From: Mike Rapoport <rppt@kernel.org> To: Andrew Morton <akpm@linux-foundation.org> Cc: Rich Felker <dalias@libc.org>, linux-ia64@vger.kernel.org, Geert Uytterhoeven <geert+renesas@glider.be>, linux-sh@vger.kernel.org, Benjamin Herrenschmidt <benh@kernel.crashing.org>, linux-mm@kvack.org, Paul Mackerras <paulus@samba.org>, linux-hexagon@vger.kernel.org, Will Deacon <will@kernel.org>, kvmarm@lists.cs.columbia.edu, Jonas Bonn <jonas@southpole.se>, linux-arch@vger.kernel.org, Brian Cain <bcain@codeaurora.org>, Marc Zyngier <maz@kernel.org>, Russell King <linux@armlinux.org.uk>, Ley Foon Tan <ley.foon.tan@intel.com>, Mike Rapoport <rppt@linux.ibm.com>, Catalin Marinas <catalin.marinas@arm.com>, uclinux-h8-devel@lists.sourceforge.jp, Fenghua Yu <fenghua.yu@intel.com>, Arnd Bergmann <arnd@arndb.de>, kvm-ppc@vger.kernel.org, Stefan Kristiansson <stefan.kristiansson@saunalahti.fi>, openrisc@lists.librecores.org, Stafford Horne <shorne@gmail.com>, Guan Xuetao <gxt@pku.edu.cn>, linux-arm-kernel@lists.infradead.org, Christophe Leroy <christophe.leroy@c-s.fr>, Tony Luck <tony.luck@intel.com>, Yoshinori Sato <ysato@users.sourceforge.jp>, linux-kernel@vger.kernel.org, Michael Ellerman <mpe@ellerman.id.au>, nios2-dev@lists.rocketboards.org, linuxppc-dev@lists.ozlabs.org, Mike Rapoport <rppt@kernel.org> 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> (raw) In-Reply-To: <20200414153455.21744-1-rppt@kernel.org> From: Mike Rapoport <rppt@linux.ibm.com> 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 <rppt@linux.ibm.com> --- 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 <asm-generic/pgtable-nopmd.h> #include <asm/cpu-single.h> 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 _______________________________________________ kvmarm mailing list kvmarm@lists.cs.columbia.edu https://lists.cs.columbia.edu/mailman/listinfo/kvmarm
next prev parent reply index Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-04-14 15:34 [PATCH v4 00/14] mm: remove __ARCH_HAS_5LEVEL_HACK Mike Rapoport 2020-04-14 15:34 ` [PATCH v4 01/14] h8300: remove usage of __ARCH_USE_5LEVEL_HACK Mike Rapoport 2020-04-14 15:34 ` [PATCH v4 02/14] arm: add support for folded p4d page tables Mike Rapoport [not found] ` <CGME20200507121658eucas1p240cf4a3e0fe5c22dda5ec4f72734149f@eucas1p2.samsung.com> 2020-05-07 12:16 ` Marek Szyprowski 2020-05-07 16:11 ` Mike Rapoport 2020-05-08 6:53 ` Marek Szyprowski 2020-05-08 17:42 ` Mike Rapoport 2020-05-11 6:36 ` Marek Szyprowski 2020-05-11 14:15 ` Mike Rapoport 2020-04-14 15:34 ` [PATCH v4 03/14] arm64: " Mike Rapoport 2020-05-15 18:40 ` Andrew Morton 2020-05-16 17:20 ` Mike Rapoport 2020-04-14 15:34 ` [PATCH v4 04/14] hexagon: remove __ARCH_USE_5LEVEL_HACK Mike Rapoport 2020-04-14 15:34 ` [PATCH v4 05/14] ia64: add support for folded p4d page tables Mike Rapoport 2020-04-14 15:34 ` [PATCH v4 06/14] nios2: " Mike Rapoport 2020-04-14 15:34 ` [PATCH v4 07/14] openrisc: " Mike Rapoport 2020-04-14 15:34 ` [PATCH v4 08/14] powerpc: " Mike Rapoport 2020-06-03 19:05 ` Andrew Morton 2020-06-04 9:50 ` Qian Cai 2020-04-14 15:34 ` [PATCH v4 09/14] sh: fault: Modernize printing of kernel messages Mike Rapoport 2020-04-14 15:34 ` [PATCH v4 10/14] sh: drop __pXd_offset() macros that duplicate pXd_index() ones Mike Rapoport 2020-04-14 15:34 ` [PATCH v4 11/14] sh: add support for folded p4d page tables Mike Rapoport 2020-04-14 15:34 ` Mike Rapoport [this message] 2020-04-14 15:34 ` [PATCH v4 13/14] asm-generic: remove pgtable-nop4d-hack.h Mike Rapoport 2020-04-14 15:34 ` [PATCH v4 14/14] mm: remove __ARCH_HAS_5LEVEL_HACK and include/asm-generic/5level-fixup.h Mike Rapoport
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