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SubjectRe: [PATCH v8 05/18] iommu: Only map direct mapped regions
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On 11.01.2017 10:41, Eric Auger wrote:
> As we introduced new reserved region types which do not require
> mapping, let's make sure we only map direct mapped regions.
>
> Signed-off-by: Eric Auger <eric.auger@redhat.com>

Reviewed-by: Tomasz Nowicki <tomasz.nowicki@caviumnetworks.com>

Thanks,
Tomasz

>
> ---
>
> v3 -> v4:
> - use region's type and reword commit message and title
> ---
> drivers/iommu/iommu.c | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c
> index 927878d..41c1906 100644
> --- a/drivers/iommu/iommu.c
> +++ b/drivers/iommu/iommu.c
> @@ -343,6 +343,9 @@ static int iommu_group_create_direct_mappings(struct iommu_group *group,
> start = ALIGN(entry->start, pg_size);
> end = ALIGN(entry->start + entry->length, pg_size);
>
> + if (entry->type != IOMMU_RESV_DIRECT)
> + continue;
> +
> for (addr = start; addr < end; addr += pg_size) {
> phys_addr_t phys_addr;
>
>

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