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

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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>
This commit is contained in:
Ingo Molnar 2011-05-18 21:00:44 +02:00
parent 01ed58abec
commit b313207286
1 changed files with 8 additions and 0 deletions
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8
tools/perf/util/include/asm/alternative-asm.h Normal file
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#ifndef _PERF_ASM_ALTERNATIVE_ASM_H
#define _PERF_ASM_ALTERNATIVE_ASM_H
/* Just disable it so we can build arch/x86/lib/memcpy_64.S for perf bench: */
#define altinstruction_entry #
#endif