From: Jamie Iles <jamie.iles@picochip.com>
Date: Fri, 11 Dec 2009 12:20:09 +0000 (+0000)
Subject: perf tools: Allow building for ARM
X-Git-Tag: v2.6.33-rc1~280^2~10
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=58e9f94138c1d9c47f6a63632ca7a78fc6dcc15f;p=pandora-kernel.git

perf tools: Allow building for ARM

Add definitions of rmb() and cpu_relax() and include the ARM
unistd.h header. The __kuser_memory_barrier helper in the helper
page is used to provide the correct memory barrier depending on
the CPU type.

[ The rmb() will work on v6 and v7, segfault on v5. Dynamic
  detection to add v5 support will be added later. ]

Signed-off-by: Jamie Iles <jamie.iles@picochip.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Mikael Pettersson <mikpe@it.uu.se>
LKML-Reference: <1260534009-5394-1-git-send-email-jamie.iles@picochip.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---

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