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kprobes: Fix Kconfig dependency

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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: Masami Hiramatsu <[email protected]>
Acked-by: Randy Dunlap <[email protected]>,
Cc: Ananth N Mavinakayanahalli <[email protected]>
Cc: Felipe Contreras <[email protected]>
Cc: Randy Dunlap <[email protected]>
Cc: Ananth N Mavinakayanahalli <[email protected]>
Cc: Anil S Keshavamurthy <[email protected]>
Cc: David S. Miller <[email protected]>
Cc: akpm <[email protected]>
LKML-Reference: <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>
This commit is contained in:
Masami Hiramatsu 2010-09-13 19:25:41 +09:00 • committed by Ingo Molnar
commit 05ed160e89
1 changed files with 2 additions and 2 deletions
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4
arch/Kconfig
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@ -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