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iommu/vt-d: Remove unnecessary exported symbol 

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@linux.intel.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Steve Wahl <steve.wahl@hpe.com>
Link: https://lore.kernel.org/r/20220514014322.2927339-4-baolu.lu@linux.intel.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
This commit is contained in:
Lu Baolu 2022-07-12 08:08:46 +08:00 committed by Joerg Roedel
parent f19e038c25
commit f9903555dd
2 changed files with 0 additions and 7 deletions
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6
drivers/iommu/intel/iommu.c
View File

@ -314,9 +314,6 @@ static int iommu_skip_te_disable;
#define IDENTMAP_GFX 2 #define IDENTMAP_GFX 2
#define IDENTMAP_AZALIA 4 #define IDENTMAP_AZALIA 4
int intel_iommu_gfx_mapped;
EXPORT_SYMBOL_GPL(intel_iommu_gfx_mapped);
DEFINE_SPINLOCK(device_domain_lock); DEFINE_SPINLOCK(device_domain_lock);
static LIST_HEAD(device_domain_list); static LIST_HEAD(device_domain_list);
@ -4093,9 +4090,6 @@ int __init intel_iommu_init(void)
if (list_empty(&dmar_satc_units)) if (list_empty(&dmar_satc_units))
pr_info("No SATC found\n"); pr_info("No SATC found\n");
if (dmar_map_gfx)
intel_iommu_gfx_mapped = 1;
init_no_remapping_devices(); init_no_remapping_devices();
ret = init_dmars(); ret = init_dmars();

1
include/linux/intel-iommu.h
View File

@ -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 iommu_calculate_max_sagaw(struct intel_iommu *iommu);
extern int dmar_disabled; extern int dmar_disabled;
extern int intel_iommu_enabled; extern int intel_iommu_enabled;
extern int intel_iommu_gfx_mapped;
#else #else
static inline int iommu_calculate_agaw(struct intel_iommu *iommu) static inline int iommu_calculate_agaw(struct intel_iommu *iommu)
{ {