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-rw-r--r--drivers/iommu/intel-iommu.c28
1 files changed, 1 insertions, 27 deletions
diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
index 380b4e2f76cd..2a64c3fe49db 100644
--- a/drivers/iommu/intel-iommu.c
+++ b/drivers/iommu/intel-iommu.c
@@ -2558,37 +2558,18 @@ static int md_domain_init(struct dmar_domain *domain, int guest_width);
static int __init si_domain_init(int hw)
{
- struct dmar_drhd_unit *drhd;
- struct intel_iommu *iommu;
int nid, ret = 0;
- bool first = true;
si_domain = alloc_domain(DOMAIN_FLAG_STATIC_IDENTITY);
if (!si_domain)
return -EFAULT;
- for_each_active_iommu(iommu, drhd) {
- ret = iommu_attach_domain(si_domain, iommu);
- if (ret < 0) {
- domain_exit(si_domain);
- return -EFAULT;
- } else if (first) {
- si_domain->id = ret;
- first = false;
- } else if (si_domain->id != ret) {
- domain_exit(si_domain);
- return -EFAULT;
- }
- domain_attach_iommu(si_domain, iommu);
- }
-
if (md_domain_init(si_domain, DEFAULT_DOMAIN_ADDRESS_WIDTH)) {
domain_exit(si_domain);
return -EFAULT;
}
- pr_debug("Identity mapping domain is domain %d\n",
- si_domain->id);
+ pr_debug("Identity mapping domain allocated\n");
if (hw)
return 0;
@@ -4197,13 +4178,6 @@ static int intel_iommu_add(struct dmar_drhd_unit *dmaru)
iommu->flush.flush_iotlb(iommu, 0, 0, 0, DMA_TLB_GLOBAL_FLUSH);
iommu_enable_translation(iommu);
- if (si_domain) {
- ret = iommu_attach_domain(si_domain, iommu);
- if (ret < 0 || si_domain->id != ret)
- goto disable_iommu;
- domain_attach_iommu(si_domain, iommu);
- }
-
iommu_disable_protect_mem_regions(iommu);
return 0;