[PATCH net 1/2] vmxnet3: set the DMA mask before the first DMA map operation

The DMA mask must be set before, not after, the first DMA map operation, or the first DMA map operation could in theory fail on some systems. Fixes: b0eb57cb97e78 ("VMXNET3: Add support for virtual IOMMU") Signed-off-by: Regis Duchesne Acked-by: Ronak Doshi --- drivers/net/vmxnet3/vmxnet3_drv.c

[PATCH net 1/2] vmxnet3: set the DMA mask before the first DMA map operation

The DMA mask must be set before, not after, the first DMA map operation, or the first DMA map operation could in theory fail on some systems. Fixes: b0eb57cb97e78 ("VMXNET3: Add support for virtual IOMMU") Signed-off-by: Regis Duchesne Acked-by: Ronak Doshi --- drivers/net/vmxnet3/vmxnet3_drv.c

[PATCH net 2/2] vmxnet3: use DMA memory barriers where required

The gen bits must be read first from (resp. written last to) DMA memory. The proper way to enforce this on Linux is to call dma_rmb() (resp. dma_wmb()). Signed-off-by: Regis Duchesne Acked-by: Ronak Doshi --- drivers/net/vmxnet3/vmxnet3_drv.c | 22 ++ drivers/net/vmxnet3/vmx