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RE: [Xen-devel] [PATCH] iomem: Prevent Dom0 pci bus from allocating RAM as I/O space


  • To: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
  • From: "Li, Xin" <xin.li@xxxxxxxxx>
  • Date: Tue, 22 Feb 2011 12:55:19 +0800
  • Accept-language: zh-CN, en-US
  • Acceptlanguage: zh-CN, en-US
  • Cc: xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx>, "Dong, Eddie" <eddie.dong@xxxxxxxxx>, "Zhang, Fengzhe" <fengzhe.zhang@xxxxxxxxx>
  • Delivery-date: Mon, 21 Feb 2011 20:57:22 -0800
  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>
  • Thread-index: AcvR/G+dIzHJCUyeSnKaO6/uBYEgHQAUC3FA
  • Thread-topic: [Xen-devel] [PATCH] iomem: Prevent Dom0 pci bus from allocating RAM as I/O space

> Fengzhe's solution works fine. I've tested it on a box with G33 chipset and 
> it makes
> the boot
> problem disappear (if I set dom0_mem=1500MB I would hit this, otherwise it
> booted fined).
> 
> Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
> 
> 
> > I don't know if I missed something important here, please correct me if you 
> > find
> any.
> >
> > Also any other proposals?
> 
> Also sticking this patch for 2.6.38-rc5 train.
> 
> I am going to rename the title of the patch to
> 
> "xen/setup: Inhibit resource API from using System RAM E820 gaps as PCI mem
> gaps."
> 
> and expand the description with snippets from this discussion.
> 
> Thank you for tracking this bug down and proposing a patch.

That is great, thanks a lot for your help :)
-Xin

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