linux-kernel - [PATCH v4 6/7] ACPI/NUMA: Add log messages for memory ranges found in CEDT

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Date: Wed, 24 Apr 2024 17:48:45 +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 v4 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 | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/drivers/acpi/numa/srat.c b/drivers/acpi/numa/srat.c
index e3f26e71637a..c62e4636e472 100644
--- a/drivers/acpi/numa/srat.c
+++ b/drivers/acpi/numa/srat.c
@@ -338,8 +338,11 @@ static int __init acpi_parse_cfmws(union acpi_subtable_headers *header,
 	 * found for any portion of the window to cover the entire
 	 * window.
 	 */
-	if (!numa_fill_memblks(start, end))
+	if (!numa_fill_memblks(start, end)) {
+		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);
@@ -354,8 +357,13 @@ 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