[mirror_ubuntu-jammy-kernel.git] / arch / x86_64 / kernel / crash.c

/*
 * Architecture specific (x86_64) functions for kexec based crash dumps.
 *
 * Created by: Hariprasad Nellitheertha (hari@in.ibm.com)
 *
 * Copyright (C) IBM Corporation, 2004. All rights reserved.
 *
 */

#include <linux/init.h>
#include <linux/types.h>
#include <linux/kernel.h>
#include <linux/smp.h>
#include <linux/irq.h>
#include <linux/reboot.h>
#include <linux/kexec.h>

#include <asm/processor.h>
#include <asm/hardirq.h>
#include <asm/nmi.h>
#include <asm/hw_irq.h>

note_buf_t crash_notes[NR_CPUS];

void machine_crash_shutdown(struct pt_regs *regs)
{
	/* This function is only called after the system
	 * has paniced or is otherwise in a critical state.
	 * The minimum amount of code to allow a kexec'd kernel
	 * to run successfully needs to happen here.
	 *
	 * In practice this means shooting down the other cpus in
	 * an SMP system.
	 */
}
Commit	Line	Data
5234f5eb EB	1	/*
	2	* Architecture specific (x86_64) functions for kexec based crash dumps.
	3	*
	4	* Created by: Hariprasad Nellitheertha (hari@in.ibm.com)
	5	*
	6	* Copyright (C) IBM Corporation, 2004. All rights reserved.
	7	*
	8	*/
	9
	10	#include <linux/init.h>
	11	#include <linux/types.h>
	12	#include <linux/kernel.h>
	13	#include <linux/smp.h>
	14	#include <linux/irq.h>
	15	#include <linux/reboot.h>
	16	#include <linux/kexec.h>
	17
	18	#include <asm/processor.h>
	19	#include <asm/hardirq.h>
	20	#include <asm/nmi.h>
	21	#include <asm/hw_irq.h>
	22
5234f5eb EB	23	note_buf_t crash_notes[NR_CPUS];
5234f5eb EB	24
6e274d14	25	void machine_crash_shutdown(struct pt_regs *regs)
5234f5eb EB	26	{
	27	/* This function is only called after the system
	28	* has paniced or is otherwise in a critical state.
	29	* The minimum amount of code to allow a kexec'd kernel
	30	* to run successfully needs to happen here.
	31	*
	32	* In practice this means shooting down the other cpus in
	33	* an SMP system.
	34	*/
	35	}