From: Tom Lendacky
Date: Mon, 6 Jul 2015 11:57:37 -0500
> When running a kernel configured with CONFIG_DMA_API_DEBUG=y a warning
> is issued:
> DMA-API: device driver tries to sync DMA memory it has not allocated
>
> This warning is the result of mapping the full range of the Rx buffer
> pages
On Mon, 6 Jul 2015 09:57:37 -0700
Tom Lendacky wrote:
> When running a kernel configured with CONFIG_DMA_API_DEBUG=y a warning
> is issued:
> DMA-API: device driver tries to sync DMA memory it has not allocated
>
> This warning is the result of mapping the full range of the Rx buffer
> pages al
When running a kernel configured with CONFIG_DMA_API_DEBUG=y a warning
is issued:
DMA-API: device driver tries to sync DMA memory it has not allocated
This warning is the result of mapping the full range of the Rx buffer
pages allocated and then performing a dma_sync_single_for_cpu against
a cal