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=-8.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS 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 4DDD6C43461 for ; Mon, 19 Apr 2021 10:47:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 31B7F6101E for ; Mon, 19 Apr 2021 10:47:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238317AbhDSKsC (ORCPT ); Mon, 19 Apr 2021 06:48:02 -0400 Received: from pegase1.c-s.fr ([93.17.236.30]:26731 "EHLO pegase1.c-s.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232539AbhDSKr5 (ORCPT ); Mon, 19 Apr 2021 06:47:57 -0400 Received: from localhost (mailhub1-int [192.168.12.234]) by localhost (Postfix) with ESMTP id 4FP3RX3d3FzB09b1; Mon, 19 Apr 2021 12:47:20 +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 PNvDtWqSfhJq; Mon, 19 Apr 2021 12:47:20 +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 4FP3RX2Dw7zB09Zy; Mon, 19 Apr 2021 12:47:20 +0200 (CEST) Received: from localhost (localhost [127.0.0.1]) by messagerie.si.c-s.fr (Postfix) with ESMTP id 2023B8B7BB; Mon, 19 Apr 2021 12:47:25 +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 vL0j2I5OqooE; Mon, 19 Apr 2021 12:47:25 +0200 (CEST) Received: from po16121vm.idsi0.si.c-s.fr (po15451.idsi0.si.c-s.fr [172.25.230.103]) by messagerie.si.c-s.fr (Postfix) with ESMTP id D2F1A8B7B4; Mon, 19 Apr 2021 12:47:24 +0200 (CEST) Received: by po16121vm.idsi0.si.c-s.fr (Postfix, from userid 0) id B2CDC679FC; Mon, 19 Apr 2021 10:47:24 +0000 (UTC) Message-Id: From: Christophe Leroy Subject: [PATCH v2 0/4] Convert powerpc to GENERIC_PTDUMP To: Benjamin Herrenschmidt , Paul Mackerras , Michael Ellerman , Steven Price , akpm@linux-foundation.org, dja@axtens.net Cc: Oliver O'Halloran , linux-arch@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org Date: Mon, 19 Apr 2021 10:47:24 +0000 (UTC) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This series converts powerpc to generic PTDUMP. For that, we first need to add missing hugepd support to pagewalk and ptdump. v2: - Reworked the pagewalk modification to add locking and check ops->pte_entry - Modified powerpc early IO mapping to have gaps between mappings - Removed the logic that checked for contiguous physical memory - Removed the articial level calculation in ptdump_pte_entry(), level 4 is ok for all. - Removed page_size argument to note_page() Christophe Leroy (4): mm: pagewalk: Fix walk for hugepage tables powerpc/mm: Leave a gap between early allocated IO areas powerpc/mm: Properly coalesce pages in ptdump powerpc/mm: Convert powerpc to GENERIC_PTDUMP arch/powerpc/Kconfig | 2 + arch/powerpc/Kconfig.debug | 30 ----- arch/powerpc/mm/Makefile | 2 +- arch/powerpc/mm/ioremap_32.c | 4 +- arch/powerpc/mm/ioremap_64.c | 2 +- arch/powerpc/mm/mmu_decl.h | 2 +- arch/powerpc/mm/ptdump/8xx.c | 6 +- arch/powerpc/mm/ptdump/Makefile | 9 +- arch/powerpc/mm/ptdump/book3s64.c | 6 +- arch/powerpc/mm/ptdump/ptdump.c | 187 ++++++++---------------------- arch/powerpc/mm/ptdump/shared.c | 6 +- mm/pagewalk.c | 58 ++++++++- 12 files changed, 127 insertions(+), 187 deletions(-) -- 2.25.0