[PATCH 03/25] iommu/vt-d: Remove unnecessary exported symbol

From: Lu Baolu
Date: Mon Jul 11 2022 - 20:13:56 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>
Reviewed-by: Christoph Hellwig <hch@xxxxxx>
Reviewed-by: Jason Gunthorpe <jgg@xxxxxxxxxx>
Reviewed-by: Steve Wahl <steve.wahl@xxxxxxx>
Link: https://lore.kernel.org/r/20220514014322.2927339-4-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 5fcf89faa31a..4ebf3c4da45e 100644
--- a/include/linux/intel-iommu.h
+++ b/include/linux/intel-iommu.h
@@ -787,7 +787,6 @@ 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 5c0dce78586a..6564af7ec0dd 100644
--- a/drivers/iommu/intel/iommu.c
+++ b/drivers/iommu/intel/iommu.c
@@ -314,9 +314,6 @@ 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);
-
DEFINE_SPINLOCK(device_domain_lock);
static LIST_HEAD(device_domain_list);

@@ -4093,9 +4090,6 @@ 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