Messages in this thread | | | Subject | Re: [PATCH v8 05/18] iommu: Only map direct mapped regions | From | Tomasz Nowicki <> | Date | Tue, 17 Jan 2017 13:13:18 +0100 |
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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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