linux-kernel - Re: [PATCH RFC v2 05/18] cxl/port: Add Dynamic Capacity mode support to endpoint decoders

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Message-ID: <64fbad9aa5f17_1e8e782945@iweiny-mobl.notmuch>
Date:   Fri, 8 Sep 2023 16:26:18 -0700
From:   Ira Weiny <ira.weiny@...el.com>
To:     Fan Ni <fan.ni@....us>, Ira Weiny <ira.weiny@...el.com>
CC:     Dan Williams <dan.j.williams@...el.com>,
        Navneet Singh <navneet.singh@...el.com>,
        Fan Ni <fan.ni@...sung.com>,
        Jonathan Cameron <Jonathan.Cameron@...wei.com>,
        Davidlohr Bueso <dave@...olabs.net>,
        "Dave Jiang" <dave.jiang@...el.com>,
        Alison Schofield <alison.schofield@...el.com>,
        Vishal Verma <vishal.l.verma@...el.com>,
        <linux-cxl@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH RFC v2 05/18] cxl/port: Add Dynamic Capacity mode support
 to endpoint decoders

Fan Ni wrote:
> On Mon, Aug 28, 2023 at 10:20:56PM -0700, Ira Weiny wrote:
> > Endpoint decoders used to map Dynamic Capacity must be configured to
> > point to the correct Dynamic Capacity (DC) Region.  The decoder mode
> > currently represents the partition the decoder points to such as ram or
> > pmem.
> >
> > Expand the mode to include DC Regions.
> >
> > Co-developed-by: Navneet Singh <navneet.singh@...el.com>
> > Signed-off-by: Navneet Singh <navneet.singh@...el.com>
> > Signed-off-by: Ira Weiny <ira.weiny@...el.com>
> >
> 
> I have the same question about how dc_mode_to_region_index is
> implemented and used as Jonathan.

I changed it per Jonathans recommendation.  Was that satisfactory or were
you looking for more information?

> 
> Nice to see the code spit out, it is easier to review now.

Thanks,
Ira