| From | Kuppuswamy Sathyanarayanan <> | Subject | [PATCH v5 14/16] virtio: Use shared mappings for virtio PCI devices | Date | Fri, 8 Oct 2021 17:37:09 -0700 |
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From: Andi Kleen <ak@linux.intel.com>
In a TDX guest the pci device mappings of virtio must be shared with the host, so use explicit shared mappings.
Signed-off-by: Andi Kleen <ak@linux.intel.com> Signed-off-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com> ---
Changes since v4: * Replaced pci_iomap_shared_range() with pci_iomap_host_shared_range().
drivers/virtio/virtio_pci_modern_dev.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/virtio/virtio_pci_modern_dev.c b/drivers/virtio/virtio_pci_modern_dev.c index e11ed748e661..f29bf45a4642 100644 --- a/drivers/virtio/virtio_pci_modern_dev.c +++ b/drivers/virtio/virtio_pci_modern_dev.c @@ -83,7 +83,7 @@ vp_modern_map_capability(struct virtio_pci_modern_device *mdev, int off, return NULL; } - p = pci_iomap_range(dev, bar, offset, length); + p = pci_iomap_host_shared_range(dev, bar, offset, length); if (!p) dev_err(&dev->dev, "virtio_pci: unable to map virtio %u@%u on bar %i\n", -- 2.25.1
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