linux-kernel - [PATCH] kgdb: Do not allow function tracing of kgdb code

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Message-ID: <1335367093.28106.165.camel@gandalf.stny.rr.com>
Date:	Wed, 25 Apr 2012 11:18:13 -0400
From:	Steven Rostedt <rostedt@...dmis.org>
To:	LKML <linux-kernel@...r.kernel.org>
Cc:	Jason Wessel <jason.wessel@...driver.com>,
	Ingo Molnar <mingo@...e.hu>,
	Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...ux.intel.com>
Subject: [PATCH] kgdb: Do not allow function tracing of kgdb code

As function tracing the kgdb code can cause issues, as kgdb is a
debugger itself, do not trace the kgdb functions.

Signed-off-by: Steven Rostedt <rostedt@...dmis.org>

diff --git a/arch/x86/kernel/Makefile b/arch/x86/kernel/Makefile
index 532d2e0..b7828ce 100644
--- a/arch/x86/kernel/Makefile
+++ b/arch/x86/kernel/Makefile
@@ -15,6 +15,7 @@ CFLAGS_REMOVE_pvclock.o = -pg
 CFLAGS_REMOVE_kvmclock.o = -pg
 CFLAGS_REMOVE_ftrace.o = -pg
 CFLAGS_REMOVE_early_printk.o = -pg
+CFLAGS_REMOVE_kgdb.o = -pg
 endif
 
 obj-y			:= process_$(BITS).o signal.o entry_$(BITS).o


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