Received-SPF: pass (google.com: domain of linux-kernel+bounces-122421-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:40f1:3f00::1 as permitted sender) client-ip=2604:1380:40f1:3f00::1;
Date: Wed, 27 Mar 2024 22:22:38 -0700
From: Ira Weiny <ira.weiny@intel.com>
To: Davidlohr Bueso <dave@stgolabs.net>, <ira.weiny@intel.com>
CC: Dave Jiang <dave.jiang@intel.com>, Fan Ni <fan.ni@samsung.com>, "Jonathan
 Cameron" <Jonathan.Cameron@huawei.com>, Navneet Singh
	<navneet.singh@intel.com>, Dan Williams <dan.j.williams@intel.com>, "Alison
 Schofield" <alison.schofield@intel.com>, Vishal Verma
	<vishal.l.verma@intel.com>, <linux-btrfs@vger.kernel.org>,
	<linux-cxl@vger.kernel.org>, <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 02/26] cxl/core: Separate region mode from decoder mode
Message-ID: <6604fe9e18eeb_20890294a1@iweiny-mobl.notmuch>
References: <20240324-dcd-type2-upstream-v1-0-b7b00d623625@intel.com>
 <20240324-dcd-type2-upstream-v1-2-b7b00d623625@intel.com>
 <yd6mynddwk755ypomyspzxfsqwm7j5g47yfmbw2yfwoadpnnqy@7g3ktxrwkeau>
Content-Type: text/plain; charset="us-ascii"
Content-Disposition: inline
In-Reply-To: <yd6mynddwk755ypomyspzxfsqwm7j5g47yfmbw2yfwoadpnnqy@7g3ktxrwkeau>
Precedence: bulk
MIME-Version: 1.0
X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1
X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?6rkIwwrKKUtbIsf7fIPCUb1jVjG3PhXW/NumIPqjkdM+VDCyBQesPe2tTqi4?=
 =?us-ascii?Q?7fBub6m9V+Dnu7BKsN3vFW7zVev2+q+Vskjja2KMDTHGzQ8QiwUXL3WRvDkH?=
 =?us-ascii?Q?04uWRjVZVj82rg0r66s2n2b7nDa4f3nDP1NqPg69YOyKlXpjCEX1ymiFcEc2?=
 =?us-ascii?Q?d28QVWWI2SQXTW2/gv++eBQQZ7+83/hTecSuAqh+UFdjCL38qCE2sEqIHYli?=
 =?us-ascii?Q?AVPUxMseV/JcFn43BcRxK+jUmLk7ONRZ+gscaRrIpctUKqwNonL7zz8Xss3X?=
 =?us-ascii?Q?BqKoW3c88YIA0cJzTw6JESh0OTEfv13X3aRgWcdMX1ft8clp8NNiRRXJAWLN?=
 =?us-ascii?Q?EgIey1PVl6ude/6cdwugeqTyjaC+VXhwVsEN3wQd/yo1IzNei1SYbF8Ay26a?=
 =?us-ascii?Q?usL3+yYCREdxoFmBdBeSU/xQfwmO+hwUzykSJtyEG9JEjQevpytokC7tqFwL?=
 =?us-ascii?Q?rEgf8k1NLtFwCJaGZf7je42pf5KuAN99XjYDdreLB/5wkCFq8S6yJgsswrlT?=
 =?us-ascii?Q?Ol+6xpLDIyD1OBnqcfGjh5B7r6sTeC9eMDPiyR6xDbqboerUrf/4t5X0jpKK?=
 =?us-ascii?Q?M2SyJt8RL2CQtVK/ggPMmm12Gn8spiyLcCpiyeStQsJM8QJtzd8d9iyj1hZ1?=
 =?us-ascii?Q?JJx0yCkwlyNFXw3aCdsdgG7UszUfYSOL/AIfYiEKizGHgBOe0dQQWDC0+e37?=
 =?us-ascii?Q?GQKJhzL+qdXJZg4m1L/jdiZy6L3baoW/82EA5cf+NT0QqR+vKouM+Ha5bvsU?=
 =?us-ascii?Q?KnU0yJzuHYRGAlv1vW6WFOKyKwREeM1WZawer+rgd38gII7GVPvZwDWDWfuy?=
