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c10f07aa27
With that in place the generic DMA-direct routines can be used to allocate non-encrypted bounce buffers, and the x86 SEV case can use the generic swiotlb ops including nice features such as using CMA allocations. Note that I'm not too happy about using sev_active() in DMA-direct, but I couldn't come up with a good enough name for a wrapper to make it worth adding. Tested-by: Tom Lendacky <thomas.lendacky@amd.com> Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Thomas Gleixner <tglx@linutronix.de> Cc: David Woodhouse <dwmw2@infradead.org> Cc: Joerg Roedel <joro@8bytes.org> Cc: Jon Mason <jdmason@kudzu.us> Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Muli Ben-Yehuda <mulix@mulix.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: iommu@lists.linux-foundation.org Link: http://lkml.kernel.org/r/20180319103826.12853-14-hch@lst.de Signed-off-by: Ingo Molnar <mingo@kernel.org> |
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