[Xen-devel] help: dma_map_single() returning null in dom0

[Gary M <garym@xxxxxxxxxx>]

Hi,

I'm in a gap in my understanding need some help..Â

I'm porting a driver from bare metal to Dom0, xen 4.3, debian jessie kernel 3.14

I do a kmalloc and get a null returnedÂdma_map_single(). Â

Is there something I'm not setting correctly in dom0 kernel line ?Â

Does theÂdma_map_single() call work in dom0 ?Â

cheers

-g

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