linux/arch/x86/kernel/tracepoint.c
Borislav Petkov ad3bc25a32 x86/kernel: Fix more -Wmissing-prototypes warnings
... with the goal of eventually enabling -Wmissing-prototypes by
default. At least on x86.

Make functions static where possible, otherwise add prototypes or make
them visible through includes.

asm/trace/ changes courtesy of Steven Rostedt <rostedt@goodmis.org>.

Signed-off-by: Borislav Petkov <bp@suse.de>
Reviewed-by: Masami Hiramatsu <mhiramat@kernel.org>
Reviewed-by: Ingo Molnar <mingo@kernel.org>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> # ACPI + cpufreq bits
Cc: Andrew Banman <andrew.banman@hpe.com>
Cc: Dimitri Sivanich <dimitri.sivanich@hpe.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Mike Travis <mike.travis@hpe.com>
Cc: "Steven Rostedt (VMware)" <rostedt@goodmis.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Yi Wang <wang.yi59@zte.com.cn>
Cc: linux-acpi@vger.kernel.org
2018-12-08 12:24:35 +01:00

45 lines
793 B
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>
#include <asm/trace/exceptions.h>
#include <asm/trace/irq_vectors.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