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=-6.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 0DFFBC32753 for ; Wed, 14 Aug 2019 12:36:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D6A9C214DA for ; Wed, 14 Aug 2019 12:36:27 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=c-s.fr header.i=@c-s.fr header.b="dh8izLOP" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727664AbfHNMgM (ORCPT ); Wed, 14 Aug 2019 08:36:12 -0400 Received: from pegase1.c-s.fr ([93.17.236.30]:53457 "EHLO pegase1.c-s.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725800AbfHNMgL (ORCPT ); Wed, 14 Aug 2019 08:36:11 -0400 Received: from localhost (mailhub1-int [192.168.12.234]) by localhost (Postfix) with ESMTP id 467pwS4ckmz9v0dH; Wed, 14 Aug 2019 14:36:08 +0200 (CEST) Authentication-Results: localhost; dkim=pass reason="1024-bit key; insecure key" header.d=c-s.fr header.i=@c-s.fr header.b=dh8izLOP; dkim-adsp=pass; dkim-atps=neutral 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 wBCHr_sXx0qq; Wed, 14 Aug 2019 14:36:08 +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 467pwS3CNQz9v0QX; Wed, 14 Aug 2019 14:36:08 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=c-s.fr; s=mail; t=1565786168; bh=MWqbG02vkZmNYQgLQGkfZFOAvx7JkFoLhh24LWW8kCI=; h=From:Subject:To:Cc:Date:From; b=dh8izLOPZYR8ldqOQVPvsQ6hvHulPJd60EPpHHy6fzWjMHpNgxZWDv8uBAdGXzt70 CQSZGUMgAwoGrYE5np0E2jQDNiRvxkf2Ke3EPDvxnpZp+Fd59EC0PSIAW+N70Ntqje IZAD04osr73vdQW0DGq2grwKvhmn2CxMzNNpNIaA= Received: from localhost (localhost [127.0.0.1]) by messagerie.si.c-s.fr (Postfix) with ESMTP id EBA778B7F5; Wed, 14 Aug 2019 14:36:09 +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 i4GER-nDqlfb; Wed, 14 Aug 2019 14:36:09 +0200 (CEST) Received: from pc17473vm.idsi0.si.c-s.fr (po15451.idsi0.si.c-s.fr [172.25.230.101]) by messagerie.si.c-s.fr (Postfix) with ESMTP id C63568B761; Wed, 14 Aug 2019 14:36:09 +0200 (CEST) Received: by pc17473vm.idsi0.si.c-s.fr (Postfix, from userid 0) id 905886B6C0; Wed, 14 Aug 2019 12:36:09 +0000 (UTC) Message-Id: From: Christophe Leroy Subject: [PATCH 1/5] powerpc/ptdump: fix addresses display on PPC32 To: Benjamin Herrenschmidt , Paul Mackerras , Michael Ellerman Cc: linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org Date: Wed, 14 Aug 2019 12:36:09 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit 453d87f6a8ae ("powerpc/mm: Warn if W+X pages found on boot") wrongly changed KERN_VIRT_START from 0 to PAGE_OFFSET, leading to a shift in the displayed addresses. Lets revert that change to resync walk_pagetables()'s addr val and pgd_t pointer for PPC32. Fixes: 453d87f6a8ae ("powerpc/mm: Warn if W+X pages found on boot") Cc: stable@vger.kernel.org Signed-off-by: Christophe Leroy --- arch/powerpc/mm/ptdump/ptdump.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/powerpc/mm/ptdump/ptdump.c b/arch/powerpc/mm/ptdump/ptdump.c index 6a88a9f585d4..3ad64fc11419 100644 --- a/arch/powerpc/mm/ptdump/ptdump.c +++ b/arch/powerpc/mm/ptdump/ptdump.c @@ -27,7 +27,7 @@ #include "ptdump.h" #ifdef CONFIG_PPC32 -#define KERN_VIRT_START PAGE_OFFSET +#define KERN_VIRT_START 0 #endif /* -- 2.13.3