// SPDX-License-Identifier: GPL-2.0/* * Tracepoint definitions for s390 * * Copyright IBM Corp. 2015 * Author(s): Martin Schwidefsky <schwidefsky@de.ibm.com> */ #include <linux/percpu.h>#define CREATE_TRACE_POINTS#include <asm/trace/diag.h> EXPORT_TRACEPOINT_SYMBOL(s390_diagnose); static DEFINE_PER_CPU(unsigned int, diagnose_trace_depth); void notrace trace_s390_diagnose_norecursion(int diag_nr){	unsigned long flags;	unsigned int *depth; 	/* Avoid lockdep recursion. */	if (IS_ENABLED(CONFIG_LOCKDEP))		return;	local_irq_save(flags);	depth = this_cpu_ptr(&diagnose_trace_depth);	if (*depth == 0) {		(*depth)++;		trace_s390_diagnose(diag_nr);		(*depth)--;	}	local_irq_restore(flags);}