Eric Lee / smarc-ti-linux-kernel | Embedian Git Server

Commit b313207286a78abac19f1dd2721292eae598b0f5

Authored by Ingo Molnar 2011-05-19 03:00:44 +0800

perf bench, x86: Add alternatives-asm.h wrapper

perf bench needs this to build the kernel's memcpy routine:

In file included from bench/mem-memcpy-x86-64-asm.S:2:0:
bench/../../../arch/x86/lib/memcpy_64.S:7:33: fatal error: asm/alternative-asm.h: No such file or directory

Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Steven Rostedt <rostedt@goodmis.org>
Link: http://lkml.kernel.org/n/tip-c5d41xibgullk8h2280q4gv0@git.kernel.org
Signed-off-by: Ingo Molnar <mingo@elte.hu>

Showing 1 changed file with 8 additions and 0 deletions Side-by-side Diff

tools/perf/util/include/asm/alternative-asm.h

tools/perf/util/include/asm/alternative-asm.h

Diff comments View file @ b313207

	1	+#ifndef _PERF_ASM_ALTERNATIVE_ASM_H
	2	+#define _PERF_ASM_ALTERNATIVE_ASM_H
	3	+
	4	+/* Just disable it so we can build arch/x86/lib/memcpy_64.S for perf bench: */
	5	+
	6	+#define altinstruction_entry #
	7	+
	8	+#endif