From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756718AbbAGHnF (ORCPT ); Wed, 7 Jan 2015 02:43:05 -0500 Received: from szxga02-in.huawei.com ([119.145.14.65]:1042 "EHLO szxga02-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753378AbbAGHnC (ORCPT ); Wed, 7 Jan 2015 02:43:02 -0500 From: Wang Nan To: , , , , , , , , CC: , , Subject: [RFC PATCH 11/11] kprobes: add CONFIG_EARLY_KPROBES option. Date: Wed, 7 Jan 2015 15:36:08 +0800 Message-ID: <1420616168-43196-1-git-send-email-wangnan0@huawei.com> X-Mailer: git-send-email 1.8.4 In-Reply-To: <1420616086-42692-1-git-send-email-wangnan0@huawei.com> References: <1420616086-42692-1-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 Enable early kprobes in Kconfig. Signed-off-by: Wang Nan --- 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