On Tue, 2013-02-26 at 16:49 -0700, Shuah Khan wrote:
When dma_ops are initialized the unity mappings are created. The
init_device_table_dma() function makes sure DMA from all devices is
blocked by default. This opens a short window in time where DMA to
unity mapped regions is blocked by the
On Thu, 2013-02-28 at 12:52 -0700, Shuah Khan wrote:
On Tue, 2013-02-26 at 16:49 -0700, Shuah Khan wrote:
When dma_ops are initialized the unity mappings are created. The
init_device_table_dma() function makes sure DMA from all devices is
blocked by default. This opens a short window in
Hi Shuah,
On Thu, Feb 28, 2013 at 12:52:00PM -0700, Shuah Khan wrote:
On Tue, 2013-02-26 at 16:49 -0700, Shuah Khan wrote:
When dma_ops are initialized the unity mappings are created. The
init_device_table_dma() function makes sure DMA from all devices is
blocked by default. This opens a
When dma_ops are initialized the unity mappings are created. The
init_device_table_dma() function makes sure DMA from all devices is
blocked by default. This opens a short window in time where DMA to
unity mapped regions is blocked by the IOMMU. Make sure this does not
happen by initializing the
