Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753141AbbBMFww (ORCPT ); Fri, 13 Feb 2015 00:52:52 -0500 Received: from szxga02-in.huawei.com ([119.145.14.65]:35347 "EHLO szxga02-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753065AbbBMFwu (ORCPT ); Fri, 13 Feb 2015 00:52:50 -0500 From: Wang Nan To: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , CC: , , , Subject: [RFC PATCH v3 21/26] early kprobes: add CONFIG_EARLY_KPROBES option. Date: Fri, 13 Feb 2015 13:41:08 +0800 Message-ID: <1423806068-62359-1-git-send-email-wangnan0@huawei.com> X-Mailer: git-send-email 1.8.4 In-Reply-To: <1423805941-61407-1-git-send-email-wangnan0@huawei.com> References: <1423805941-61407-1-git-send-email-wangnan0@huawei.com> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.107.197.247] X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1109 Lines: 41 Enable early kprobes in Kconfig. Signed-off-by: Wang Nan --- arch/Kconfig | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/arch/Kconfig b/arch/Kconfig index 05d7a8a..32e9f4a 100644 --- a/arch/Kconfig +++ b/arch/Kconfig @@ -46,6 +46,21 @@ config KPROBES for kernel debugging, non-intrusive instrumentation and testing. If in doubt, say "N". +config EARLY_KPROBES + bool "Enable kprobes at very early booting stage" + depends on KPROBES && OPTPROBES + def_bool y + help + Enable kprobe at very early booting stage. + +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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/