From: tip-bot for Ingo Molnar <mingo@elte.hu>
To: linux-tip-commits@vger.kernel.org
Cc: linux-kernel@vger.kernel.org, acme@redhat.com, hpa@zytor.com,
mingo@redhat.com, a.p.zijlstra@chello.nl, efault@gmx.de,
fweisbec@gmail.com, rostedt@goodmis.org, tglx@linutronix.de,
mingo@elte.hu
Subject: [tip:perf/core] perf bench, x86: Add alternatives-asm.h wrapper
Date: Wed, 18 May 2011 20:44:47 GMT [thread overview]
Message-ID: <tip-c5d41xibgullk8h2280q4gv0@git.kernel.org> (raw)
Commit-ID: b313207286a78abac19f1dd2721292eae598b0f5
Gitweb: http://git.kernel.org/tip/b313207286a78abac19f1dd2721292eae598b0f5
Author: Ingo Molnar <mingo@elte.hu>
AuthorDate: Wed, 18 May 2011 21:00:44 +0200
Committer: Ingo Molnar <mingo@elte.hu>
CommitDate: Wed, 18 May 2011 21:00:44 +0200
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>
---
tools/perf/util/include/asm/alternative-asm.h | 8 ++++++++
1 files changed, 8 insertions(+), 0 deletions(-)
diff --git a/tools/perf/util/include/asm/alternative-asm.h b/tools/perf/util/include/asm/alternative-asm.h
new file mode 100644
index 0000000..6789d78
--- /dev/null
+++ b/tools/perf/util/include/asm/alternative-asm.h
@@ -0,0 +1,8 @@
+#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
reply other threads:[~2011-05-18 20:45 UTC|newest]
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