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authorBaoquan He <bhe@redhat.com>2016-09-20 09:05:34 +0800
committerJoerg Roedel <jroedel@suse.de>2016-09-20 11:54:11 +0200
commit09284b9c4a80299b25b913c976dcaced09cc12f4 (patch)
tree29a2034b545b745ffc34525db245a91dc2648737 /drivers/iommu
parentc3db901c54466a9c135d1e6e95fec452e8a42666 (diff)
downloadlinux-09284b9c4a80299b25b913c976dcaced09cc12f4.tar.bz2
iommu/amd: No need to wait iommu completion if no dte irq entry change
This is a clean up. In get_irq_table() only if DTE entry is changed iommu_completion_wait() need be called. Otherwise no need to do it. Signed-off-by: Baoquan He <bhe@redhat.com> Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'drivers/iommu')
-rw-r--r--drivers/iommu/amd_iommu.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
index b5b117b44026..a2479d0df292 100644
--- a/drivers/iommu/amd_iommu.c
+++ b/drivers/iommu/amd_iommu.c
@@ -3634,7 +3634,7 @@ static struct irq_remap_table *get_irq_table(u16 devid, bool ioapic)
table = irq_lookup_table[devid];
if (table)
- goto out;
+ goto out_unlock;
alias = amd_iommu_alias_table[devid];
table = irq_lookup_table[alias];
@@ -3648,7 +3648,7 @@ static struct irq_remap_table *get_irq_table(u16 devid, bool ioapic)
/* Nothing there yet, allocate new irq remapping table */
table = kzalloc(sizeof(*table), GFP_ATOMIC);
if (!table)
- goto out;
+ goto out_unlock;
/* Initialize table spin-lock */
spin_lock_init(&table->lock);
@@ -3661,7 +3661,7 @@ static struct irq_remap_table *get_irq_table(u16 devid, bool ioapic)
if (!table->table) {
kfree(table);
table = NULL;
- goto out;
+ goto out_unlock;
}
if (!AMD_IOMMU_GUEST_IR_GA(amd_iommu_guest_ir))