From: Wade Farnsworth <wade_farnsworth@mentor.com>
Date: Fri, 7 Sep 2012 17:18:25 +0000 (+0100)
Subject: ARM: 7524/1: support syscall tracing
X-Git-Tag: omap-for-v3.7-rc1/fixes-hwmod-clock-signed-v3~1^2~2^7~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1f66e06fb6414732bef7bf4a071ef76a837badec;p=pandora-kernel.git

ARM: 7524/1: support syscall tracing

As specified by ftrace-design.txt, TIF_SYSCALL_TRACEPOINT was
added, as well as NR_syscalls in asm/unistd.h.  Additionally,
__sys_trace was modified to call trace_sys_enter and
trace_sys_exit when appropriate.

Tests #2 - #4 of "perf test" now complete successfully.

Signed-off-by: Steven Walter <stevenrwalter@gmail.com>
Signed-off-by: Wade Farnsworth <wade_farnsworth@mentor.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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