Commit 78a9909a authored Apr 17, 2008 by Ingo Molnar

x86, tracing: add notrace to asm-x86/linkage.h



notrace signals that a function should not be traced. Most of the
time this is used by tracers to annotate code that cannot be
traced - it's in a volatile state (such as in user vdso context
or NMI context) or it's in the tracer internals.

Signed-off-by: Ingo Molnar <mingo@elte.hu>

parent 11ae9dd4

include/asm-x86/linkage.h

+3 −0

Original line number	Diff line number	Diff line
		#ifndef __ASM_LINKAGE_H
		#define __ASM_LINKAGE_H

		#undef notrace
		#define notrace __attribute__((no_instrument_function))

		#ifdef CONFIG_X86_64
		#define __ALIGN .p2align 4,,15
		#define __ALIGN_STR ".p2align 4,,15"