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Re: [Xen-devel] Frame buffer mmap not working in pvops dom0

To: Daniel De Graaf <dgdegra@xxxxxxxxxxxxx>
From: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
Date: Wed, 21 Jul 2010 15:12:22 -0400
Cc: "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>
Delivery-date: Wed, 21 Jul 2010 12:14:46 -0700
List-id: Xen developer discussion <xen-devel.lists.xensource.com>

> That looks like the VM_IO flag (_PAGE_IOMAP on the PTE) is not set somewhere.
> Do you have an idea what piece of kernel code gets triggered when QEMU does
> 'mmap' on the /dev/fb0?
> 
> On my machine where I use KMS/DRM it ends up calling 'ttm_fb_mmap'. But

err.. ttm_fbdev_mmap

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References:
- [Xen-devel] Frame buffer mmap not working in pvops dom0
  - From: Daniel De Graaf
- Re: [Xen-devel] Frame buffer mmap not working in pvops dom0
  - From: Pasi Kärkkäinen
- Re: [Xen-devel] Frame buffer mmap not working in pvops dom0
  - From: Konrad Rzeszutek Wilk
- Re: [Xen-devel] Frame buffer mmap not working in pvops dom0
  - From: Daniel De Graaf
- Re: [Xen-devel] Frame buffer mmap not working in pvops dom0
  - From: Konrad Rzeszutek Wilk

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