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=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS 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 B6080ECDFB0 for ; Fri, 13 Jul 2018 16:23:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 427E020840 for ; Fri, 13 Jul 2018 16:23:33 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 427E020840 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=c-s.fr 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 S1731446AbeGMQiu (ORCPT ); Fri, 13 Jul 2018 12:38:50 -0400 Received: from pegase1.c-s.fr ([93.17.236.30]:20910 "EHLO pegase1.c-s.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729779AbeGMQiu (ORCPT ); Fri, 13 Jul 2018 12:38:50 -0400 Received: from localhost (mailhub1-int [192.168.12.234]) by localhost (Postfix) with ESMTP id 41Rylk18chz9ttFX; Fri, 13 Jul 2018 18:23:14 +0200 (CEST) X-Virus-Scanned: Debian amavisd-new at c-s.fr Received: from pegase1.c-s.fr ([192.168.12.234]) by localhost (pegase1.c-s.fr [192.168.12.234]) (amavisd-new, port 10024) with ESMTP id r2J8o7dh7j7g; Fri, 13 Jul 2018 18:23:14 +0200 (CEST) Received: from messagerie.si.c-s.fr (messagerie.si.c-s.fr [192.168.25.192]) by pegase1.c-s.fr (Postfix) with ESMTP id 41Rylk0DkPz9ttCT; Fri, 13 Jul 2018 18:23:14 +0200 (CEST) Received: from localhost (localhost [127.0.0.1]) by messagerie.si.c-s.fr (Postfix) with ESMTP id 4E4908B8A8; Fri, 13 Jul 2018 18:23:30 +0200 (CEST) X-Virus-Scanned: amavisd-new at c-s.fr Received: from messagerie.si.c-s.fr ([127.0.0.1]) by localhost (messagerie.si.c-s.fr [127.0.0.1]) (amavisd-new, port 10023) with ESMTP id aWIK0WLWb1sD; Fri, 13 Jul 2018 18:23:30 +0200 (CEST) Received: from po14934vm.idsi0.si.c-s.fr (po15451.idsi0.si.c-s.fr [172.25.231.4]) by messagerie.si.c-s.fr (Postfix) with ESMTP id 232818B75A; Fri, 13 Jul 2018 18:23:30 +0200 (CEST) Received: by po14934vm.idsi0.si.c-s.fr (Postfix, from userid 0) id E7E81711EC; Fri, 13 Jul 2018 16:23:29 +0000 (UTC) Message-Id: From: Christophe Leroy Subject: [RFC PATCH v1 0/4] KASAN for nohash PPC32 To: Benjamin Herrenschmidt , Paul Mackerras , Michael Ellerman , npiggin@gmail.com, aneesh.kumar@linux.ibm.com Cc: linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-mm@kvack.org Date: Fri, 13 Jul 2018 16:23:29 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This serie adds support to nohash PPC32 Tested on MPC8xx Christophe Leroy (4): powerpc/mm: prepare kernel for KAsan on PPC32 powerpc: add missing header in pgtable-types.h powerpc/32: Move early_init() in a separate file powerpc/nohash32: Add KASAN support arch/powerpc/Kconfig | 1 + arch/powerpc/include/asm/kasan.h | 21 ++++++++ arch/powerpc/include/asm/nohash/32/pgtable.h | 2 + arch/powerpc/include/asm/pgtable-types.h | 2 + arch/powerpc/include/asm/ppc_asm.h | 5 ++ arch/powerpc/include/asm/setup.h | 5 ++ arch/powerpc/include/asm/string.h | 14 ++++++ arch/powerpc/kernel/Makefile | 5 +- arch/powerpc/kernel/cputable.c | 4 +- arch/powerpc/kernel/early_32.c | 35 +++++++++++++ arch/powerpc/kernel/setup-common.c | 2 + arch/powerpc/kernel/setup_32.c | 33 ++----------- arch/powerpc/lib/Makefile | 2 + arch/powerpc/lib/copy_32.S | 9 ++-- arch/powerpc/mm/Makefile | 3 ++ arch/powerpc/mm/dump_linuxpagetables.c | 8 +++ arch/powerpc/mm/kasan_init.c | 73 ++++++++++++++++++++++++++++ arch/powerpc/mm/mem.c | 4 ++ 18 files changed, 193 insertions(+), 35 deletions(-) create mode 100644 arch/powerpc/include/asm/kasan.h create mode 100644 arch/powerpc/kernel/early_32.c create mode 100644 arch/powerpc/mm/kasan_init.c -- 2.13.3