In Intel IOMMU driver, it calculate page table level from adjusted guest
address width as 'level = (agaw - 30) / 9', which assumes (agaw -30)
could be divided by 9. On the other hand, 64bit is a valid agaw and
(64 - 30) can't be divided by 9, so it needs special handling.
This patch enhances
In Intel IOMMU driver, it calculate page table level from adjusted guest
address width as 'level = (agaw - 30) / 9', which assumes (agaw -30)
could be divided by 9. On the other hand, 64bit is a valid agaw and
(64 - 30) can't be divided by 9, so it needs special handling.
This patch enhances
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