Re: [PATCH] vt: fix memory overlapping when deleting chars in the buffer

[Greg Kroah-Hartman]

On Tue, Jun 28, 2022 at 04:59:22PM +0800, Yangxi Xiang wrote:
> >> Both of them works, and I pick one of them.
> >
> > Sorry, I don't understand.
> 
> We can use both scr_memcpyw() and scr_memmovew() for the not
> overlapping case (cp <= nr), which is more likely to happen.
> In this case I keep using scr_memcpyw().

The point is we should just do one type of copy, let's pick the one that
always works and do that, no need to check anything here.

thanks,

greg k-h