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Re: [Xen-devel] [PATCH] AMD IOMMU: Parse IVRS table early to prevent iom

To: Wei Wang2 <wei.wang2@xxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>
Subject: Re: [Xen-devel] [PATCH] AMD IOMMU: Parse IVRS table early to prevent iommu_enabled from being disabled
From: Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
Date: Wed, 28 Oct 2009 17:30:31 +0000
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On 28/10/2009 16:31, "Wei Wang2" <wei.wang2@xxxxxxx> wrote:

> This patch moves IVRS table parsing functions into an early position, which
> prevent iommu_enabled from being disabled by failure dmar table detection.

Not nice. See if c/s 20381 fixes your problem. It's justa  cleanup of some
VT-d code which should avoid the problem altogether.

 -- Keir




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