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[Xen-devel] [PATCH] [VTD] Fix a bug in addr_to_dma_page_maddr(), and add timeout in infinite loop

  • To: <xen-devel@xxxxxxxxxxxxxxxxxxx>
  • From: "Han, Weidong" <weidong.han@xxxxxxxxx>
  • Date: Tue, 22 Apr 2008 14:09:38 +0800
  • Cc: "Kay, Allen M" <allen.m.kay@xxxxxxxxx>
  • Delivery-date: Mon, 21 Apr 2008 23:10:19 -0700
  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>
  • Thread-index: AcikP3Fx+ooRWuDYQ8ab2wMG4ngowg==
  • Thread-topic: [Xen-devel] [PATCH] [VTD] Fix a bug in addr_to_dma_page_maddr(), and add timeout in infinite loop
In addr_to_dma_page_maddr(), pte should not be used after
unmap_vtd_domain_page(parent). In addition, timeout is added in some
infinite loops.

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

Attachment: vtd-timeout.patch
Description: vtd-timeout.patch

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