From 74a37817bd1567330fb372eb01223e31b45b1cc0 Mon Sep 17 00:00:00 2001 From: Suravee Suthikulpanit Date: Tue, 30 May 2023 10:11:34 -0400 Subject: [PATCH] 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 Suggested-by: Vasant Hegde Signed-off-by: Suravee Suthikulpanit Link: https://lore.kernel.org/r/20230530141137.14376-3-suravee.suthikulpanit@amd.com Signed-off-by: Joerg Roedel --- drivers/iommu/amd/amd_iommu_types.h | 1 - drivers/iommu/amd/iommu.c | 17 +++++++---------- 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 2ddbda3a43746..8c072be68875c 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 12d6844128f99..e6daf0f39fd83 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 -- 2.30.2