Re: [PATCH 0/2 RESEND v7] add reserved e820 ranges to the kdump kernel e820 table

From: Dave Hansen
Date: Mon Nov 26 2018 - 12:44:50 EST

On 11/23/18 9:12 PM, Lianbo Jiang wrote:
> These patches add the new I/O resource descriptor 'IORES_DESC_RESERVED'
> for the iomem resources search interfaces, and in order to make it still
> work after the new descriptor is added, these codes originally related
> to 'IORES_DESC_NONE' have been updated.

I'm having a really hard time figuring out what problem these patches solve.

What end-user visible behavior does this set change?