[PATCH v2 4/6] common: DMA-mapping: add DMA_ATTR_PRIVILEGED_EXECUTABLE attribute

This patch adds the DMA_ATTR_PRIVILEGED_EXECUTABLE attribute to the DMA-mapping subsystem. Some architectures require that writable mappings also be non-executable at lesser-privileged levels of execution. This attribute is used to indicate to the DMA-mapping subsystem that it should do whatever

Re: [PATCH v2 4/6] common: DMA-mapping: add DMA_ATTR_PRIVILEGED_EXECUTABLE attribute

On 09/07/16 03:09, Mitchel Humpherys wrote: > This patch adds the DMA_ATTR_PRIVILEGED_EXECUTABLE attribute to the > DMA-mapping subsystem. DMA_ATTR_PRIVILEGED. We can worry about the (much bigger) executable vs. NX issue some other time. > Some architectures require that writable mappings also be