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[Xen-devel] [VTD][PATCH] Fix addr_to_dma_page() and rmrr mapping issues


  • To: <xen-devel@xxxxxxxxxxxxxxxxxxx>
  • From: "Han, Weidong" <weidong.han@xxxxxxxxx>
  • Date: Tue, 25 Dec 2007 15:14:52 +0800
  • Cc: "Kay, Allen M" <allen.m.kay@xxxxxxxxx>
  • Delivery-date: Mon, 24 Dec 2007 23:15:35 -0800
  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>
  • Thread-index: AchGxde/tRwTPYjVSzKfCt9Bl2uRYg==
  • Thread-topic: [Xen-devel] [VTD][PATCH] Fix addr_to_dma_page() and rmrr mapping issues

Fix addr_to_dma_page() issue to return l1e correctly, and also clean up
rmrr mapping code, make sure setup rmrr identify mapping just once per
domain. 

This patch fixes the VT-d bug (Fail to boot smp Linux guest with VT-d
NIC assigned on IA32e platform).

Signed-off-by: Weidong Han <weidong.han@xxxxxxxxx>

Attachment: rmrr-mem.patch
Description: rmrr-mem.patch

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