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-rw-r--r--drivers/vfio/vfio_iommu_type1.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/vfio/vfio_iommu_type1.c b/drivers/vfio/vfio_iommu_type1.c
index 35c9008..57d8c37 100644
--- a/drivers/vfio/vfio_iommu_type1.c
+++ b/drivers/vfio/vfio_iommu_type1.c
@@ -351,8 +351,10 @@ static void vfio_unmap_unpin(struct vfio_iommu *iommu, struct vfio_dma *dma)
domain = d = list_first_entry(&iommu->domain_list,
struct vfio_domain, next);
- list_for_each_entry_continue(d, &iommu->domain_list, next)
+ list_for_each_entry_continue(d, &iommu->domain_list, next) {
iommu_unmap(d->domain, dma->iova, dma->size);
+ cond_resched();
+ }
while (iova < end) {
size_t unmapped, len;
@@ -384,6 +386,8 @@ static void vfio_unmap_unpin(struct vfio_iommu *iommu, struct vfio_dma *dma)
unmapped >> PAGE_SHIFT,
dma->prot, false);
iova += unmapped;
+
+ cond_resched();
}
vfio_lock_acct(-unlocked);
@@ -528,6 +532,8 @@ static int vfio_iommu_map(struct vfio_iommu *iommu, dma_addr_t iova,
map_try_harder(d, iova, pfn, npage, prot))
goto unwind;
}
+
+ cond_resched();
}
return 0;
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