roedel wrote: > > Yes, exactly, the first device table also needs to be allocated with > > GFP_DMA32 so that it ends up below 4GB. > > Got it, will do. Thanks!
Oh, and you also need to check in the kdump kernel whether the old device-table is really below 4GB and abort the copy otherwise. _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu
