linux/arch/x86/kernel/tracepoint.c
Thomas Gleixner 4b9a8dca0e x86/idt: Remove the tracing IDT completely
No more users of the tracing IDT. All exception tracepoints have been moved
into the regular handlers. Get rid of the mess which shouldn't have been
created in the first place.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Link: http://lkml.kernel.org/r/20170828064957.378851687@linutronix.de
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2017-08-29 11:42:28 +02:00

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449 B
C

/*
* 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_irqvectors_key);
int trace_irq_vector_regfunc(void)
{
static_branch_inc(&trace_irqvectors_key);
return 0;
}
void trace_irq_vector_unregfunc(void)
{
static_branch_dec(&trace_irqvectors_key);
}