On Thu, Oct 22, 2015 at 12:37:44AM +0800, Lan Tianyu wrote:
> Migration relies on tracking dirty page to migrate memory.
> Hardware can't automatically mark a page as dirty after DMA
> memory access. VF descriptor rings and data buffers are modified
> by hardware when receive and transmit data. To
Migration relies on tracking dirty page to migrate memory.
Hardware can't automatically mark a page as dirty after DMA
memory access. VF descriptor rings and data buffers are modified
by hardware when receive and transmit data. To track such dirty memory
manually, do dummy writes(read a byte and wr