From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.5 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2F8C4C43610 for ; Wed, 21 Nov 2018 19:11:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id EAB2321707 for ; Wed, 21 Nov 2018 19:11:02 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="ji0OWqKA" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org EAB2321707 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=linuxfoundation.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388884AbeKVFqd (ORCPT ); Thu, 22 Nov 2018 00:46:33 -0500 Received: from mail.kernel.org ([198.145.29.99]:41814 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730770AbeKVFqc (ORCPT ); Thu, 22 Nov 2018 00:46:32 -0500 Received: from localhost (5356596B.cm-6-7b.dynamic.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 0A8E8214D9; Wed, 21 Nov 2018 19:10:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1542827459; bh=ioZkVmXyxvgRbmGBwTNDvsSyRhIXAzMUJUsYKxTIEpU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ji0OWqKA+njP5GkNHF62qU28OcV0BqYdY3cTZftI1JpUt//2wm+K21CnQMqlWafL6 98Qh7dJFVxeXkgLIrxVqg+CvLFHI6QJFrIVgsp8iM//3fEvQmaS994fGJGPeQeBOL3 3Myl89/IzazQe59SU0V/fLAAGBQtrknYC2BHQgD4= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Russell King , Florian Fainelli , Tony Lindgren , Marc Zyngier , "David A. Long" Subject: [PATCH 4.9 40/59] ARM: spectre: add Kconfig symbol for CPUs vulnerable to Spectre Date: Wed, 21 Nov 2018 20:06:55 +0100 Message-Id: <20181121183509.831297139@linuxfoundation.org> X-Mailer: git-send-email 2.19.1 In-Reply-To: <20181121183508.262873520@linuxfoundation.org> References: <20181121183508.262873520@linuxfoundation.org> User-Agent: quilt/0.65 X-stable: review MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 4.9-stable review patch. If anyone has any objections, please let me know. ------------------ From: Russell King Commit c58d237d0852a57fde9bc2c310972e8f4e3d155d upstream. Add a Kconfig symbol for CPUs which are vulnerable to the Spectre attacks. Signed-off-by: Russell King Reviewed-by: Florian Fainelli Boot-tested-by: Tony Lindgren Reviewed-by: Tony Lindgren Acked-by: Marc Zyngier Signed-off-by: David A. Long Signed-off-by: Greg Kroah-Hartman --- arch/arm/mm/Kconfig | 4 ++++ 1 file changed, 4 insertions(+) --- a/arch/arm/mm/Kconfig +++ b/arch/arm/mm/Kconfig @@ -396,6 +396,7 @@ config CPU_V7 select CPU_CP15_MPU if !MMU select CPU_HAS_ASID if MMU select CPU_PABRT_V7 + select CPU_SPECTRE if MMU select CPU_TLB_V7 if MMU # ARMv7M @@ -800,6 +801,9 @@ config CPU_BPREDICT_DISABLE help Say Y here to disable branch prediction. If unsure, say N. +config CPU_SPECTRE + bool + config TLS_REG_EMUL bool select NEED_KUSER_HELPERS