 =?us-ascii?Q?56p49ejWYhz8O7DSfgE33Yjua7XPM/rXmxMOqgSZjb+6VU0wQirEKBZnW9Gu?=
 =?us-ascii?Q?wB8MBf6auq4CEdZH6mQF2yCibH1bCxi+ZI94wje6rapoWyltyk8V5gg+SI8w?=
 =?us-ascii?Q?YUIy18eBR+TSHNNYRl/0Srdy6LO0w18yQ7Xx5ZJQx+0GNY0nRqe671d7Bs1K?=
 =?us-ascii?Q?NO0/+CNGcSlmboH3bu4x0wyRqA5Uy3pls1owb/5hC0ihhi5MyemGHOByrtrr?=
 =?us-ascii?Q?X+ur0vFo0KOzqgE3J34yrA5fWzWKYCRIlaQx3QHEh4yoHGI5qWaiDnRFxBfS?=
 =?us-ascii?Q?PWWD8BgQqolpQZXMx0jq9Ag2YXnZFv8TKtxdv3V9N+Zio0YVEruQyhz7YaGK?=
 =?us-ascii?Q?RKgPP2NXFZ3bW0RedpSZ9fhkuRN+N88531hmuPdKs63ff6IJ3aJ6k2xno90d?=
 =?us-ascii?Q?N9FFUB7slpyKSIC8mCi4fWRkPDj78ci6JcDLFNSuD1RACshjJHE3wp6Qy/Kz?=
 =?us-ascii?Q?6sCrtoSOQECY9G2s2FHyWDr1zz7+0xzxE+/PXhGNBspH1UGAG7uhB3n9Ui4o?=
 =?us-ascii?Q?JYqxJoD3oTkiY2FMMLMqlWmMJrLa/4b86xR9uE10PeJymxVM6WE2V2tNWGQw?=
 =?us-ascii?Q?6YH9+ndq3P+N+RPHgNiUtZ9LIKADdHo8wkZQowEDn+rS937SUjb+XCMfOsGU?=
 =?us-ascii?Q?0XNKvAXOC6ZNK00vh0IOj9Z0g1jd25WpoLbwzFfqiQSvG7PTbSYeTW5YU11+?=
 =?us-ascii?Q?UlgWEDEeq3dFrcojbQ+4sjVT1EHPb8yo+Z7B+16l?=
X-MS-Exchange-CrossTenant-Network-Message-Id: a51b15e6-73ed-4af0-5eae-08dc4ee7173b
X-MS-Exchange-CrossTenant-AuthSource: SA1PR11MB6733.namprd11.prod.outlook.com
X-MS-Exchange-CrossTenant-AuthAs: Internal
X-MS-Exchange-CrossTenant-OriginalArrivalTime: 28 Mar 2024 05:22:41.5298
 (UTC)
X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted
X-MS-Exchange-CrossTenant-Id: 46c98d88-e344-4ed4-8496-4ed7712e255d
X-MS-Exchange-CrossTenant-MailboxType: HOSTED
X-MS-Exchange-CrossTenant-UserPrincipalName: 7ckJYQrCjIdIa9qluFgRmXcp5ez9CSX8Hm9Z37HumUTRmrk5hOcENhvJCC9Iy77v351p8yzUHhzNEiThvglTAA==
X-MS-Exchange-Transport-CrossTenantHeadersStamped: DS0PR11MB8666
X-OriginatorOrg: intel.com

Davidlohr Bueso wrote:
> On Sun, 24 Mar 2024, ira.weiny@intel.com wrote:
> 
> >From: Navneet Singh <navneet.singh@intel.com>
> >
> >Until now region modes and decoder modes were equivalent in that they
> >were either PMEM or RAM.  With the upcoming addition of Dynamic Capacity
> >regions (which will represent an array of device regions [better named
> >partitions] the index of which could be different on different
> >interleaved devices), the mode of an endpoint decoder and a region will
> >no longer be equivalent.
> >
> >Define a new region mode enumeration and adjust the code for it.
> 
> Could this could also be picked up regardless of dcd?

It could but there is no need for it without DCD.

I will work on re-ordering the cleanups if Dave will agree to take them
early.

Ira