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[Xen-devel] [PATCH] Enable the x2APIC enhancement to Xen


  • To: "Keir Fraser" <keir.fraser@xxxxxxxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxx>
  • From: "Cui, Dexuan" <dexuan.cui@xxxxxxxxx>
  • Date: Mon, 28 Apr 2008 18:02:30 +0800
  • Delivery-date: Mon, 28 Apr 2008 03:03:17 -0700
  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>
  • Thread-index: AcipFvYSYdMQ0wyfTuCpQLfix/agig==
  • Thread-topic: [PATCH] Enable the x2APIC enhancement to Xen

On platforms which supports x2APIC, the patches enable this enhancement
for Xen.

The x2APIC specification is available at
http://www.intel.com/products/processor/manuals/
http://download.intel.com/design/processor/specupdt/318148.pdf

apicid_u8_2_u32.patch: changes the 'apicid' from u8 to u32;
x2apic.patch: replaces the traditional MMIO-style interface to the
MSR-style one; uses physical fixed mode to deliver interrupts to CPU0.

Signed-off-by: Dexuan Cui <dexuan.cui@xxxxxxxxx>

Attachment: apicid_u8_2_u32.patch
Description: apicid_u8_2_u32.patch

Attachment: x2apic.patch
Description: x2apic.patch

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