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Re: [Xen-devel] Physical address mapping to user space in dom0 problem

  • To: Haw-Yuan Yang <hawyuan@xxxxxxxxx>, Keir Fraser <keir@xxxxxxxxxxxxx>
  • From: Keir Fraser <keir@xxxxxxxxxxxxx>
  • Date: Sun, 18 Mar 2007 21:14:05 +0000
  • Cc: xen-devel@xxxxxxxxxxxxxxxxxxx
  • Delivery-date: Sun, 18 Mar 2007 14:12:16 -0700
  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>
  • Thread-index: AcdpolvampSO6tWVEduf4gAWy6hiGQ==
  • Thread-topic: [Xen-devel] Physical address mapping to user space in dom0 problem

On 18/3/07 20:11, "Haw-Yuan Yang" <hawyuan@xxxxxxxxx> wrote:

Here is what I have in the mmap handler:
if  the physical address is MMIO

Well, perhaps you can simplify your own mmap() handler since you perhaps know that it will only be used to mmap() your pci_alloc_consistent() memory block. Hence you may only need to handle the remap_pfn_range() case. But anyway, you have the idea now.

 -- Keir

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