From mboxrd@z Thu Jan 1 00:00:00 1970 From: 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> References: <20200414153455.21744-1-rppt@kernel.org> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20200414153455.21744-1-rppt@kernel.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: kvmarm-bounces@lists.cs.columbia.edu Sender: kvmarm-bounces@lists.cs.columbia.edu To: Andrew Morton Cc: Rich Felker , linux-ia64@vger.kernel.org, Geert Uytterhoeven , linux-sh@vger.kernel.org, Benjamin Herrenschmidt , linux-mm@kvack.org, Paul Mackerras , linux-hexagon@vger.kernel.org, Will Deacon , kvmarm@lists.cs.columbia.edu, Jonas Bonn , linux-arch@vger.kernel.org, Brian Cain , Marc Zyngier , Russell King , Ley Foon Tan , Mike Rapoport , Catalin Marinas , uclinux-h8-devel@lists.sourceforge.jp, Fenghua Yu , Arnd Bergmann , kvm-ppc@vger.kernel.org, Stefan Kristiansson , openrisc@lists.librecores.org, Stafford Horne , Guan Xuetao List-Id: linux-arch.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; -- 2.25.1