On 2020/8/4 6:59, David Miller wrote:
From: Jia-Ju Bai
Date: Sun, 2 Aug 2020 21:11:07 +0800
In vmxnet3_probe_device(), "adapter" is mapped to streaming DMA:
adapter->adapter_pa = dma_map_single(..., adapter, ...);
Then "adapter" is accessed at many places in this function.
Theses acce
From: Jia-Ju Bai
Date: Sun, 2 Aug 2020 21:11:07 +0800
> In vmxnet3_probe_device(), "adapter" is mapped to streaming DMA:
> adapter->adapter_pa = dma_map_single(..., adapter, ...);
>
> Then "adapter" is accessed at many places in this function.
>
> Theses accesses may cause data inconsistency
In vmxnet3_probe_device(), "adapter" is mapped to streaming DMA:
adapter->adapter_pa = dma_map_single(..., adapter, ...);
Then "adapter" is accessed at many places in this function.
Theses accesses may cause data inconsistency between CPU cache and
hardware.
To fix this problem, dma_map_singl
