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path: root/drivers/iommu/amd_iommu_init.c
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Diffstat (limited to 'drivers/iommu/amd_iommu_init.c')
-rw-r--r--drivers/iommu/amd_iommu_init.c17
1 files changed, 5 insertions, 12 deletions
diff --git a/drivers/iommu/amd_iommu_init.c b/drivers/iommu/amd_iommu_init.c
index f773792d77fd..f977df90d2a4 100644
--- a/drivers/iommu/amd_iommu_init.c
+++ b/drivers/iommu/amd_iommu_init.c
@@ -189,12 +189,6 @@ static bool amd_iommu_pc_present __read_mostly;
bool amd_iommu_force_isolation __read_mostly;
/*
- * List of protection domains - used during resume
- */
-LIST_HEAD(amd_iommu_pd_list);
-spinlock_t amd_iommu_pd_lock;
-
-/*
* Pointer to the device table which is shared by all AMD IOMMUs
* it is indexed by the PCI device id or the HT unit id and contains
* information about the domain the device belongs to as well as the
@@ -359,7 +353,7 @@ static void iommu_write_l2(struct amd_iommu *iommu, u8 address, u32 val)
static void iommu_set_exclusion_range(struct amd_iommu *iommu)
{
u64 start = iommu->exclusion_start & PAGE_MASK;
- u64 limit = (start + iommu->exclusion_length) & PAGE_MASK;
+ u64 limit = (start + iommu->exclusion_length - 1) & PAGE_MASK;
u64 entry;
if (!iommu->exclusion_start)
@@ -2013,6 +2007,9 @@ static int __init init_unity_map_range(struct ivmd_header *m)
if (e == NULL)
return -ENOMEM;
+ if (m->flags & IVMD_FLAG_EXCL_RANGE)
+ init_exclusion_range(m);
+
switch (m->type) {
default:
kfree(e);
@@ -2059,9 +2056,7 @@ static int __init init_memory_definitions(struct acpi_table_header *table)
while (p < end) {
m = (struct ivmd_header *)p;
- if (m->flags & IVMD_FLAG_EXCL_RANGE)
- init_exclusion_range(m);
- else if (m->flags & IVMD_FLAG_UNITY_MAP)
+ if (m->flags & (IVMD_FLAG_UNITY_MAP | IVMD_FLAG_EXCL_RANGE))
init_unity_map_range(m);
p += m->length;
@@ -2525,8 +2520,6 @@ static int __init early_amd_iommu_init(void)
*/
__set_bit(0, amd_iommu_pd_alloc_bitmap);
- spin_lock_init(&amd_iommu_pd_lock);
-
/*
* now the data structures are allocated and basically initialized
* start the real acpi table scan