From: Jonathan Cameron <Jonathan.Cameron@huawei.com>
To: Robert Richter <rrichter@amd.com>
Cc: 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>,
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 v3 17/18] cxl: Add a dev_dbg() when a decoder was added to a port
Date: Fri, 14 Feb 2025 16:37:24 +0000 [thread overview]
Message-ID: <20250214163724.000003d5@huawei.com> (raw)
In-Reply-To: <20250211095349.981096-18-rrichter@amd.com>
On Tue, 11 Feb 2025 10:53:47 +0100
Robert Richter <rrichter@amd.com> wrote:
> Improve debugging by adding and unifying messages whenever a decoder
> was added to a port. It is especially useful to get the decoder
> mapping of the involved CXL host bridge or PCI device. This avoids a
> complex lookup of the decoder/port/device mappings in sysfs.
>
> Example log messages:
>
> cxl_acpi ACPI0017:00: decoder0.0 added to root0
> cxl_acpi ACPI0017:00: decoder0.1 added to root0
> ...
> pci0000:e0: decoder1.0 added to port1
> pci0000:e0: decoder1.1 added to port1
> ...
> cxl_mem mem0: decoder5.0 added to endpoint5
> cxl_mem mem0: decoder5.1 added to endpoint5
>
> Signed-off-by: Robert Richter <rrichter@amd.com>
> Reviewed-by: Gregory Price <gourry@gourry.net>
> Tested-by: Gregory Price <gourry@gourry.net>
Seems reasonable to me.
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
next prev parent reply other threads:[~2025-02-14 16:37 UTC|newest]
Thread overview: 49+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-02-11 9:53 [PATCH v3 00/18] cxl: Address translation support, part 1: Cleanups and refactoring Robert Richter
2025-02-11 9:53 ` [PATCH v3 01/18] cxl: Remove else after return Robert Richter
2025-02-11 9:53 ` [PATCH v3 02/18] cxl/pci: Moving code in cxl_hdm_decode_init() Robert Richter
2025-02-12 17:57 ` Jonathan Cameron
2025-02-20 1:03 ` Dave Jiang
2025-02-11 9:53 ` [PATCH v3 03/18] cxl/pci: cxl_hdm_decode_init: Move comment Robert Richter
2025-02-12 18:09 ` Jonathan Cameron
2025-02-13 0:35 ` Robert Richter
2025-02-14 15:49 ` Jonathan Cameron
2025-03-06 9:38 ` Robert Richter
2025-02-11 9:53 ` [PATCH v3 04/18] cxl/pci: Add comments to cxl_hdm_decode_init() Robert Richter
2025-02-14 15:51 ` Jonathan Cameron
2025-02-11 9:53 ` [PATCH v3 05/18] cxl: Introduce parent_port_of() helper Robert Richter
2025-02-20 16:12 ` Dave Jiang
2025-02-11 9:53 ` [PATCH v3 06/18] cxl/region: Rename function to cxl_find_decoder_early() Robert Richter
2025-02-14 15:58 ` Jonathan Cameron
2025-03-05 12:48 ` Robert Richter
2025-02-11 9:53 ` [PATCH v3 07/18] cxl/region: Avoid duplicate call of cxl_find_decoder_early() Robert Richter
2025-02-14 16:07 ` Jonathan Cameron
2025-03-06 9:16 ` Robert Richter
2025-02-11 9:53 ` [PATCH v3 08/18] cxl/region: Move find_cxl_root() to cxl_add_to_region() Robert Richter
2025-02-20 16:39 ` Dave Jiang
2025-02-11 9:53 ` [PATCH v3 09/18] cxl/region: Factor out code to find the root decoder Robert Richter
2025-02-20 16:48 ` Dave Jiang
2025-02-11 9:53 ` [PATCH v3 10/18] cxl/region: Factor out code to find a root decoder's region Robert Richter
2025-02-14 16:15 ` Jonathan Cameron
2025-02-20 16:50 ` Dave Jiang
2025-02-11 9:53 ` [PATCH v3 11/18] cxl/region: Split region registration into an initialization and adding part Robert Richter
2025-02-14 16:24 ` Jonathan Cameron
2025-02-11 9:53 ` [PATCH v3 12/18] cxl/region: Use iterator to find the root port in cxl_find_root_decoder() Robert Richter
2025-02-20 17:17 ` Dave Jiang
2025-02-11 9:53 ` [PATCH v3 13/18] cxl/region: Add function to find a port's switch decoder by range Robert Richter
2025-02-14 16:29 ` Jonathan Cameron
2025-02-20 17:23 ` Dave Jiang
2025-02-11 9:53 ` [PATCH v3 14/18] cxl/region: Unfold cxl_find_root_decoder() into cxl_endpoint_decoder_initialize() Robert Richter
2025-02-14 16:33 ` Jonathan Cameron
2025-03-06 16:18 ` Robert Richter
2025-02-11 9:53 ` [PATCH v3 15/18] cxl/region: Add a dev_warn() on registration failure Robert Richter
2025-02-14 16:35 ` Jonathan Cameron
2025-02-20 17:35 ` Dave Jiang
2025-02-11 9:53 ` [PATCH v3 16/18] cxl/region: Add a dev_err() on missing target list entries Robert Richter
2025-02-14 16:36 ` Jonathan Cameron
2025-02-20 17:44 ` Dave Jiang
2025-02-11 9:53 ` [PATCH v3 17/18] cxl: Add a dev_dbg() when a decoder was added to a port Robert Richter
2025-02-14 16:37 ` Jonathan Cameron [this message]
2025-02-20 17:45 ` Dave Jiang
2025-02-11 9:53 ` [PATCH v3 18/18] cxl/acpi: Unify CFMWS memory log messages with SRAT messages Robert Richter
2025-02-14 16:37 ` Jonathan Cameron
2025-02-20 17:46 ` Dave Jiang
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