1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42
|
// 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
|