disable cpu isolcpus

hc

2023-12-09 958e46acc8e900e8569dd467c1af9b8d2d019394

 kernel/arch/powerpc/sysdev/xive/xive-internal.h
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@@ -1,10 +1,6 @@
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+/* SPDX-License-Identifier: GPL-2.0-or-later */
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 /*
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  * Copyright 2016,2017 IBM Corporation.
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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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 #ifndef __XIVE_INTERNAL_H
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 #define __XIVE_INTERNAL_H
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@@ -44,6 +40,8 @@
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 struct xive_ops {
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 	int	(*populate_irq_data)(u32 hw_irq, struct xive_irq_data *data);
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 	int 	(*configure_irq)(u32 hw_irq, u32 target, u8 prio, u32 sw_irq);
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+	int	(*get_irq_config)(u32 hw_irq, u32 *target, u8 *prio,
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+				  u32 *sw_irq);
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 	int	(*setup_queue)(unsigned int cpu, struct xive_cpu *xc, u8 prio);
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 	void	(*cleanup_queue)(unsigned int cpu, struct xive_cpu *xc, u8 prio);
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 	void	(*setup_cpu)(unsigned int cpu, struct xive_cpu *xc);
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@@ -59,12 +57,14 @@
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 	int	(*get_ipi)(unsigned int cpu, struct xive_cpu *xc);
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 	void	(*put_ipi)(unsigned int cpu, struct xive_cpu *xc);
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 #endif
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+	int	(*debug_show)(struct seq_file *m, void *private);
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 	const char *name;
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 };
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 bool xive_core_init(const struct xive_ops *ops, void __iomem *area, u32 offset,
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 		    u8 max_prio);
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 __be32 *xive_queue_page_alloc(unsigned int cpu, u32 queue_shift);
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+int xive_core_debug_init(void);
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 static inline u32 xive_alloc_order(u32 queue_shift)
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 {