Re: CMA enhancement - non-default areas in x86

[gregkh@xxxxxxxxxxxxxxxxxxx]

On Wed, May 13, 2020 at 07:00:12AM +0000, Idgar, Or wrote:
> > For what type of device?
> NTB (Non-Transparent Bridge).


Very odd quoting style...

Anyway, what exactly is a non-transparent bridge, and why doesn't your
bios/uefi implementation properly reserve the memory for it so that the
OS does not use it?

thanks,

greg k-h