Re: [PATCH 01/21] arm64/iommu: handle non-remapped addresses in ->mmap and ->get_sgtable

On 27/03/2019 08:04, Christoph Hellwig wrote: DMA allocations that can't sleep may return non-remapped addresses, but we do not properly handle them in the mmap and get_sgtable methods. Resolve non-vmalloc addresses using virt_to_page to handle this corner case. Signed-off-by: Christoph Hellwig

[PATCH 01/21] arm64/iommu: handle non-remapped addresses in ->mmap and ->get_sgtable

DMA allocations that can't sleep may return non-remapped addresses, but we do not properly handle them in the mmap and get_sgtable methods. Resolve non-vmalloc addresses using virt_to_page to handle this corner case. Signed-off-by: Christoph Hellwig --- arch/arm64/mm/dma-mapping.c | 12 +

[PATCH 01/21] arm64/iommu: handle non-remapped addresses in ->mmap and ->get_sgtable

DMA allocations that can't sleep may return non-remapped addresses, but we do not properly handle them in the mmap and get_sgtable methods. Resolve non-vmalloc addresses using virt_to_page to handle this corner case. Signed-off-by: Christoph Hellwig --- arch/arm64/mm/dma-mapping.c | 12 +