Now that we map the requests correctly we can remove the iommu_present() restriction. Signed-off-by: Logan Gunthorpe <logang@xxxxxxxxxxxx> --- drivers/pci/p2pdma.c | 4 ---- 1 file changed, 4 deletions(-) diff --git a/drivers/pci/p2pdma.c b/drivers/pci/p2pdma.c index 76f51678342c..053f9ad59d79 100644 --- a/drivers/pci/p2pdma.c +++ b/drivers/pci/p2pdma.c @@ -18,7 +18,6 @@ #include <linux/percpu-refcount.h> #include <linux/random.h> #include <linux/seq_buf.h> -#include <linux/iommu.h> #include <linux/xarray.h> struct pci_p2pdma { @@ -303,9 +302,6 @@ static bool host_bridge_whitelist(struct pci_dev *a, struct pci_dev *b) struct pci_host_bridge *host_a = pci_find_host_bridge(a->bus); struct pci_host_bridge *host_b = pci_find_host_bridge(b->bus); - if (iommu_present(a->dev.bus) || iommu_present(b->dev.bus)) - return false; - if (host_a == host_b) return __host_bridge_whitelist(host_a, true); -- 2.20.1