From: "Fabio M. De Francesco" <fabio.m.de.francesco@linux.intel.com>
To: Alison Schofield <alison.schofield@intel.com>,
Vishal Verma <vishal.l.verma@intel.com>,
Ira Weiny <ira.weiny@intel.com>,
Dan Williams <dan.j.williams@intel.com>,
Jonathan Cameron <Jonathan.Cameron@huawei.com>,
Dave Jiang <dave.jiang@intel.com>,
Davidlohr Bueso <dave@stgolabs.net>,
Robert Richter <rrichter@amd.com>
Cc: linux-cxl@vger.kernel.org, linux-kernel@vger.kernel.org,
Gregory Price <gourry@gourry.net>,
Terry Bowman <terry.bowman@amd.com>,
Robert Richter <rrichter@amd.com>
Subject: Re: [PATCH v4 11/14] cxl/region: Add a dev_warn() on registration failure
Date: Wed, 23 Apr 2025 22:49:20 +0200 [thread overview]
Message-ID: <2827426.aRXLXkqSa3@fdefranc-mobl3> (raw)
In-Reply-To: <20250306164448.3354845-12-rrichter@amd.com>
On Thursday, March 6, 2025 5:44:45 PM Central European Summer Time Robert Richter wrote:
> Esp. in complex system configurations with multiple endpoints and
> interleaving setups it is hard to detect region setup failures as its
> registration may silently fail. Add messages to show registration
> failures.
>
> Example log message:
>
> cxl region5: region sort successful
> cxl region5: mem0:endpoint5 decoder5.0 add: mem0:decoder5.0 @ 0 next: none nr_eps: 1 nr_targets: 1
> cxl_port endpoint5: decoder5.0: range: 0x22350000000-0x2634fffffff iw: 1 ig: 256
> cxl region5: pci0000:e0:port1 decoder1.2 add: mem0:decoder5.0 @ 0 next: mem0 nr_eps: 1 nr_targets: 1
> cxl region5: pci0000:e0:port1 iw: 1 ig: 256
> cxl region5: pci0000:e0:port1: decoder1.2 expected 0000:e0:01.2 at 0
> cxl endpoint5: failed to attach decoder5.0 to region5: -6
> cxl_port endpoint5: probe: 0
>
> Signed-off-by: Robert Richter <rrichter@amd.com>
> Reviewed-by: Gregory Price <gourry@gourry.net>
> Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
> Reviewed-by: Dave Jiang <dave.jiang@intel.com>
> Tested-by: Gregory Price <gourry@gourry.net>
> ---
Reviewed-by: Fabio M. De Francesco <fabio.m.de.francesco@linux.intel.com>
next prev parent reply other threads:[~2025-04-23 20:49 UTC|newest]
Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-03-06 16:44 [PATCH v4 00/14] cxl: Address translation support, part 1: Cleanups and refactoring Robert Richter
2025-03-06 16:44 ` [PATCH v4 01/14] cxl: Remove else after return Robert Richter
2025-03-14 11:27 ` Jonathan Cameron
2025-04-15 21:27 ` Alison Schofield
2025-04-18 16:23 ` Fabio M. De Francesco
2025-03-06 16:44 ` [PATCH v4 02/14] cxl/pci: Moving code in cxl_hdm_decode_init() Robert Richter
2025-03-14 11:31 ` Jonathan Cameron
2025-04-15 21:29 ` Alison Schofield
2025-04-18 16:28 ` Fabio M. De Francesco
2025-03-06 16:44 ` [PATCH v4 03/14] cxl/pci: Add comments to cxl_hdm_decode_init() Robert Richter
2025-03-14 11:33 ` Jonathan Cameron
2025-04-17 13:11 ` Robert Richter
2025-04-15 21:30 ` Alison Schofield
2025-04-17 13:48 ` Gregory Price
2025-04-18 16:34 ` Fabio M. De Francesco
2025-03-06 16:44 ` [PATCH v4 04/14] cxl: Introduce parent_port_of() helper Robert Richter
2025-03-06 18:57 ` Dan Williams
2025-04-15 21:30 ` Alison Schofield
2025-04-21 17:49 ` Fabio M. De Francesco
2025-03-06 16:44 ` [PATCH v4 05/14] cxl/region: Rename function to cxl_find_decoder_early() Robert Richter
2025-03-06 19:51 ` Dan Williams
2025-03-06 16:44 ` [PATCH v4 06/14] cxl/region: Avoid duplicate call of cxl_find_decoder_early() Robert Richter
2025-03-06 20:01 ` Dan Williams
2025-03-06 16:44 ` [PATCH v4 07/14] cxl/region: Move find_cxl_root() to cxl_add_to_region() Robert Richter
2025-03-06 20:14 ` Dan Williams
2025-04-15 21:32 ` Alison Schofield
2025-04-21 21:21 ` Fabio M. De Francesco
2025-03-06 16:44 ` [PATCH v4 08/14] cxl/region: Factor out code to find the root decoder Robert Richter
2025-03-06 20:35 ` Dan Williams
2025-04-15 21:32 ` Alison Schofield
2025-04-22 16:09 ` Fabio M. De Francesco
2025-03-06 16:44 ` [PATCH v4 09/14] cxl/region: Factor out code to find a root decoder's region Robert Richter
2025-03-06 20:37 ` Dan Williams
2025-04-15 21:33 ` Alison Schofield
2025-04-23 15:32 ` Fabio M. De Francesco
2025-03-06 16:44 ` [PATCH v4 10/14] cxl/region: Add function to find a port's switch decoder by range Robert Richter
2025-03-06 20:55 ` Dan Williams
2025-03-06 16:44 ` [PATCH v4 11/14] cxl/region: Add a dev_warn() on registration failure Robert Richter
2025-03-06 20:57 ` Dan Williams
2025-04-15 21:34 ` Alison Schofield
2025-04-23 20:49 ` Fabio M. De Francesco [this message]
2025-03-06 16:44 ` [PATCH v4 12/14] cxl/region: Add a dev_err() on missing target list entries Robert Richter
2025-03-06 20:58 ` Dan Williams
2025-04-15 21:35 ` Alison Schofield
2025-04-23 20:50 ` Fabio M. De Francesco
2025-03-06 16:44 ` [PATCH v4 13/14] cxl: Add a dev_dbg() when a decoder was added to a port Robert Richter
2025-03-06 21:06 ` Dan Williams
2025-04-29 13:43 ` Robert Richter
2025-04-15 21:36 ` Alison Schofield
2025-03-06 16:44 ` [PATCH v4 14/14] cxl/acpi: Unify CFMWS memory log messages with SRAT messages Robert Richter
2025-03-06 21:12 ` Dan Williams
2025-04-15 23:23 ` [PATCH v4 00/14] cxl: Address translation support, part 1: Cleanups and refactoring Alison Schofield
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