From 279d1a72c0f8021520f68ddb0a1346ff9ba1ea8c Mon Sep 17 00:00:00 2001
From: Sachin Sant <sachinp@linux.ibm.com>
Date: Thu, 6 Jan 2022 16:33:53 +0530
Subject: [PATCH] powerpc/xive: Export XIVE IPI information for online-only
processors.
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References: bsc#1194409 ltc#195810
Patch-mainline: v5.18-rc1
Git-commit: 279d1a72c0f8021520f68ddb0a1346ff9ba1ea8c
Cédric pointed out that XIVE IPI information exported via sysfs
(debug/powerpc/xive) display empty lines for processors which are
not online.
Switch to using for_each_online_cpu() so that information is
displayed for online-only processors.
Reported-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: Sachin Sant <sachinp@linux.ibm.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/164146703333.19039.10920919226094771665.sendpatchset@MacBook-Pro.local
Acked-by: Michal Suchanek <msuchanek@suse.de>
---
arch/powerpc/sysdev/xive/common.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/powerpc/sysdev/xive/common.c b/arch/powerpc/sysdev/xive/common.c
index 1ca5564bda9d..32863b4daf72 100644
--- a/arch/powerpc/sysdev/xive/common.c
+++ b/arch/powerpc/sysdev/xive/common.c
@@ -1791,7 +1791,7 @@ static int xive_ipi_debug_show(struct seq_file *m, void *private)
if (xive_ops->debug_show)
xive_ops->debug_show(m, private);
- for_each_possible_cpu(cpu)
+ for_each_online_cpu(cpu)
xive_debug_show_ipi(m, cpu);
return 0;
}
--
2.31.1