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| author | Eric Auger <eric.auger@redhat.com> | 2017-01-19 20:57:50 (GMT) |
|---|---|---|
| committer | Xie Xiaobo <xiaobo.xie@nxp.com> | 2017-09-25 07:25:44 (GMT) |
| commit | f6eb24983caffbe73cdf2d8652aa688383bc2ba0 (patch) | |
| tree | b4cb6698ea6a5238799ce7cb2347c395a648b016 /drivers/iommu/iommu.c | |
| parent | b3bd498026675603844fe4ea1e9e1a8c7830ac4b (diff) | |
| download | linux-f6eb24983caffbe73cdf2d8652aa688383bc2ba0.tar.xz | |
iommu: Only map direct mapped regions
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>
Tested-by: Tomasz Nowicki <tomasz.nowicki@caviumnetworks.com>
Tested-by: Bharat Bhushan <bharat.bhushan@nxp.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Diffstat (limited to 'drivers/iommu/iommu.c')
| -rw-r--r-- | drivers/iommu/iommu.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c index f83d762..ae3d97b 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; |