linux-kernel - [PATCH v6 6/7] ACPI/NUMA: Add log messages for memory ranges found in CEDT

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Message-ID: <20240430092200.2335887-7-rrichter@amd.com>
Date: Tue, 30 Apr 2024 11:21:59 +0200
From: Robert Richter <rrichter@....com>
To: "Rafael J. Wysocki" <rafael@...nel.org>
CC: Dave Hansen <dave.hansen@...ux.intel.com>, Dan Williams
	<dan.j.williams@...el.com>, Alison Schofield <alison.schofield@...el.com>,
	<linux-acpi@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<linux-cxl@...r.kernel.org>, Robert Richter <rrichter@....com>, Len Brown
	<lenb@...nel.org>
Subject: [PATCH v6 6/7] ACPI/NUMA: Add log messages for memory ranges found in CEDT

Adding a pr_info() when successfully adding a CFMWS memory range.

Suggested-by: Alison Schofield <alison.schofield@...el.com>
Signed-off-by: Robert Richter <rrichter@....com>
---
 drivers/acpi/numa/srat.c | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/drivers/acpi/numa/srat.c b/drivers/acpi/numa/srat.c
index 76b39a6d3aef..34ecf2dc912f 100644
--- a/drivers/acpi/numa/srat.c
+++ b/drivers/acpi/numa/srat.c
@@ -339,8 +339,12 @@ static int __init acpi_parse_cfmws(union acpi_subtable_headers *header,
 	 * window.
 	 */
 	modified = numa_fill_memblks(start, end);
-	if (modified != NUMA_NO_MEMBLK)
+	if (modified != NUMA_NO_MEMBLK) {
+		if (modified)
+			pr_info("CEDT: memblk extended [mem %#010Lx-%#010Lx]\n",
+				(unsigned long long) start, (unsigned long long) end - 1);
 		return 0;
+	}
 
 	/* No SRAT description. Create a new node. */
 	node = acpi_map_pxm_to_node(*fake_pxm);
@@ -355,8 +359,13 @@ static int __init acpi_parse_cfmws(union acpi_subtable_headers *header,
 		pr_warn("ACPI NUMA: Failed to add memblk for CFMWS node %d [mem %#llx-%#llx]\n",
 			node, start, end);
 	}
+
 	node_set(node, numa_nodes_parsed);
 
+	pr_info("CEDT: Node %u PXM %u [mem %#010Lx-%#010Lx]\n",
+		node, *fake_pxm,
+		(unsigned long long) start, (unsigned long long) end - 1);
+
 	/* Set the next available fake_pxm value */
 	(*fake_pxm)++;
 	return 0;
-- 
2.39.2