Messages in this thread Patch in this message | | | From | Suravee Suthikulpanit <> | Subject | [PATCH v2 2/5] iommu/amd: Remove the unused struct amd_ir_data.ref | Date | Thu, 18 May 2023 20:55:26 -0400 |
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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.
Suggested-by: Vasant Hegde <vasant.hegde@amd.com> Signed-off-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com> --- 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 3d684190b4d5..a0ff1e852efc 100644 --- a/drivers/iommu/amd/amd_iommu_types.h +++ b/drivers/iommu/amd/amd_iommu_types.h @@ -993,7 +993,6 @@ 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 4a3a7346ab21..0c4a2796bb0a 100644 --- a/drivers/iommu/amd/iommu.c +++ b/drivers/iommu/amd/iommu.c @@ -2999,7 +2999,7 @@ static int alloc_irq_index(struct amd_iommu *iommu, u16 devid, int count, } 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; @@ -3026,9 +3026,6 @@ 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); @@ -3117,7 +3114,7 @@ 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) @@ -3133,7 +3130,7 @@ 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, @@ -3157,7 +3154,7 @@ 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); } } @@ -3508,7 +3505,7 @@ 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); @@ -3538,7 +3535,7 @@ 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); @@ -3719,7 +3716,7 @@ 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 -- 2.31.1
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