From 31dea01f3a47aa6374560638486879e5129f9c94 Mon Sep 17 00:00:00 2001
From: Kairui Song <kasong@redhat.com>
Date: Thu, 28 Jan 2021 15:24:32 +0800
Subject: [PATCH] Also fetch node info for non-PCI devices

non-PCI devices could also be bind to a certain node. So if failed to
fetch the info from sysfs, try to get it from /proc/irq/<irq>/node.

Conflict:NA
Reference:https://github.com/Irqbalance/irqbalance/commit/31dea01f3a47aa6374560638486879e5129f9c94
---
 classify.c | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/classify.c b/classify.c
index beb2919..105ecd6 100644
--- a/classify.c
+++ b/classify.c
@@ -361,9 +361,14 @@ static struct irq_info *add_one_irq_to_db(const char *devpath, struct irq_info *
 
 get_numa_node:
 	numa_node = NUMA_NO_NODE;
-	if (devpath != NULL && numa_avail) {
-		sprintf(path, "%s/numa_node", devpath);
-		process_one_line(path, get_int, &numa_node);
+	if (numa_avail) {
+		if (devpath != NULL) {
+			sprintf(path, "%s/numa_node", devpath);
+			process_one_line(path, get_int, &numa_node);
+		} else {
+			sprintf(path, "/proc/irq/%i/node", irq);
+			process_one_line(path, get_int, &numa_node);
+		}
 	}
 
 	if (pol->numa_node_set == 1)
-- 
2.23.0