diff options
Diffstat (limited to 'drivers/iommu')
| -rw-r--r-- | drivers/iommu/amd_iommu.c | 23 |
1 files changed, 12 insertions, 11 deletions
diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c index ea120c7b46c9..11ea2d656be8 100644 --- a/drivers/iommu/amd_iommu.c +++ b/drivers/iommu/amd_iommu.c @@ -3617,6 +3617,14 @@ static struct irq_remap_table *get_irq_table(u16 devid) return table; } +static void set_remap_table_entry(struct amd_iommu *iommu, u16 devid, + struct irq_remap_table *table) +{ + irq_lookup_table[devid] = table; + set_dte_irq_entry(devid, table); + iommu_flush_dte(iommu, devid); +} + static struct irq_remap_table *alloc_irq_table(u16 devid) { struct irq_remap_table *table = NULL; @@ -3637,9 +3645,7 @@ static struct irq_remap_table *alloc_irq_table(u16 devid) alias = amd_iommu_alias_table[devid]; table = irq_lookup_table[alias]; if (table) { - irq_lookup_table[devid] = table; - set_dte_irq_entry(devid, table); - iommu_flush_dte(iommu, devid); + set_remap_table_entry(iommu, devid, table); goto out; } @@ -3666,14 +3672,9 @@ static struct irq_remap_table *alloc_irq_table(u16 devid) (MAX_IRQS_PER_TABLE * (sizeof(u64) * 2))); - irq_lookup_table[devid] = table; - set_dte_irq_entry(devid, table); - iommu_flush_dte(iommu, devid); - if (devid != alias) { - irq_lookup_table[alias] = table; - set_dte_irq_entry(alias, table); - iommu_flush_dte(iommu, alias); - } + set_remap_table_entry(iommu, devid, table); + if (devid != alias) + set_remap_table_entry(iommu, alias, table); out: iommu_completion_wait(iommu); |