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authorRobin Murphy <robin.murphy@arm.com>2021-12-17 15:30:56 +0000
committerJoerg Roedel <jroedel@suse.de>2021-12-20 09:03:05 +0100
commitd5c383f2c98ac58c210b266cdaf7b86bc32d1ad1 (patch)
treeab362c5ed43a1248ccbaa13a465ba74327400f24 /drivers/iommu/dma-iommu.c
parentd7061627d701c90e1cac1e1e60c45292f64f3470 (diff)
iommu/iova: Squash entry_dtor abstraction
All flush queues are driven by iommu-dma now, so there is no need to abstract entry_dtor or its data any more. Squash the now-canonical implementation directly into the IOVA code to get it out of the way. Reviewed-by: John Garry <john.garry@huawei.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Robin Murphy <robin.murphy@arm.com> Link: https://lore.kernel.org/r/2260f8de00ab5e0f9d2a1cf8978e6ae7cd4f182c.1639753638.git.robin.murphy@arm.com Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'drivers/iommu/dma-iommu.c')
-rw-r--r--drivers/iommu/dma-iommu.c17
1 files changed, 2 insertions, 15 deletions
diff --git a/drivers/iommu/dma-iommu.c b/drivers/iommu/dma-iommu.c
index 84dee53fe892..6691f3cd768f 100644
--- a/drivers/iommu/dma-iommu.c
+++ b/drivers/iommu/dma-iommu.c
@@ -64,18 +64,6 @@ static int __init iommu_dma_forcedac_setup(char *str)
}
early_param("iommu.forcedac", iommu_dma_forcedac_setup);
-static void iommu_dma_entry_dtor(unsigned long data)
-{
- struct page *freelist = (struct page *)data;
-
- while (freelist) {
- unsigned long p = (unsigned long)page_address(freelist);
-
- freelist = freelist->freelist;
- free_page(p);
- }
-}
-
static inline size_t cookie_msi_granule(struct iommu_dma_cookie *cookie)
{
if (cookie->type == IOMMU_DMA_IOVA_COOKIE)
@@ -324,8 +312,7 @@ 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,
- iommu_dma_entry_dtor);
+ ret = init_iova_flush_queue(&cookie->iovad, iommu_dma_flush_iotlb_all);
if (ret) {
pr_warn("iova flush queue initialization failed\n");
return ret;
@@ -471,7 +458,7 @@ static void iommu_dma_free_iova(struct iommu_dma_cookie *cookie,
else if (gather && gather->queued)
queue_iova(iovad, iova_pfn(iovad, iova),
size >> iova_shift(iovad),
- (unsigned long)gather->freelist);
+ gather->freelist);
else
free_iova_fast(iovad, iova_pfn(iovad, iova),
size >> iova_shift(iovad));