linux_dsm_epyc7002/kernel/dma
Christoph Hellwig 66d7780f18 dma-mapping: check pfn validity in dma_common_{mmap,get_sgtable}
Check that the pfn returned from arch_dma_coherent_to_pfn refers to
a valid page and reject the mmap / get_sgtable requests otherwise.

Based on the arm implementation of the mmap and get_sgtable methods.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Tested-by: Vignesh Raghavendra <vigneshr@ti.com>
2019-07-24 17:28:54 +02:00
..
coherent.c dma-mapping: remove the DMA_MEMORY_EXCLUSIVE flag 2019-02-20 07:27:00 -07:00
contiguous.c dma-contiguous: use fallback alloc_pages for single pages 2019-06-03 16:00:07 +02:00
debug.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 333 2019-06-05 17:37:06 +02:00
direct.c dma-direct: correct the physical addr in dma_direct_sync_sg_for_cpu/device 2019-07-19 14:09:40 +02:00
dummy.c dma-mapping: factor out dummy DMA ops 2018-12-13 21:06:12 +01:00
Kconfig dma-direct: Force unencrypted DMA under SME for certain DMA masks 2019-07-16 22:15:46 +02:00
Makefile dma-mapping: improve selection of dma_declare_coherent availability 2019-02-20 07:26:35 -07:00
mapping.c dma-mapping: check pfn validity in dma_common_{mmap,get_sgtable} 2019-07-24 17:28:54 +02:00
remap.c dma-direct: handle DMA_ATTR_NO_KERNEL_MAPPING in common code 2019-06-25 14:28:05 +02:00
swiotlb.c Merge branch 'for-linus-5.2' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/swiotlb 2019-07-18 11:48:05 -07:00
virt.c dma-mapping: zero memory returned from dma_alloc_* 2018-12-20 08:13:52 +01:00