From patchwork Tue Apr 14 15:34:53 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mike Rapoport X-Patchwork-Id: 11488431 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 D1E07913 for ; Tue, 14 Apr 2020 15:39:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B542020678 for ; Tue, 14 Apr 2020 15:39:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1586878762; bh=QsIMkwgxGDmoafySFK25hUU8rvRZJH7p/k2n8MmR7Ws=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=HKCYZ1f3B7ixEDHi/35sQnfAByeSWJRB51kpZf2kLmb3XsoYZakSKrcBgKcVhva2Y HX6dlt1XqDAidi10PodaH5utdw5R9VDam8sEmK4sg8NjjFc8y3+MUubiNXPOnYP4SV nGuvWYnZ+pVzleAa3JAj5WBj599rU0Oot25bC8b8= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2440608AbgDNPjR (ORCPT ); Tue, 14 Apr 2020 11:39:17 -0400 Received: from mail.kernel.org ([198.145.29.99]:56676 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2440464AbgDNPhG (ORCPT ); Tue, 14 Apr 2020 11:37:06 -0400 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 1A2EB2084D; Tue, 14 Apr 2020 15:36:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1586878626; bh=QsIMkwgxGDmoafySFK25hUU8rvRZJH7p/k2n8MmR7Ws=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=bdUR+zWFwCOI/Xm6DSb0qQaXfyaTlf+6Y69j/ySn/8n5SL+894WXl0hDbi7CTBFkB OH34skovQtOYjlBeb9r9WRFMUU7YvhOUJon8f2tVCBezF/S8tLj0XI+Z0cvAD1FJhX GSbbCOxTEG+QNyPdVaL2eY/Kxsqba8gGlpuLQ2sc= From: Mike Rapoport To: Andrew Morton Cc: 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-kernel@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 v4 12/14] unicore32: remove __ARCH_USE_5LEVEL_HACK Date: Tue, 14 Apr 2020 18:34:53 +0300 Message-Id: <20200414153455.21744-13-rppt@kernel.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200414153455.21744-1-rppt@kernel.org> References: <20200414153455.21744-1-rppt@kernel.org> MIME-Version: 1.0 Sender: linux-sh-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-sh@vger.kernel.org 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 3b8731b3a937..826f49edd94e 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;