Re: [PATCH 1/2] x86: Set up resources correctly on Hyper-V Generation 2

From: Dan Williams
Date: Thu Aug 18 2016 - 21:47:19 EST


On Thu, Aug 18, 2016 at 11:05 AM, Matthew Wilcox <mawilcox@xxxxxxxxxxxxx> wrote:
> I'd rather the memmap= option works on all platforms. Unless we're going to get rid of it entirely and exclusively use ACPI tables, I see no good reason to leave this landmine lying around for someone else to blow their own leg off.
>

memmap= is already a landmine: https://lkml.org/lkml/2016/6/28/819

Killing memmap= in favor of NFIT is a better way to go. I chatted
with Peter off list about this problem and he wondered about
re-purposing using the mBFT mechanism to define memory ranges:

http://omniboot.org/txt/syslinux/memdisk.txt