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[Xen-devel] [VTD][PATCH] Fix dom0 crash issue on 32-bit

  • To: <xen-devel@xxxxxxxxxxxxxxxxxxx>
  • From: "Han, Weidong" <weidong.han@xxxxxxxxx>
  • Date: Wed, 26 Sep 2007 11:16:43 +0800
  • Cc: "Kay, Allen M" <allen.m.kay@xxxxxxxxx>
  • Delivery-date: Tue, 25 Sep 2007 20:17:45 -0700
  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>
  • Thread-index: Acf/66lRLCPRdXGtRAaHS3hfbXG8XQ==
  • Thread-topic: [Xen-devel] [VTD][PATCH] Fix dom0 crash issue on 32-bit 
On 32-bit xen, dom0 crashes when using VT-d to assign devices. It is
caused by setting m2p in clear_mmio_p2m_entry(), because
machine_to_phys_mapp[] entry for mmio address is not mapped. This patch
fixes this problem.

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

Attachment: 32bit-dom0-crash.patch
Description: 32bit-dom0-crash.patch

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