From patchwork Tue Jun 25 14:37:09 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 11015719 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 303F61575 for ; Tue, 25 Jun 2019 14:38:36 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 223BB283EE for ; Tue, 25 Jun 2019 14:38:36 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 15F392867F; Tue, 25 Jun 2019 14:38:36 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.7 required=2.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 8AC812863C for ; Tue, 25 Jun 2019 14:38:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731611AbfFYOiB (ORCPT ); Tue, 25 Jun 2019 10:38:01 -0400 Received: from bombadil.infradead.org ([198.137.202.133]:52734 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731602AbfFYOiA (ORCPT ); Tue, 25 Jun 2019 10:38:00 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; h=Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender :Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From :Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help: List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=cNb5LAit4OQE9csyW8Gi3qb52ub8bWsatrdoLvwwMmk=; b=hU21sXIGXyk/mxw1HaN+6x5I8z REbMk/9AO2/RX7OUJZAz7uatsrDjVraOr2R7w7o1uB8bi/MLY5BSeHDuWcSqGT5qb92FfOOrlqA2v xJ2Iaq6iLlaonDvnyUn5rB14ArrIZJHdVpacxQ/NwA3kG90jz2cLueycWPfxq6Rc616kRcKbJbsFJ 9M7rzU2H2ztN2yfxRYs2U9z7anC8kgI5e72AOG7KgDREQgaJjpXZnyVd6ke/dfDgqq7QTq53Ii19X eiU1xmwauAPSmID0U5JtNbc8tf9F59Gh1UqNi4XjkgpBeJBDDaUvUaCvKXGZqrZ6jCSA0xo+6Fb3C eS+bPF9g==; Received: from 213-225-6-159.nat.highway.a1.net ([213.225.6.159] helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.92 #3 (Red Hat Linux)) id 1hfmZy-00081q-2P; Tue, 25 Jun 2019 14:37:50 +0000 From: Christoph Hellwig To: Andrew Morton , Linus Torvalds , Paul Burton , James Hogan , Yoshinori Sato , Rich Felker , "David S. Miller" Cc: Nicholas Piggin , Khalid Aziz , Andrey Konovalov , Benjamin Herrenschmidt , Paul Mackerras , Michael Ellerman , linux-mips@vger.kernel.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-mm@kvack.org, x86@kernel.org, linux-kernel@vger.kernel.org, Jason Gunthorpe Subject: [PATCH 10/16] mm: rename CONFIG_HAVE_GENERIC_GUP to CONFIG_HAVE_FAST_GUP Date: Tue, 25 Jun 2019 16:37:09 +0200 Message-Id: <20190625143715.1689-11-hch@lst.de> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190625143715.1689-1-hch@lst.de> References: <20190625143715.1689-1-hch@lst.de> MIME-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Sender: linux-sh-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-sh@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP We only support the generic GUP now, so rename the config option to be more clear, and always use the mm/Kconfig definition of the symbol and select it from the arch Kconfigs. Signed-off-by: Christoph Hellwig Reviewed-by: Khalid Aziz Reviewed-by: Jason Gunthorpe --- arch/arm/Kconfig | 5 +---- arch/arm64/Kconfig | 4 +--- arch/mips/Kconfig | 2 +- arch/powerpc/Kconfig | 2 +- arch/s390/Kconfig | 2 +- arch/sh/Kconfig | 2 +- arch/sparc/Kconfig | 2 +- arch/x86/Kconfig | 4 +--- mm/Kconfig | 2 +- mm/gup.c | 4 ++-- 10 files changed, 11 insertions(+), 18 deletions(-) diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 8869742a85df..3879a3e2c511 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -73,6 +73,7 @@ config ARM select HAVE_DYNAMIC_FTRACE_WITH_REGS if HAVE_DYNAMIC_FTRACE select HAVE_EFFICIENT_UNALIGNED_ACCESS if (CPU_V6 || CPU_V6K || CPU_V7) && MMU select HAVE_EXIT_THREAD + select HAVE_FAST_GUP if ARM_LPAE select HAVE_FTRACE_MCOUNT_RECORD if !XIP_KERNEL select HAVE_FUNCTION_GRAPH_TRACER if !THUMB2_KERNEL && !CC_IS_CLANG select HAVE_FUNCTION_TRACER if !XIP_KERNEL @@ -1596,10 +1597,6 @@ config ARCH_SELECT_MEMORY_MODEL config HAVE_ARCH_PFN_VALID def_bool ARCH_HAS_HOLES_MEMORYMODEL || !SPARSEMEM -config HAVE_GENERIC_GUP - def_bool y - depends on ARM_LPAE - config HIGHMEM bool "High Memory Support" depends on MMU diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index 697ea0510729..4a6ee3e92757 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -140,6 +140,7 @@ config ARM64 select HAVE_DMA_CONTIGUOUS select HAVE_DYNAMIC_FTRACE select HAVE_EFFICIENT_UNALIGNED_ACCESS + select HAVE_FAST_GUP select HAVE_FTRACE_MCOUNT_RECORD select HAVE_FUNCTION_TRACER select HAVE_FUNCTION_GRAPH_TRACER @@ -262,9 +263,6 @@ config GENERIC_CALIBRATE_DELAY config ZONE_DMA32 def_bool y -config HAVE_GENERIC_GUP - def_bool y - config ARCH_ENABLE_MEMORY_HOTPLUG def_bool y diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index 64108a2a16d4..b1e42f0e4ed0 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -54,10 +54,10 @@ config MIPS select HAVE_DMA_CONTIGUOUS select HAVE_DYNAMIC_FTRACE select HAVE_EXIT_THREAD + select HAVE_FAST_GUP select HAVE_FTRACE_MCOUNT_RECORD select HAVE_FUNCTION_GRAPH_TRACER select HAVE_FUNCTION_TRACER - select HAVE_GENERIC_GUP select HAVE_IDE select HAVE_IOREMAP_PROT select HAVE_IRQ_EXIT_ON_IRQ_STACK diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index 8c1c636308c8..992a04796e56 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -185,12 +185,12 @@ config PPC select HAVE_DYNAMIC_FTRACE_WITH_REGS if MPROFILE_KERNEL select HAVE_EBPF_JIT if PPC64 select HAVE_EFFICIENT_UNALIGNED_ACCESS if !(CPU_LITTLE_ENDIAN && POWER7_CPU) + select HAVE_FAST_GUP select HAVE_FTRACE_MCOUNT_RECORD select HAVE_FUNCTION_ERROR_INJECTION select HAVE_FUNCTION_GRAPH_TRACER select HAVE_FUNCTION_TRACER select HAVE_GCC_PLUGINS if GCC_VERSION >= 50200 # plugin support on gcc <= 5.1 is buggy on PPC - select HAVE_GENERIC_GUP select HAVE_HW_BREAKPOINT if PERF_EVENTS && (PPC_BOOK3S || PPC_8xx) select HAVE_IDE select HAVE_IOREMAP_PROT diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig index 109243fdb6ec..aaff0376bf53 100644 --- a/arch/s390/Kconfig +++ b/arch/s390/Kconfig @@ -137,6 +137,7 @@ config S390 select HAVE_DMA_CONTIGUOUS select HAVE_DYNAMIC_FTRACE select HAVE_DYNAMIC_FTRACE_WITH_REGS + select HAVE_FAST_GUP select HAVE_EFFICIENT_UNALIGNED_ACCESS select HAVE_FENTRY select HAVE_FTRACE_MCOUNT_RECORD @@ -144,7 +145,6 @@ config S390 select HAVE_FUNCTION_TRACER select HAVE_FUTEX_CMPXCHG if FUTEX select HAVE_GCC_PLUGINS - select HAVE_GENERIC_GUP select HAVE_KERNEL_BZIP2 select HAVE_KERNEL_GZIP select HAVE_KERNEL_LZ4 diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig index 6fddfc3c9710..f6b15ecc37a3 100644 --- a/arch/sh/Kconfig +++ b/arch/sh/Kconfig @@ -14,7 +14,7 @@ config SUPERH select HAVE_ARCH_TRACEHOOK select HAVE_PERF_EVENTS select HAVE_DEBUG_BUGVERBOSE - select HAVE_GENERIC_GUP + select HAVE_FAST_GUP if MMU select ARCH_HAVE_CUSTOM_GPIO_H select ARCH_HAVE_NMI_SAFE_CMPXCHG if (GUSA_RB || CPU_SH4A) select ARCH_HAS_GCOV_PROFILE_ALL diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig index 22435471f942..659232b760e1 100644 --- a/arch/sparc/Kconfig +++ b/arch/sparc/Kconfig @@ -28,7 +28,7 @@ config SPARC select RTC_DRV_M48T59 select RTC_SYSTOHC select HAVE_ARCH_JUMP_LABEL if SPARC64 - select HAVE_GENERIC_GUP if SPARC64 + select HAVE_FAST_GUP if SPARC64 select GENERIC_IRQ_SHOW select ARCH_WANT_IPC_PARSE_VERSION select GENERIC_PCI_IOMAP diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 7cd53cc59f0f..44500e0ed630 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -157,6 +157,7 @@ config X86 select HAVE_EFFICIENT_UNALIGNED_ACCESS select HAVE_EISA select HAVE_EXIT_THREAD + select HAVE_FAST_GUP select HAVE_FENTRY if X86_64 || DYNAMIC_FTRACE select HAVE_FTRACE_MCOUNT_RECORD select HAVE_FUNCTION_GRAPH_TRACER @@ -2874,9 +2875,6 @@ config HAVE_ATOMIC_IOMAP config X86_DEV_DMA_OPS bool -config HAVE_GENERIC_GUP - def_bool y - source "drivers/firmware/Kconfig" source "arch/x86/kvm/Kconfig" diff --git a/mm/Kconfig b/mm/Kconfig index fe51f104a9e0..98dffb0f2447 100644 --- a/mm/Kconfig +++ b/mm/Kconfig @@ -132,7 +132,7 @@ config HAVE_MEMBLOCK_NODE_MAP config HAVE_MEMBLOCK_PHYS_MAP bool -config HAVE_GENERIC_GUP +config HAVE_FAST_GUP bool config ARCH_KEEP_MEMBLOCK diff --git a/mm/gup.c b/mm/gup.c index 9b72f2ea3471..7328890ad8d3 100644 --- a/mm/gup.c +++ b/mm/gup.c @@ -1651,7 +1651,7 @@ struct page *get_dump_page(unsigned long addr) #endif /* CONFIG_ELF_CORE */ /* - * Generic Fast GUP + * Fast GUP * * get_user_pages_fast attempts to pin user pages by walking the page * tables directly and avoids taking locks. Thus the walker needs to be @@ -1683,7 +1683,7 @@ struct page *get_dump_page(unsigned long addr) * * This code is based heavily on the PowerPC implementation by Nick Piggin. */ -#ifdef CONFIG_HAVE_GENERIC_GUP +#ifdef CONFIG_HAVE_FAST_GUP #ifdef CONFIG_GUP_GET_PTE_LOW_HIGH /* * WARNING: only to be used in the get_user_pages_fast() implementation.