linux-kernel - [RFC PATCH 11/11] kprobes: add CONFIG_EARLY

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Date:	Wed, 7 Jan 2015 15:42:13 +0800
From:	Wang Nan <wangnan0@...wei.com>
To:	<linux@....linux.org.uk>, <mingo@...hat.com>, <x86@...nel.org>,
	<masami.hiramatsu.pt@...achi.com>,
	<anil.s.keshavamurthy@...el.com>, <davem@...emloft.net>,
	<ananth@...ibm.com>, <dave.long@...aro.org>, <tixy@...aro.org>
CC:	<lizefan@...wei.com>, <linux-arm-kernel@...ts.infradead.org>,
	<linux-kernel@...r.kernel.org>
Subject: [RFC PATCH 11/11] kprobes: add CONFIG_EARLY_KPROBES option.

Enable early kprobes in Kconfig.

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

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
-- 
1.8.4

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