[edk2-devel] [PATCH v5 3/7] OvmfPkg/VirtioMmioDeviceLib: virtio 1.0: Fix SetPageSize.

[Gerd Hoffmann]

Nothing to do here for virtio 1.0 devices.

Signed-off-by: Gerd Hoffmann <kraxel at redhat.com>
Reviewed-by: Philippe Mathieu-Daude <philmd at redhat.com>
---
 .../Library/VirtioMmioDeviceLib/VirtioMmioDeviceFunctions.c   | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/OvmfPkg/Library/VirtioMmioDeviceLib/VirtioMmioDeviceFunctions.c b/OvmfPkg/Library/VirtioMmioDeviceLib/VirtioMmioDeviceFunctions.c
index b0d75fb1dd24..50a4fd2100ee 100644
--- a/OvmfPkg/Library/VirtioMmioDeviceLib/VirtioMmioDeviceFunctions.c
+++ b/OvmfPkg/Library/VirtioMmioDeviceLib/VirtioMmioDeviceFunctions.c
@@ -151,7 +151,9 @@ VirtioMmioSetPageSize (
 
   Device = VIRTIO_MMIO_DEVICE_FROM_VIRTIO_DEVICE (This);
 
-  VIRTIO_CFG_WRITE (Device, VIRTIO_MMIO_OFFSET_GUEST_PAGE_SIZE, PageSize);
+  if (Device->Version == VIRTIO_MMIO_DEVICE_VERSION_0_95) {
+    VIRTIO_CFG_WRITE (Device, VIRTIO_MMIO_OFFSET_GUEST_PAGE_SIZE, PageSize);
+  }
 
   return EFI_SUCCESS;
 }
-- 
2.31.1



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