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[RFC,11/11] kprobes: add CONFIG_EARLY_KPROBES option.

Message ID 1420616168-43196-1-git-send-email-wangnan0@huawei.com (mailing list archive)
State New, archived
Headers show

Commit Message

Wang Nan Jan. 7, 2015, 7:36 a.m. UTC 
Enable early kprobes in Kconfig.

Signed-off-by: Wang Nan <wangnan0@huawei.com>
---
 arch/Kconfig | 12 ++++++++++++
 1 file changed, 12 insertions(+)
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Patch

diff --git a/arch/Kconfig b/arch/Kconfig
index 05d7a8a..06dff4b 100644
--- a/arch/Kconfig
+++ b/arch/Kconfig
@@ -46,6 +46,18 @@  config KPROBES
 	  for kernel debugging, non-intrusive instrumentation and testing.
 	  If in doubt, say "N".
 
+config EARLY_KPROBES
+	depends on KPROBES && OPTPROBES
+	def_bool y
+
+config NR_EARLY_KPROBES_SLOTS
+	int "Number of possible early kprobes"
+	range 1 64
+	default 16
+	depends on EARLY_KPROBES
+	help
+	  Number of early kprobes slots.
+
 config JUMP_LABEL
        bool "Optimize very unlikely/likely branches"
        depends on HAVE_ARCH_JUMP_LABEL