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=-6.0 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_PASS,USER_AGENT_GIT autolearn=unavailable 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 118F7C43381 for ; Mon, 1 Apr 2019 17:56:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id CA3D92084B for ; Mon, 1 Apr 2019 17:56:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1554141400; bh=JJEyhfgsZDb2T9ZOumSdkfShZ6hu6ZJhMRpGMDGl3FM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=ru0sO/nuBKrQBg2oLwPIyclx1OJukMV4L0/YuLn3sA0rJO34aIGV+ogwRlPIrN2NH nyDxvJyVc7nWqeua8GrGRqFO+Z3KbdGSwVgAOBiNLPbOb+3tNKggVjb9ym0/qDgeR6 WrXzAkIwJRguANzLYfw5NCWjpKZFR9fPbuCjp1SA= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731375AbfDARVU (ORCPT ); Mon, 1 Apr 2019 13:21:20 -0400 Received: from mail.kernel.org ([198.145.29.99]:49896 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731546AbfDARVT (ORCPT ); Mon, 1 Apr 2019 13:21:19 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.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 96AA120883; Mon, 1 Apr 2019 17:21:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1554139279; bh=JJEyhfgsZDb2T9ZOumSdkfShZ6hu6ZJhMRpGMDGl3FM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=0PrdzLAe/byb69TGWRIBqkxXKI6uaEfTNm4yllnGFWnmKlEqo7ZWbggIx5tQ/vlbX NVITU73LYVKZgePNYyl7m70Tq+ARsxgZNkzVs+qJkeNUks0rIRrYKMI7RUypFydy+m oqRM4KsOIDIaG+PSwiyocNfEuHL1KiZYKo8RtTrg= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Michal Suchanek , Michael Ellerman Subject: [PATCH 4.14 029/107] powerpc/64s: Enhance the information in cpu_show_spectre_v1() Date: Mon, 1 Apr 2019 19:01:44 +0200 Message-Id: <20190401170048.401661802@linuxfoundation.org> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190401170045.246405031@linuxfoundation.org> References: <20190401170045.246405031@linuxfoundation.org> User-Agent: quilt/0.65 X-stable: review X-Patchwork-Hint: ignore MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org 4.14-stable review patch. If anyone has any objections, please let me know. ------------------ From: Michal Suchanek commit a377514519b9a20fa1ea9adddbb4129573129cef upstream. We now have barrier_nospec as mitigation so print it in cpu_show_spectre_v1() when enabled. Signed-off-by: Michal Suchanek Signed-off-by: Michael Ellerman Signed-off-by: Greg Kroah-Hartman --- arch/powerpc/kernel/security.c | 3 +++ 1 file changed, 3 insertions(+) --- a/arch/powerpc/kernel/security.c +++ b/arch/powerpc/kernel/security.c @@ -120,6 +120,9 @@ ssize_t cpu_show_spectre_v1(struct devic if (!security_ftr_enabled(SEC_FTR_BNDS_CHK_SPEC_BAR)) return sprintf(buf, "Not affected\n"); + if (barrier_nospec_enabled) + return sprintf(buf, "Mitigation: __user pointer sanitization\n"); + return sprintf(buf, "Vulnerable\n"); }