Re: DMA direct mapping fix for 5.4 and earlier stable branches

[Greg KH]

On Tue, Feb 09, 2021 at 10:19:07AM +0000, obayashi.yoshimasa@xxxxxxxxxxxxx wrote:
> > How do you judge "mature"?
> 
>   My basic criteria are
> * Function is exist, but bug fix is necessary: "mature"
> * Function extension is necessary: "immature"
> 
> > And again, if a feature isn't present in a specific kernel version, why would you think that it would be
> > a viable solution for you to use?
> 
>   So, "a feature isn't present in a specific kernel version", 
> also means "immature" according to my criteria.

Great, please use the 5.10 or newer kernel release then.

thanks,

greg k-h