From: Joerg Roedel <jroe...@suse.de>
This allows to do domain->iommu attachment after domain_init
has run.
Signed-off-by: Joerg Roedel <jroe...@suse.de>
---
drivers/iommu/intel-iommu.c | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)
diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
index 08391a6..90c3fa5 100644
--- a/drivers/iommu/intel-iommu.c
+++ b/drivers/iommu/intel-iommu.c
@@ -1829,9 +1829,9 @@ static inline int guestwidth_to_adjustwidth(int gaw)
return agaw;
}
-static int domain_init(struct dmar_domain *domain, int guest_width)
+static int domain_init(struct dmar_domain *domain, struct intel_iommu *iommu,
+ int guest_width)
{
- struct intel_iommu *iommu;
int adjust_width, agaw;
unsigned long sagaw;
@@ -1840,7 +1840,6 @@ static int domain_init(struct dmar_domain *domain, int
guest_width)
domain_reserve_special_ranges(domain);
/* calculate AGAW */
- iommu = domain_get_iommu(domain);
if (guest_width > cap_mgaw(iommu->cap))
guest_width = cap_mgaw(iommu->cap);
domain->gaw = guest_width;
@@ -2387,7 +2386,7 @@ static struct dmar_domain *get_domain_for_dev(struct
device *dev, int gaw)
return NULL;
}
domain_attach_iommu(domain, iommu);
- if (domain_init(domain, gaw)) {
+ if (domain_init(domain, iommu, gaw)) {
domain_exit(domain);
return NULL;
}
--
1.9.1
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