[PATCH 2/2] iommu/vt-d: Remove unnecessary exported symbol

From: Lu Baolu
Date: Thu Feb 10 2022 - 22:07:28 EST


The exported symbol intel_iommu_gfx_mapped is not used anywhere in the
tree. Remove it to avoid dead code.

Signed-off-by: Lu Baolu <baolu.lu@xxxxxxxxxxxxxxx>
---
include/linux/intel-iommu.h | 1 -
drivers/iommu/intel/iommu.c | 6 ------
2 files changed, 7 deletions(-)

diff --git a/include/linux/intel-iommu.h b/include/linux/intel-iommu.h
index 2f8a4517c929..b8b8be58cb6b 100644
--- a/include/linux/intel-iommu.h
+++ b/include/linux/intel-iommu.h
@@ -789,7 +789,6 @@ extern int iommu_calculate_agaw(struct intel_iommu *iommu);
extern int iommu_calculate_max_sagaw(struct intel_iommu *iommu);
extern int dmar_disabled;
extern int intel_iommu_enabled;
-extern int intel_iommu_gfx_mapped;
#else
static inline int iommu_calculate_agaw(struct intel_iommu *iommu)
{
diff --git a/drivers/iommu/intel/iommu.c b/drivers/iommu/intel/iommu.c
index 4b06f2f365bd..88a53140c7f1 100644
--- a/drivers/iommu/intel/iommu.c
+++ b/drivers/iommu/intel/iommu.c
@@ -311,9 +311,6 @@ static int iommu_skip_te_disable;
#define IDENTMAP_GFX 2
#define IDENTMAP_AZALIA 4

-int intel_iommu_gfx_mapped;
-EXPORT_SYMBOL_GPL(intel_iommu_gfx_mapped);
-
static DEFINE_XARRAY_ALLOC(device_domain_array);

/* Convert device source ID into the index of device_domain_array. */
@@ -4070,9 +4067,6 @@ int __init intel_iommu_init(void)
if (list_empty(&dmar_satc_units))
pr_info("No SATC found\n");

- if (dmar_map_gfx)
- intel_iommu_gfx_mapped = 1;
-
init_no_remapping_devices();

ret = init_dmars();
--
2.25.1