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path: root/drivers/iommu/intel/iommu.c
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Diffstat (limited to 'drivers/iommu/intel/iommu.c')
-rw-r--r--drivers/iommu/intel/iommu.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/iommu/intel/iommu.c b/drivers/iommu/intel/iommu.c
index 9ff8b83c19a3..4aa070cf56e7 100644
--- a/drivers/iommu/intel/iommu.c
+++ b/drivers/iommu/intel/iommu.c
@@ -1944,6 +1944,7 @@ static void domain_context_clear_one(struct device_domain_info *info, u8 bus, u8
{
struct intel_iommu *iommu = info->iommu;
struct context_entry *context;
+ u16 did;
spin_lock(&iommu->lock);
context = iommu_context_addr(iommu, bus, devfn, 0);
@@ -1952,10 +1953,11 @@ static void domain_context_clear_one(struct device_domain_info *info, u8 bus, u8
return;
}
+ did = context_domain_id(context);
context_clear_entry(context);
__iommu_flush_cache(iommu, context, sizeof(*context));
spin_unlock(&iommu->lock);
- intel_context_flush_present(info, context, true);
+ intel_context_flush_present(info, context, did, true);
}
static int domain_setup_first_level(struct intel_iommu *iommu,
@@ -4249,6 +4251,7 @@ static int context_flip_pri(struct device_domain_info *info, bool enable)
struct intel_iommu *iommu = info->iommu;
u8 bus = info->bus, devfn = info->devfn;
struct context_entry *context;
+ u16 did;
spin_lock(&iommu->lock);
if (context_copied(iommu, bus, devfn)) {
@@ -4261,6 +4264,7 @@ static int context_flip_pri(struct device_domain_info *info, bool enable)
spin_unlock(&iommu->lock);
return -ENODEV;
}
+ did = context_domain_id(context);
if (enable)
context_set_sm_pre(context);
@@ -4269,7 +4273,7 @@ static int context_flip_pri(struct device_domain_info *info, bool enable)
if (!ecap_coherent(iommu->ecap))
clflush_cache_range(context, sizeof(*context));
- intel_context_flush_present(info, context, true);
+ intel_context_flush_present(info, context, did, true);
spin_unlock(&iommu->lock);
return 0;