From patchwork Fri Oct 19 06:55:02 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christophe Leroy X-Patchwork-Id: 986575 Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 42bxpm1VJVz9sCf for ; Fri, 19 Oct 2018 18:08:48 +1100 (AEDT) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=c-s.fr Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 42bxpm0CqhzDrBy for ; Fri, 19 Oct 2018 18:08:48 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=c-s.fr X-Original-To: linuxppc-dev@lists.ozlabs.org Delivered-To: linuxppc-dev@lists.ozlabs.org Authentication-Results: lists.ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=c-s.fr (client-ip=93.17.236.30; helo=pegase1.c-s.fr; envelope-from=christophe.leroy@c-s.fr; receiver=) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=c-s.fr Received: from pegase1.c-s.fr (pegase1.c-s.fr [93.17.236.30]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 42bxVx3jrpzF3TT for ; Fri, 19 Oct 2018 17:55:05 +1100 (AEDT) Received: from localhost (mailhub1-int [192.168.12.234]) by localhost (Postfix) with ESMTP id 42bxVs2jgcz9ttFY; Fri, 19 Oct 2018 08:55:01 +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 Q7aYiEDT1ibi; Fri, 19 Oct 2018 08:55:01 +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 42bxVs1lW3z9ttFM; Fri, 19 Oct 2018 08:55:01 +0200 (CEST) Received: from localhost (localhost [127.0.0.1]) by messagerie.si.c-s.fr (Postfix) with ESMTP id 7642C8B8DF; Fri, 19 Oct 2018 08:55:02 +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 rmPYatnyqUdP; Fri, 19 Oct 2018 08:55:02 +0200 (CEST) Received: from pc13168vm.idsi0.si.c-s.fr (po15451.idsi0.si.c-s.fr [172.25.231.2]) by messagerie.si.c-s.fr (Postfix) with ESMTP id 533DE8B75B; Fri, 19 Oct 2018 08:55:02 +0200 (CEST) Received: by pc13168vm.idsi0.si.c-s.fr (Postfix, from userid 0) id 3EA2C6F496; Fri, 19 Oct 2018 06:55:02 +0000 (UTC) Message-Id: In-Reply-To: References: From: Christophe Leroy Subject: [PATCH v6 05/20] powerpc/mm: Move pgtable_t into platform headers To: Benjamin Herrenschmidt , Paul Mackerras , Michael Ellerman Date: Fri, 19 Oct 2018 06:55:02 +0000 (UTC) X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org Errors-To: linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" This patch move pgtable_t into platform headers. It gets rid of the CONFIG_PPC_64K_PAGES case for PPC64 as nohash/64 doesn't support CONFIG_PPC_64K_PAGES. Reviewed-by: Aneesh Kumar K.V Signed-off-by: Christophe Leroy --- arch/powerpc/include/asm/book3s/32/mmu-hash.h | 2 ++ arch/powerpc/include/asm/book3s/64/mmu.h | 9 +++++++++ arch/powerpc/include/asm/nohash/32/mmu.h | 4 ++++ arch/powerpc/include/asm/nohash/64/mmu.h | 4 ++++ arch/powerpc/include/asm/page.h | 14 -------------- 5 files changed, 19 insertions(+), 14 deletions(-) diff --git a/arch/powerpc/include/asm/book3s/32/mmu-hash.h b/arch/powerpc/include/asm/book3s/32/mmu-hash.h index e38c91388c40..5bd26c218b94 100644 --- a/arch/powerpc/include/asm/book3s/32/mmu-hash.h +++ b/arch/powerpc/include/asm/book3s/32/mmu-hash.h @@ -42,6 +42,8 @@ struct ppc_bat { u32 batu; u32 batl; }; + +typedef struct page *pgtable_t; #endif /* !__ASSEMBLY__ */ /* diff --git a/arch/powerpc/include/asm/book3s/64/mmu.h b/arch/powerpc/include/asm/book3s/64/mmu.h index 6328857f259f..1ceee000c18d 100644 --- a/arch/powerpc/include/asm/book3s/64/mmu.h +++ b/arch/powerpc/include/asm/book3s/64/mmu.h @@ -2,6 +2,8 @@ #ifndef _ASM_POWERPC_BOOK3S_64_MMU_H_ #define _ASM_POWERPC_BOOK3S_64_MMU_H_ +#include + #ifndef __ASSEMBLY__ /* * Page size definition @@ -24,6 +26,13 @@ struct mmu_psize_def { }; extern struct mmu_psize_def mmu_psize_defs[MMU_PAGE_COUNT]; +/* + * For BOOK3s 64 with 4k and 64K linux page size + * we want to use pointers, because the page table + * actually store pfn + */ +typedef pte_t *pgtable_t; + #endif /* __ASSEMBLY__ */ /* 64-bit classic hash table MMU */ diff --git a/arch/powerpc/include/asm/nohash/32/mmu.h b/arch/powerpc/include/asm/nohash/32/mmu.h index af0e8b54876a..f61f933a4cd8 100644 --- a/arch/powerpc/include/asm/nohash/32/mmu.h +++ b/arch/powerpc/include/asm/nohash/32/mmu.h @@ -16,4 +16,8 @@ #include #endif +#ifndef __ASSEMBLY__ +typedef struct page *pgtable_t; +#endif + #endif /* _ASM_POWERPC_NOHASH_32_MMU_H_ */ diff --git a/arch/powerpc/include/asm/nohash/64/mmu.h b/arch/powerpc/include/asm/nohash/64/mmu.h index 87871d027b75..e6585480dfc4 100644 --- a/arch/powerpc/include/asm/nohash/64/mmu.h +++ b/arch/powerpc/include/asm/nohash/64/mmu.h @@ -5,4 +5,8 @@ /* Freescale Book-E software loaded TLB or Book-3e (ISA 2.06+) MMU */ #include +#ifndef __ASSEMBLY__ +typedef struct page *pgtable_t; +#endif + #endif /* _ASM_POWERPC_NOHASH_64_MMU_H_ */ diff --git a/arch/powerpc/include/asm/page.h b/arch/powerpc/include/asm/page.h index f6a1265face2..ddfb4b965e5b 100644 --- a/arch/powerpc/include/asm/page.h +++ b/arch/powerpc/include/asm/page.h @@ -335,20 +335,6 @@ void arch_free_page(struct page *page, int order); #endif struct vm_area_struct; -#ifdef CONFIG_PPC_BOOK3S_64 -/* - * For BOOK3s 64 with 4k and 64K linux page size - * we want to use pointers, because the page table - * actually store pfn - */ -typedef pte_t *pgtable_t; -#else -#if defined(CONFIG_PPC_64K_PAGES) && defined(CONFIG_PPC64) -typedef pte_t *pgtable_t; -#else -typedef struct page *pgtable_t; -#endif -#endif #include #endif /* __ASSEMBLY__ */