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Re: [Xen-devel] [PATCH v2] AMD-Vi: allocate root table on demand





On 3/20/17 20:55, Jan Beulich wrote:
This was my originally intended fix for the AMD side of XSA-207:
There's no need to unconditionally allocate the root table, and with
that there's then also no way to leak it when a guest has no devices
assigned.

Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
---
v2: Add AMD_IOMMU_DEBUG() + domain_crash() to amd_iommu_map_page()
    error path for consistency with other code in this function.

Acked-by: Suravee Suthikulpanit <suravee.suthikulpanit@xxxxxxx>

Thanks,
Suravee

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