Re: [PATCH] cxl/region: Support multi-level interleaving with smaller granularities for lower levels

[Vishal Aslot]

Hi Robert,
         Any update on this patch? We could also make use of it. Thanks.

-Vishal
________________________________________
From: Gregory Price <gourry@xxxxxxxxxx>
Sent: Friday, October 31, 2025 8:42 AM
To: kernel test robot
Cc: Robert Richter; Alison Schofield; Vishal Verma; Ira Weiny; Dan Williams; Jonathan Cameron; Dave Jiang; Davidlohr Bueso; oe-kbuild-all@xxxxxxxxxxxxxxx; linux-cxl@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; Terry Bowman; Joshua Hahn
Subject: Re: [PATCH] cxl/region: Support multi-level interleaving with smaller granularities for lower levels

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On Fri, Oct 31, 2025 at 03:03:10PM +0800, kernel test robot wrote:
> Hi Robert,
>
> All errors (new ones prefixed by >>, old ones prefixed by <<):
>
> >> ERROR: modpost: "__udivdi3" [drivers/cxl/core/cxl_core.ko] undefined!
>

IIRC this happens when you do 64-bit division because it's annoying and
complicated. Ran into this madness in mempolicy.

~Gregory