swh:1:snp:c3bf2749e3476071fa748f67b0ffa2fdc5fe49d9
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Tip revision: bebc6082da0a9f5d47a1ea2edc099bf671058bd4 authored by Linus Torvalds on 12 November 2017, 18:46:13 UTC
Linux 4.14
Tip revision: bebc608
tracepoint.c
// SPDX-License-Identifier: GPL-2.0
/*
 * Code for supporting irq vector tracepoints.
 *
 * Copyright (C) 2013 Seiji Aguchi <seiji.aguchi@hds.com>
 *
 */
#include <linux/jump_label.h>
#include <linux/atomic.h>

#include <asm/hw_irq.h>
#include <asm/desc.h>

DEFINE_STATIC_KEY_FALSE(trace_pagefault_key);

int trace_pagefault_reg(void)
{
	static_branch_inc(&trace_pagefault_key);
	return 0;
}

void trace_pagefault_unreg(void)
{
	static_branch_dec(&trace_pagefault_key);
}

#ifdef CONFIG_SMP

DEFINE_STATIC_KEY_FALSE(trace_resched_ipi_key);

int trace_resched_ipi_reg(void)
{
	static_branch_inc(&trace_resched_ipi_key);
	return 0;
}

void trace_resched_ipi_unreg(void)
{
	static_branch_dec(&trace_resched_ipi_key);
}

#endif
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