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,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 1BE2BC04E53 for ; Wed, 15 May 2019 12:15:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E181620843 for ; Wed, 15 May 2019 12:15:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1557922539; bh=9jayAmZ96Peb62ShEspgOKUl4shoum84QGi9NLtYeyY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=WPQ4zr0xTQnk6ovC0dvbcIa2lG2aflcTemd4QBWdUIhPwRtCzjP/AxxLarxujkRHd GP9/Ug8oO1RRdW0xIodpqjUtmVSX0rqnoClCONrIuh2Ksu4PZvpMuKoFd7Q6Gq14W2 XtP3NssigMWpMjbkI/tWoXs441VScJ5geqCbHz0Y= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728542AbfEOMPi (ORCPT ); Wed, 15 May 2019 08:15:38 -0400 Received: from mail.kernel.org ([198.145.29.99]:60868 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728147AbfEOLDV (ORCPT ); Wed, 15 May 2019 07:03:21 -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 ECC8C2084F; Wed, 15 May 2019 11:03:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1557918200; bh=9jayAmZ96Peb62ShEspgOKUl4shoum84QGi9NLtYeyY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Ilc1L3WoPp0K7cXPvNNfPmzKkDX0xGKzAGWqhlV8ICMx88IKPej7wBsJY5/PBJU1l hYHi1h+V3GG5FiZTKZIs6wy08Womsk5SB7ctzkrXo8aRXmvbmW73e7/aWpk2viBedl 9R0w1Rl3i26mhGL0WeM32F+3+MHQ4PhzcJ5oWavs= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Michal Suchanek , Michael Ellerman Subject: [PATCH 4.4 043/266] powerpc/64s: Enhance the information in cpu_show_spectre_v1() Date: Wed, 15 May 2019 12:52:30 +0200 Message-Id: <20190515090723.935013021@linuxfoundation.org> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190515090722.696531131@linuxfoundation.org> References: <20190515090722.696531131@linuxfoundation.org> User-Agent: quilt/0.66 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 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 @@ -121,6 +121,9 @@ 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"); }