disable cpu isolcpus

hc

2023-12-09 958e46acc8e900e8569dd467c1af9b8d2d019394

 kernel/arch/powerpc/platforms/powernv/smp.c
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@@ -1,12 +1,8 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /*
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  * SMP support for PowerNV machines.
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  *
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  * Copyright 2011 IBM Corp.
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- *
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- * This program is free software; you can redistribute it and/or
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- * modify it under the terms of the GNU General Public License
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- * as published by the Free Software Foundation; either version
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- * 2 of the License, or (at your option) any later version.
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  */
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 #include <linux/kernel.h>
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@@ -147,6 +143,9 @@
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 		xive_smp_disable_cpu();
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 	else
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 		xics_migrate_irqs_away();
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+
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+	cleanup_cpu_mmu_context();
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+
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 	return 0;
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 }
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@@ -162,7 +161,7 @@
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 	}
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 }
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-static void pnv_smp_cpu_kill_self(void)
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+static void pnv_cpu_offline_self(void)
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 {
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 	unsigned long srr1, unexpected_mask, wmask;
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 	unsigned int cpu;
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@@ -421,6 +420,7 @@
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 #ifdef CONFIG_HOTPLUG_CPU
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 	.cpu_disable	= pnv_smp_cpu_disable,
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 	.cpu_die	= generic_cpu_die,
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+	.cpu_offline_self = pnv_cpu_offline_self,
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 #endif /* CONFIG_HOTPLUG_CPU */
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 };
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@@ -434,7 +434,6 @@
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 	smp_ops = &pnv_smp_ops;
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 #ifdef CONFIG_HOTPLUG_CPU
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-	ppc_md.cpu_die	= pnv_smp_cpu_kill_self;
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 #ifdef CONFIG_KEXEC_CORE
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 	crash_wake_offline = 1;
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 #endif