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[Xen-devel] [PATCH][xen-3.2-testing.hg] set agaw properly for vt-d passthrough translation

  • To: 'Keir Fraser' <keir.fraser@xxxxxxxxxxxxx>, "'xen-devel@xxxxxxxxxxxxxxxxxxx'" <xen-devel@xxxxxxxxxxxxxxxxxxx>
  • From: "Cui, Dexuan" <dexuan.cui@xxxxxxxxx>
  • Date: Wed, 8 Oct 2008 10:54:41 +0800
  • Accept-language: zh-CN, en-US
  • Acceptlanguage: zh-CN, en-US
  • Cc:
  • Delivery-date: Tue, 07 Oct 2008 19:56:01 -0700
  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>
  • Thread-index: AckhLFTHOSuA3zEUR4SmRW13+N4ZMQAAhA9QAA4sUMAB4ZaO4A==
  • Thread-topic: [PATCH][xen-3.2-testing.hg] set agaw properly for vt-d passthrough translation

The patch is only for the latest xen-3.2-testing.hg tree.

BTW, actually the xen-3.3-testing.hg tree also has the issue, but since we 
don't really enable VT-d passthrough in 3.3 due to the conditional compilation 
(#ifdef CONTEXT_PASSTHRU...) , we wouldn't really hit the issue.
Maybe c/s 18446: 5ce9459ce872 (vtd: Enable pass-through translation for Dom0) 
can be simply back-ported from xen-unstable.hg to xen-3.3-testing.hg if 

-- Dexuan

Attachment: xen-3.2-fix_pass_through.patch
Description: xen-3.2-fix_pass_through.patch

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