Re: [Xen-devel] [PATCH for-4.12 v2 1/7] dom0/pvh: align allocation and mapping order to start address

[Wei Liu <wei.liu2@xxxxxxxxxx>]

On Mon, Feb 11, 2019 at 06:46:36PM +0100, Roger Pau Monne wrote:
> The p2m and iommu mapping code always had the requirement that
> addresses and orders must be aligned when populating the p2m or the
> iommu page tables.
> 
> PVH dom0 builder didn't take this requirement into account, and can
> call into the p2m/iommu mapping helpers with addresses and orders that
> are not aligned.
> 
> Fix this by making sure the orders passed to the physmap population
> helpers are always aligned to the guest address to be populated.
> 
> Signed-off-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>

Reviewed-by: Wei Liu <wei.liu2@xxxxxxxxxx>

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