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authorSuravee Suthikulpanit2023-05-30 10:11:34 -0400
committerJoerg Roedel2023-06-09 14:47:08 +0200
commit74a37817bd1567330fb372eb01223e31b45b1cc0 (patch)
treeac7a5bcf41700e0557689846adc2a136f2cdc685 /drivers/iommu
parenta42f0c7a4118ffa395866cc7f5522d71a86fc4dd (diff)
iommu/amd: Remove the unused struct amd_ir_data.ref
Since the amd_iommu_update_ga() has been switched to use the modify_irte_ga() helper function to update the IRTE, the parameter is no longer needed. Reviewed-by: Jerry Snitselaar <jsnitsel@redhat.com> Suggested-by: Vasant Hegde <vasant.hegde@amd.com> Signed-off-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com> Link: https://lore.kernel.org/r/20230530141137.14376-3-suravee.suthikulpanit@amd.com Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'drivers/iommu')
-rw-r--r--drivers/iommu/amd/amd_iommu_types.h1
-rw-r--r--drivers/iommu/amd/iommu.c17
2 files changed, 7 insertions, 11 deletions
diff --git a/drivers/iommu/amd/amd_iommu_types.h b/drivers/iommu/amd/amd_iommu_types.h
index 2ddbda3a4374..8c072be68875 100644
--- a/drivers/iommu/amd/amd_iommu_types.h
+++ b/drivers/iommu/amd/amd_iommu_types.h
@@ -1001,7 +1001,6 @@ struct amd_ir_data {
struct irq_2_irte irq_2_irte;
struct msi_msg msi_entry;
void *entry; /* Pointer to union irte or struct irte_ga */
- void *ref; /* Pointer to the actual irte */
/**
* Store information for activate/de-activate
diff --git a/drivers/iommu/amd/iommu.c b/drivers/iommu/amd/iommu.c
index 12d6844128f9..e6daf0f39fd8 100644
--- a/drivers/iommu/amd/iommu.c
+++ b/drivers/iommu/amd/iommu.c
@@ -3001,7 +3001,7 @@ out:
}
static int modify_irte_ga(struct amd_iommu *iommu, u16 devid, int index,
- struct irte_ga *irte, struct amd_ir_data *data)
+ struct irte_ga *irte)
{
bool ret;
struct irq_remap_table *table;
@@ -3028,9 +3028,6 @@ static int modify_irte_ga(struct amd_iommu *iommu, u16 devid, int index,
*/
WARN_ON(!ret);
- if (data)
- data->ref = entry;
-
raw_spin_unlock_irqrestore(&table->lock, flags);
iommu_flush_irt(iommu, devid);
@@ -3119,7 +3116,7 @@ static void irte_ga_activate(struct amd_iommu *iommu, void *entry, u16 devid, u1
struct irte_ga *irte = (struct irte_ga *) entry;
irte->lo.fields_remap.valid = 1;
- modify_irte_ga(iommu, devid, index, irte, NULL);
+ modify_irte_ga(iommu, devid, index, irte);
}
static void irte_deactivate(struct amd_iommu *iommu, void *entry, u16 devid, u16 index)
@@ -3135,7 +3132,7 @@ static void irte_ga_deactivate(struct amd_iommu *iommu, void *entry, u16 devid,
struct irte_ga *irte = (struct irte_ga *) entry;
irte->lo.fields_remap.valid = 0;
- modify_irte_ga(iommu, devid, index, irte, NULL);
+ modify_irte_ga(iommu, devid, index, irte);
}
static void irte_set_affinity(struct amd_iommu *iommu, void *entry, u16 devid, u16 index,
@@ -3159,7 +3156,7 @@ static void irte_ga_set_affinity(struct amd_iommu *iommu, void *entry, u16 devid
APICID_TO_IRTE_DEST_LO(dest_apicid);
irte->hi.fields.destination =
APICID_TO_IRTE_DEST_HI(dest_apicid);
- modify_irte_ga(iommu, devid, index, irte, NULL);
+ modify_irte_ga(iommu, devid, index, irte);
}
}
@@ -3510,7 +3507,7 @@ int amd_iommu_activate_guest_mode(void *data)
entry->lo.fields_vapic.ga_tag = ir_data->ga_tag;
return modify_irte_ga(ir_data->iommu, ir_data->irq_2_irte.devid,
- ir_data->irq_2_irte.index, entry, ir_data);
+ ir_data->irq_2_irte.index, entry);
}
EXPORT_SYMBOL(amd_iommu_activate_guest_mode);
@@ -3540,7 +3537,7 @@ int amd_iommu_deactivate_guest_mode(void *data)
APICID_TO_IRTE_DEST_HI(cfg->dest_apicid);
return modify_irte_ga(ir_data->iommu, ir_data->irq_2_irte.devid,
- ir_data->irq_2_irte.index, entry, ir_data);
+ ir_data->irq_2_irte.index, entry);
}
EXPORT_SYMBOL(amd_iommu_deactivate_guest_mode);
@@ -3721,7 +3718,7 @@ int amd_iommu_update_ga(int cpu, bool is_run, void *data)
entry->lo.fields_vapic.is_run = is_run;
return modify_irte_ga(ir_data->iommu, ir_data->irq_2_irte.devid,
- ir_data->irq_2_irte.index, entry, ir_data);
+ ir_data->irq_2_irte.index, entry);
}
EXPORT_SYMBOL(amd_iommu_update_ga);
#endif