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Re: [Xen-devel] [PATCH][HVM] Reserve MMIO a0000-c0000 in ACPI dsdt
| To: | "He, Qing" <qing.he@xxxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] [PATCH][HVM] Reserve MMIO a0000-c0000 in ACPI dsdt |
| From: | Keir Fraser <Keir.Fraser@xxxxxxxxxxxx> |
| Date: | Thu, 16 Nov 2006 08:08:16 +0000 |
| Delivery-date: | Thu, 16 Nov 2006 00:08:29 -0800 |
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| Thread-topic: | [Xen-devel] [PATCH][HVM] Reserve MMIO a0000-c0000 in ACPI dsdt |
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On 16/11/06 7:53 am, "He, Qing" <qing.he@xxxxxxxxx> wrote: > This patch reserves MMIO 0xa0000 to 0xc0000 in ACPI dsdt, it avoids > possible vga driver loading problem in HVM Windows guest. > Also fixes a Makefile bug in hvmloader directory. Is this *actually* a problem? I didn't think BIOS tables had to report 0xA0000-0xBFFFF as special. Certainly e820 and EFI reporting mechanisms should ignore it as the hole is a well-defined part of the PC memory layout. Also OSes don't treat or probe for standard vga as a pci device. -- Keir _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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