# Re: \[PATCH v11 0/3\] make hvc pass dma capable memory to its backend

- From: Xianting Tian \<hidden\>
- Date: 2021-10-21 08:56:43 
- List: linuxppc-dev
- Page: https://ratatoskr.run/linuxppc-dev/2021/10/1549284
- Thread: https://ratatoskr.run/linuxppc-dev/2021/10/1542679/t.md

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I am very glad to get this reply:)

Thank you and other experts' kindly help and guide, which improved me a lot.

在 2021/10/21 下午4:35, Greg KH 写道:
> On Fri, Oct 15, 2021 at 10:46:55AM +0800, Xianting Tian wrote:
>> Dear all,
>>
>> This patch series make hvc framework pass DMA capable memory to
>> put_chars() of hvc backend(eg, virtio-console), and revert commit
>> c4baad5029 ("virtio-console: avoid DMA from stack”)
> Thanks for sticking with this, looks much better now, all now queued up.
>
> greg k-h
```