From: Alison Schofield <alison.schofield@intel.com>
To: Robert Richter <rrichter@amd.com>
Cc: 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>,
<linux-cxl@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
Gregory Price <gourry@gourry.net>,
"Fabio M. De Francesco" <fabio.m.de.francesco@linux.intel.com>,
Terry Bowman <terry.bowman@amd.com>
Subject: Re: [PATCH v4 11/14] cxl/region: Add a dev_warn() on registration failure
Date: Tue, 15 Apr 2025 14:34:26 -0700 [thread overview]
Message-ID: <Z_7Q4mgC175aD0cD@aschofie-mobl2.lan> (raw)
In-Reply-To: <20250306164448.3354845-12-rrichter@amd.com>
On Thu, Mar 06, 2025 at 05:44:45PM +0100, 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: Alison Schofield <alison.schofield@intel.com>
next prev parent reply other threads:[~2025-04-15 21:34 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 [this message]
2025-04-23 20:49 ` Fabio M. De Francesco
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
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=Z_7Q4mgC175aD0cD@aschofie-mobl2.lan \
--to=alison.schofield@intel.com \
--cc=Jonathan.Cameron@huawei.com \
--cc=dan.j.williams@intel.com \
--cc=dave.jiang@intel.com \
--cc=dave@stgolabs.net \
--cc=fabio.m.de.francesco@linux.intel.com \
--cc=gourry@gourry.net \
--cc=ira.weiny@intel.com \
--cc=linux-cxl@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=rrichter@amd.com \
--cc=terry.bowman@amd.com \
--cc=vishal.l.verma@intel.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.