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

  • To: xen-devel@xxxxxxxxxxxxx
  • From: Gary M <garym@xxxxxxxxxx>
  • Date: Tue, 12 Aug 2014 17:09:22 -0600
  • Delivery-date: Tue, 12 Aug 2014 23:09:57 +0000
  • List-id: Xen developer discussion <xen-devel.lists.xen.org>


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

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