linux-kernel - [PATCH 4/7] tracing: Define NR

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Date:	Thu, 27 Aug 2009 19:43:32 +0200
From:	Frederic Weisbecker <fweisbec@...il.com>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	Jason Baron <jbaron@...hat.com>,
	Paul Mundt <lethal@...ux-sh.org>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Ingo Molnar <mingo@...e.hu>,
	Lai Jiangshan <laijs@...fujitsu.com>,
	Steven Rostedt <rostedt@...dmis.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca>,
	Jiaying Zhang <jiayingz@...gle.com>,
	Martin Bligh <mbligh@...gle.com>,
	Li Zefan <lizf@...fujitsu.com>,
	Josh Stone <jistone@...hat.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anwin" <hpa@...or.com>,
	Hendrik Brueckner <brueckner@...ux.vnet.ibm.com>,
	Heiko Carstens <heiko.carstens@...ibm.com>
Subject: [PATCH 4/7] tracing: Define NR_syscalls for x86 (32)

From: Jason Baron <jbaron@...hat.com>

Add a NR_syscalls #define for x86. This is used in the syscall events
tracing code. Todo: make it dynamic like x86_64.

NR_syscalls is the usual name used to determine the number of syscalls
supported by the current arch. We want to unify the use of this number
across archs that support the syscall tracing. This also prepare to move
some of the arch code to core code in the syscall tracing area.

Signed-off-by: Jason Baron <jbaron@...hat.com>
Cc: Paul Mundt <lethal@...ux-sh.org>
Cc: Frederic Weisbecker <fweisbec@...il.com>
Cc: Ingo Molnar <mingo@...e.hu>
Cc: Lai Jiangshan <laijs@...fujitsu.com>
Cc: Steven Rostedt <rostedt@...dmis.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca>
Cc: Jiaying Zhang <jiayingz@...gle.com>
Cc: Martin Bligh <mbligh@...gle.com>
Cc: Li Zefan <lizf@...fujitsu.com>
Cc: Josh Stone <jistone@...hat.com>
Cc: Thomas Gleixner <tglx@...utronix.de>
Cc: H. Peter Anwin <hpa@...or.com>
Cc: Hendrik Brueckner <brueckner@...ux.vnet.ibm.com>
Cc: Heiko Carstens <heiko.carstens@...ibm.com>
LKML-Reference: <0f33c0f96d198fccc3ddd9ff7f5334ff5cb42706.1251146513.git.jbaron@...hat.com>
Signed-off-by: Frederic Weisbecker <fweisbec@...il.com>
---
 arch/x86/include/asm/unistd_32.h |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/arch/x86/include/asm/unistd_32.h b/arch/x86/include/asm/unistd_32.h
index 732a307..8deaada 100644
--- a/arch/x86/include/asm/unistd_32.h
+++ b/arch/x86/include/asm/unistd_32.h
@@ -345,6 +345,8 @@
 
 #ifdef __KERNEL__
 
+#define NR_syscalls 337
+
 #define __ARCH_WANT_IPC_PARSE_VERSION
 #define __ARCH_WANT_OLD_READDIR
 #define __ARCH_WANT_OLD_STAT
-- 
1.6.2.3

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