Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752784AbaBLBdg (ORCPT ); Tue, 11 Feb 2014 20:33:36 -0500 Received: from smtp.codeaurora.org ([198.145.11.231]:44379 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751656AbaBLBdc (ORCPT ); Tue, 11 Feb 2014 20:33:32 -0500 From: Laura Abbott To: Grant Likely , Rob Herring , Arnd Bergmann Cc: Laura Abbott , linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Kumar Gala , Kees Cook Subject: [RFC/PATCH 2/3] arm: Add ARCH_WANT_OF_RANDOMNESS Date: Tue, 11 Feb 2014 17:33:24 -0800 Message-Id: <1392168805-14200-3-git-send-email-lauraa@codeaurora.org> X-Mailer: git-send-email 1.7.8.3 In-Reply-To: <1392168805-14200-1-git-send-email-lauraa@codeaurora.org> References: <1392168805-14200-1-git-send-email-lauraa@codeaurora.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The stack canary for ARM is currently the same across reboots due to lack of randomness early enough. Add ARCH_WANT_OF_RANDOMNESS to allow devices to add whatever randomness they need. Signed-off-by: Laura Abbott --- arch/arm/Kconfig | 3 +++ arch/arm/kernel/vmlinux.lds.S | 1 + 2 files changed, 4 insertions(+), 0 deletions(-) diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index e254198..7ab0db1 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -222,6 +222,9 @@ config NEED_RET_TO_USER config ARCH_MTD_XIP bool +config ARCH_WANT_OF_RANDOMNESS + def_bool n + config VECTORS_BASE hex default 0xffff0000 if MMU || CPU_HIGH_VECTOR diff --git a/arch/arm/kernel/vmlinux.lds.S b/arch/arm/kernel/vmlinux.lds.S index 7bcee5c..2198258 100644 --- a/arch/arm/kernel/vmlinux.lds.S +++ b/arch/arm/kernel/vmlinux.lds.S @@ -202,6 +202,7 @@ SECTIONS INIT_SETUP(16) INIT_CALLS CON_INITCALL + EARLY_RANDOM_FUNCS SECURITY_INITCALL INIT_RAM_FS } -- The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, hosted by The Linux Foundation -- 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/