From patchwork Sun Feb 16 08:18:41 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mike Rapoport X-Patchwork-Id: 11384269 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 56154138D for ; Sun, 16 Feb 2020 08:20:40 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 21B14227BF for ; Sun, 16 Feb 2020 08:20:40 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="wyG8ILgv" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 21B14227BF Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 614926B0010; Sun, 16 Feb 2020 03:20:39 -0500 (EST) Delivered-To: linux-mm-outgoing@kvack.org Received: by kanga.kvack.org (Postfix, from userid 40) id 5C59D6B0078; Sun, 16 Feb 2020 03:20:39 -0500 (EST) X-Original-To: int-list-linux-mm@kvack.org X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 4DB7B6B007B; Sun, 16 Feb 2020 03:20:39 -0500 (EST) X-Original-To: linux-mm@kvack.org X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0149.hostedemail.com [216.40.44.149]) by kanga.kvack.org (Postfix) with ESMTP id 3620E6B0010 for ; Sun, 16 Feb 2020 03:20:39 -0500 (EST) Received: from smtpin18.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay05.hostedemail.com (Postfix) with ESMTP id CD40F181AEF15 for ; Sun, 16 Feb 2020 08:20:38 +0000 (UTC) X-FDA: 76495293756.18.time55_22afc90a7723b X-Spam-Summary: 2,0,0,095c58fee9b26efd,d41d8cd98f00b204,rppt@kernel.org,:linux-kernel@vger.kernel.org:akpm@linux-foundation.org:arnd@arndb.de:benh@kernel.crashing.org:bcain@codeaurora.org:catalin.marinas@arm.com:christophe.leroy@c-s.fr:fenghua.yu@intel.com:geert+renesas@glider.be:gxt@pku.edu.cn:james.morse@arm.com:jonas@southpole.se:julien.thierry.kdev@gmail.com:ley.foon.tan@intel.com:maz@kernel.org:mpe@ellerman.id.au:paulus@samba.org:dalias@libc.org:linux@armlinux.org.uk:shorne@gmail.com:stefan.kristiansson@saunalahti.fi:suzuki.poulose@arm.com:tony.luck@intel.com:will@kernel.org:ysato@users.sourceforge.jp:kvmarm@lists.cs.columbia.edu:kvm-ppc@vger.kernel.org:linux-arch@vger.kernel.org:linux-arm-kernel@lists.infradead.org:linux-hexagon@vger.kernel.org:linux-ia64@vger.kernel.org::linuxppc-dev@lists.ozlabs.org:linux-sh@vger.kernel.org:nios2-dev@lists.rocketboards.org:openrisc@lists.librecores.org:uclinux-h8-devel@lists.sourceforge.jp:rppt@kernel.org:rppt@linux.ibm.com,RULES_HIT: 41:355:3 X-HE-Tag: time55_22afc90a7723b X-Filterd-Recvd-Size: 4182 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by imf22.hostedemail.com (Postfix) with ESMTP for ; Sun, 16 Feb 2020 08:20:38 +0000 (UTC) Received: from aquarius.haifa.ibm.com (nesher1.haifa.il.ibm.com [195.110.40.7]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id EE50024676; Sun, 16 Feb 2020 08:20:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1581841237; bh=fX2jVUBPzvxIFycYqkqAbM2SK2Ye1AXe+sp7QV+wvtQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=wyG8ILgvSwRkhGXdMRYuaCYJ10sWJ2Prl5jx9nANAWJ+zd1vwV4rXp1kAUVqqc33I CwmlIovJ5pVE0Awqis6sq/785iqrRAQ6TG5fp6r8WpxtrqPTVo5mXMWPkZOiqir3uI ZThG2fcOlMP0yTucHdM/fAuOJwKnM1Q1Os6TfsQA= From: Mike Rapoport To: linux-kernel@vger.kernel.org Cc: Andrew Morton , Arnd Bergmann , Benjamin Herrenschmidt , Brian Cain , Catalin Marinas , Christophe Leroy , Fenghua Yu , Geert Uytterhoeven , Guan Xuetao , James Morse , Jonas Bonn , Julien Thierry , Ley Foon Tan , Marc Zyngier , Michael Ellerman , Paul Mackerras , Rich Felker , Russell King , Stafford Horne , Stefan Kristiansson , Suzuki K Poulose , Tony Luck , Will Deacon , Yoshinori Sato , kvmarm@lists.cs.columbia.edu, kvm-ppc@vger.kernel.org, linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-hexagon@vger.kernel.org, linux-ia64@vger.kernel.org, linux-mm@kvack.org, linuxppc-dev@lists.ozlabs.org, linux-sh@vger.kernel.org, nios2-dev@lists.rocketboards.org, openrisc@lists.librecores.org, uclinux-h8-devel@lists.sourceforge.jp, Mike Rapoport , Mike Rapoport Subject: [PATCH v2 11/13] unicore32: remove __ARCH_USE_5LEVEL_HACK Date: Sun, 16 Feb 2020 10:18:41 +0200 Message-Id: <20200216081843.28670-12-rppt@kernel.org> X-Mailer: git-send-email 2.24.0 In-Reply-To: <20200216081843.28670-1-rppt@kernel.org> References: <20200216081843.28670-1-rppt@kernel.org> MIME-Version: 1.0 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: From: Mike Rapoport The unicore32 architecture has 2 level page tables and asm-generic/pgtable-nopmd.h and explicit casts from pud_t to pgd_t for page table folding. Add p4d walk in the only place that actually unfolds the pud level and remove __ARCH_USE_5LEVEL_HACK. Signed-off-by: Mike Rapoport --- arch/unicore32/include/asm/pgtable.h | 1 - arch/unicore32/kernel/hibernate.c | 4 +++- 2 files changed, 3 insertions(+), 2 deletions(-) diff --git a/arch/unicore32/include/asm/pgtable.h b/arch/unicore32/include/asm/pgtable.h index c8f7ba12f309..82030c32fc05 100644 --- a/arch/unicore32/include/asm/pgtable.h +++ b/arch/unicore32/include/asm/pgtable.h @@ -9,7 +9,6 @@ #ifndef __UNICORE_PGTABLE_H__ #define __UNICORE_PGTABLE_H__ -#define __ARCH_USE_5LEVEL_HACK #include #include diff --git a/arch/unicore32/kernel/hibernate.c b/arch/unicore32/kernel/hibernate.c index f3812245cc00..ccad051a79b6 100644 --- a/arch/unicore32/kernel/hibernate.c +++ b/arch/unicore32/kernel/hibernate.c @@ -33,9 +33,11 @@ struct swsusp_arch_regs swsusp_arch_regs_cpu0; static pmd_t *resume_one_md_table_init(pgd_t *pgd) { pud_t *pud; + p4d_t *p4d; pmd_t *pmd_table; - pud = pud_offset(pgd, 0); + p4d = p4d_offset(pgd, 0); + pud = pud_offset(p4d, 0); pmd_table = pmd_offset(pud, 0); return pmd_table;