linux-kernel - [PATCH] x86: compile insn.c and inat.c only for KPROBES

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Message-ID: <878wdg8icq.fsf@devron.myhome.or.jp>
Date:	Sun, 06 Dec 2009 20:14:29 +0900
From:	OGAWA Hirofumi <hirofumi@...l.parknet.co.jp>
To:	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>, x86@...nel.org,
	Masami Hiramatsu <mhiramat@...hat.com>
Cc:	linux-kernel@...r.kernel.org
Subject: [PATCH] x86: compile insn.c and inat.c only for KPROBES


At least, insn.c and inat.c is needed for kprobe for now. So, this
compile those only if KPROBES is enabled.

Signed-off-by: OGAWA Hirofumi <hirofumi@...l.parknet.co.jp>
---

 arch/x86/Kconfig.debug |    4 ++--
 arch/x86/lib/Makefile  |    2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff -L arch/x86/lib/Kconfig -puN /dev/null /dev/null
diff -puN arch/x86/lib/Makefile~kconfig-decoder-only-for-kprobe arch/x86/lib/Makefile
--- linux-2.6/arch/x86/lib/Makefile~kconfig-decoder-only-for-kprobe	2009-12-06 19:49:06.000000000 +0900
+++ linux-2.6-hirofumi/arch/x86/lib/Makefile	2009-12-06 19:49:06.000000000 +0900
@@ -20,7 +20,7 @@ lib-y := delay.o
 lib-y += thunk_$(BITS).o
 lib-y += usercopy_$(BITS).o getuser.o putuser.o
 lib-y += memcpy_$(BITS).o
-lib-y += insn.o inat.o
+lib-$(CONFIG_KPROBES) += insn.o inat.o
 
 obj-y += msr-reg.o msr-reg-export.o
 
diff -puN arch/x86/Kconfig.debug~kconfig-decoder-only-for-kprobe arch/x86/Kconfig.debug
--- linux-2.6/arch/x86/Kconfig.debug~kconfig-decoder-only-for-kprobe	2009-12-06 19:49:06.000000000 +0900
+++ linux-2.6-hirofumi/arch/x86/Kconfig.debug	2009-12-06 19:49:06.000000000 +0900
@@ -187,8 +187,8 @@ config HAVE_MMIOTRACE_SUPPORT
 	def_bool y
 
 config X86_DECODER_SELFTEST
-     bool "x86 instruction decoder selftest"
-     depends on DEBUG_KERNEL
+	bool "x86 instruction decoder selftest"
+	depends on DEBUG_KERNEL && KPROBES
 	---help---
 	 Perform x86 instruction decoder selftests at build time.
 	 This option is useful for checking the sanity of x86 instruction
_

-- 
OGAWA Hirofumi <hirofumi@...l.parknet.co.jp>
--
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