From 958e46acc8e900e8569dd467c1af9b8d2d019394 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Sat, 09 Dec 2023 08:38:54 +0000
Subject: [PATCH] disable cpu isolcpus
---
kernel/arch/powerpc/platforms/powernv/smp.c | 13 ++++++-------
1 files changed, 6 insertions(+), 7 deletions(-)
diff --git a/kernel/arch/powerpc/platforms/powernv/smp.c b/kernel/arch/powerpc/platforms/powernv/smp.c
index 889c3db..cbb6781 100644
--- a/kernel/arch/powerpc/platforms/powernv/smp.c
+++ b/kernel/arch/powerpc/platforms/powernv/smp.c
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* SMP support for PowerNV machines.
*
* Copyright 2011 IBM Corp.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
*/
#include <linux/kernel.h>
@@ -147,6 +143,9 @@
xive_smp_disable_cpu();
else
xics_migrate_irqs_away();
+
+ cleanup_cpu_mmu_context();
+
return 0;
}
@@ -162,7 +161,7 @@
}
}
-static void pnv_smp_cpu_kill_self(void)
+static void pnv_cpu_offline_self(void)
{
unsigned long srr1, unexpected_mask, wmask;
unsigned int cpu;
@@ -421,6 +420,7 @@
#ifdef CONFIG_HOTPLUG_CPU
.cpu_disable = pnv_smp_cpu_disable,
.cpu_die = generic_cpu_die,
+ .cpu_offline_self = pnv_cpu_offline_self,
#endif /* CONFIG_HOTPLUG_CPU */
};
@@ -434,7 +434,6 @@
smp_ops = &pnv_smp_ops;
#ifdef CONFIG_HOTPLUG_CPU
- ppc_md.cpu_die = pnv_smp_cpu_kill_self;
#ifdef CONFIG_KEXEC_CORE
crash_wake_offline = 1;
#endif
--
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