linux-kernel - [PATCH -v5 09/11] tracing: add IRQENTRY

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Message-Id: <6ad82af0c2ec8ef7b9f536b0a97bf65d385c3945.1256483735.git.wuzhangjin@gmail.com>
Date:	Sun, 25 Oct 2009 23:17:00 +0800
From:	Wu Zhangjin <wuzhangjin@...il.com>
To:	linux-mips@...ux-mips.org, linux-kernel@...r.kernel.org
Cc:	Wu Zhangjin <wuzhangjin@...il.com>, rostedt@...dmis.org,
	Thomas Gleixner <tglx@...utronix.de>,
	Ralf Baechle <ralf@...ux-mips.org>,
	Nicholas Mc Guire <der.herr@...r.at>,
	Richard Sandiford <rdsandiford@...glemail.com>,
	David Daney <ddaney@...iumnetworks.com>,
	Adam Nemet <anemet@...iumnetworks.com>,
	Patrik Kluba <kpajko79@...il.com>
Subject: [PATCH -v5 09/11] tracing: add IRQENTRY_EXIT for MIPS

This patch fix the following error with FUNCTION_GRAPH_TRACER=y:

kernel/built-in.o: In function `print_graph_irq':
trace_functions_graph.c:(.text+0x6dba0): undefined reference to `__irqentry_text_start'
trace_functions_graph.c:(.text+0x6dba8): undefined reference to `__irqentry_text_start'
trace_functions_graph.c:(.text+0x6dbd0): undefined reference to `__irqentry_text_end'
trace_functions_graph.c:(.text+0x6dbd4): undefined reference to `__irqentry_text_end'

(This patch is need to support function graph tracer of MIPS)

Signed-off-by: Wu Zhangjin <wuzhangjin@...il.com>
---
 arch/mips/kernel/vmlinux.lds.S |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/arch/mips/kernel/vmlinux.lds.S b/arch/mips/kernel/vmlinux.lds.S
index 162b299..f25df73 100644
--- a/arch/mips/kernel/vmlinux.lds.S
+++ b/arch/mips/kernel/vmlinux.lds.S
@@ -46,6 +46,7 @@ SECTIONS
 		SCHED_TEXT
 		LOCK_TEXT
 		KPROBES_TEXT
+		IRQENTRY_TEXT
 		*(.text.*)
 		*(.fixup)
 		*(.gnu.warning)
-- 
1.6.2.1

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