Cregit: Linux 5.3: init.c

Contributors: 7
Author	Tokens	Token Proportion	Commits	Commit Proportion
Martin Schwidefsky	28	32.56%	1	10.00%
Heiko Carstens	27	31.40%	3	30.00%
Andrew Morton	16	18.60%	1	10.00%
Andreas Krebbel	8	9.30%	2	20.00%
Akinobu Mita	4	4.65%	1	10.00%
Hendrik Brueckner	2	2.33%	1	10.00%
Greg Kroah-Hartman	1	1.16%	1	10.00%
Total	86		10

// SPDX-License-Identifier: GPL-2.0
/*
 * S390 Version
 *   Copyright IBM Corp. 2002, 2011
 *   Author(s): Thomas Spatzier (tspat@de.ibm.com)
 *   Author(s): Mahesh Salgaonkar (mahesh@linux.vnet.ibm.com)
 *   Author(s): Heinz Graalfs (graalfs@linux.vnet.ibm.com)
 *   Author(s): Andreas Krebbel (krebbel@linux.vnet.ibm.com)
 *
 * @remark Copyright 2002-2011 OProfile authors
 */

#include <linux/oprofile.h>
#include <linux/init.h>
#include <asm/processor.h>
#include <asm/unwind.h>

static void s390_backtrace(struct pt_regs *regs, unsigned int depth)
{
	struct unwind_state state;

	unwind_for_each_frame(&state, current, regs, 0) {
		if (depth-- == 0)
			break;
		oprofile_add_trace(state.ip);
	}
}

int __init oprofile_arch_init(struct oprofile_operations *ops)
{
	ops->backtrace = s390_backtrace;
	return 0;
}

void oprofile_arch_exit(void)
{
}