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-rw-r--r--drivers/iommu/dma-iommu.c13
-rw-r--r--drivers/iommu/iova.c11
2 files changed, 6 insertions, 18 deletions
diff --git a/drivers/iommu/dma-iommu.c b/drivers/iommu/dma-iommu.c
index 6691f3cd768f..c63d93581a4e 100644
--- a/drivers/iommu/dma-iommu.c
+++ b/drivers/iommu/dma-iommu.c
@@ -282,17 +282,6 @@ static int iova_reserve_iommu_regions(struct device *dev,
return ret;
}
-static void iommu_dma_flush_iotlb_all(struct iova_domain *iovad)
-{
- struct iommu_dma_cookie *cookie;
- struct iommu_domain *domain;
-
- cookie = container_of(iovad, struct iommu_dma_cookie, iovad);
- domain = cookie->fq_domain;
-
- domain->ops->flush_iotlb_all(domain);
-}
-
static bool dev_is_untrusted(struct device *dev)
{
return dev_is_pci(dev) && to_pci_dev(dev)->untrusted;
@@ -312,7 +301,7 @@ int iommu_dma_init_fq(struct iommu_domain *domain)
if (cookie->fq_domain)
return 0;
- ret = init_iova_flush_queue(&cookie->iovad, iommu_dma_flush_iotlb_all);
+ ret = init_iova_flush_queue(&cookie->iovad, domain);
if (ret) {
pr_warn("iova flush queue initialization failed\n");
return ret;
diff --git a/drivers/iommu/iova.c b/drivers/iommu/iova.c
index 541857ca4fd5..bbf642940988 100644
--- a/drivers/iommu/iova.c
+++ b/drivers/iommu/iova.c
@@ -63,7 +63,7 @@ init_iova_domain(struct iova_domain *iovad, unsigned long granule,
iovad->start_pfn = start_pfn;
iovad->dma_32bit_pfn = 1UL << (32 - iova_shift(iovad));
iovad->max32_alloc_size = iovad->dma_32bit_pfn;
- iovad->flush_cb = NULL;
+ iovad->fq_domain = NULL;
iovad->fq = NULL;
iovad->anchor.pfn_lo = iovad->anchor.pfn_hi = IOVA_ANCHOR;
rb_link_node(&iovad->anchor.node, NULL, &iovad->rbroot.rb_node);
@@ -90,10 +90,10 @@ static void free_iova_flush_queue(struct iova_domain *iovad)
free_percpu(iovad->fq);
iovad->fq = NULL;
- iovad->flush_cb = NULL;
+ iovad->fq_domain = NULL;
}
-int init_iova_flush_queue(struct iova_domain *iovad, iova_flush_cb flush_cb)
+int init_iova_flush_queue(struct iova_domain *iovad, struct iommu_domain *fq_domain)
{
struct iova_fq __percpu *queue;
int cpu;
@@ -105,8 +105,6 @@ int init_iova_flush_queue(struct iova_domain *iovad, iova_flush_cb flush_cb)
if (!queue)
return -ENOMEM;
- iovad->flush_cb = flush_cb;
-
for_each_possible_cpu(cpu) {
struct iova_fq *fq;
@@ -117,6 +115,7 @@ int init_iova_flush_queue(struct iova_domain *iovad, iova_flush_cb flush_cb)
spin_lock_init(&fq->lock);
}
+ iovad->fq_domain = fq_domain;
iovad->fq = queue;
timer_setup(&iovad->fq_timer, fq_flush_timeout, 0);
@@ -598,7 +597,7 @@ static void fq_ring_free(struct iova_domain *iovad, struct iova_fq *fq)
static void iova_domain_flush(struct iova_domain *iovad)
{
atomic64_inc(&iovad->fq_flush_start_cnt);
- iovad->flush_cb(iovad);
+ iovad->fq_domain->ops->flush_iotlb_all(iovad->fq_domain);
atomic64_inc(&iovad->fq_flush_finish_cnt);
}