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Commit 05ed160e authored by Masami Hiramatsu's avatar Masami Hiramatsu Committed by Ingo Molnar
Browse files

kprobes: Fix Kconfig dependency 



Fix Kconfig dependency among Kprobes, optprobe and kallsyms.

Kprobes uses kallsyms_lookup for finding target function and
checking instruction boundary, thus CONFIG_KPROBES should select
CONFIG_KALLSYMS.

Optprobe is an optional feature which is supported on x86 arch,
and it also uses kallsyms_lookup for checking instructions in
the target function. Since KALLSYMS_ALL just adds symbols of
kernel variables, it doesn't need to select KALLSYMS_ALL.

Signed-off-by: default avatarMasami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Acked-by: default avatarRandy Dunlap <randy.dunlap@oracle.com&gt;,>
Cc: Ananth N Mavinakayanahalli <ananth@in.ibm.com>
Cc: Felipe Contreras <felipe.contreras@gmail.com>
Cc: Randy Dunlap <randy.dunlap@oracle.com>
Cc: Ananth N Mavinakayanahalli <ananth@in.ibm.com>
Cc: Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: akpm <akpm@linux-foundation.org>
LKML-Reference: <20100913102541.20260.85700.stgit@ltc236.sdl.hitachi.co.jp>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent 49553c2e

arch/Kconfig

+2 −2
Original line number Diff line number Diff line
@@ -32,8 +32,9 @@ config HAVE_OPROFILE 


config KPROBES

	bool "Kprobes"

	depends on KALLSYMS && MODULES

	depends on MODULES

	depends on HAVE_KPROBES

	select KALLSYMS

	help

	  Kprobes allows you to trap at almost any kernel address and

	  execute a callback function.  register_kprobe() establishes
@@ -45,7 +46,6 @@ config OPTPROBES 
	def_bool y

	depends on KPROBES && HAVE_OPTPROBES

	depends on !PREEMPT

	select KALLSYMS_ALL



config HAVE_EFFICIENT_UNALIGNED_ACCESS

	bool