From mboxrd@z Thu Jan 1 00:00:00 1970 From: Akinobu Mita Subject: [PATCH] x86: use asm-generic/cacheflush.h Date: Thu, 20 Jan 2011 20:32:14 +0900 Message-ID: <1295523136-4277-2-git-send-email-akinobu.mita@gmail.com> References: <1295523136-4277-1-git-send-email-akinobu.mita@gmail.com> Return-path: In-Reply-To: <1295523136-4277-1-git-send-email-akinobu.mita@gmail.com> Sender: linux-kernel-owner@vger.kernel.org To: linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org, arnd@arndb.de Cc: Akinobu Mita , Thomas Gleixner , Ingo Molnar , "H. Peter Anvin" , x86@kernel.org List-Id: linux-arch.vger.kernel.org The implementation of the cache flushing interfaces on the x86 is identical with the default implementation in asm-generic. Signed-off-by: Akinobu Mita Cc: Thomas Gleixner Cc: Ingo Molnar Cc: "H. Peter Anvin" Cc: x86@kernel.org --- arch/x86/include/asm/cacheflush.h | 42 +------------------------------------ 1 files changed, 1 insertions(+), 41 deletions(-) diff --git a/arch/x86/include/asm/cacheflush.h b/arch/x86/include/asm/cacheflush.h index 63e35ec..62f0844 100644 --- a/arch/x86/include/asm/cacheflush.h +++ b/arch/x86/include/asm/cacheflush.h @@ -1,48 +1,8 @@ #ifndef _ASM_X86_CACHEFLUSH_H #define _ASM_X86_CACHEFLUSH_H -/* Keep includes the same across arches. */ -#include - /* Caches aren't brain-dead on the intel. */ -static inline void flush_cache_all(void) { } -static inline void flush_cache_mm(struct mm_struct *mm) { } -static inline void flush_cache_dup_mm(struct mm_struct *mm) { } -static inline void flush_cache_range(struct vm_area_struct *vma, - unsigned long start, unsigned long end) { } -static inline void flush_cache_page(struct vm_area_struct *vma, - unsigned long vmaddr, unsigned long pfn) { } -#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 0 -static inline void flush_dcache_page(struct page *page) { } -static inline void flush_dcache_mmap_lock(struct address_space *mapping) { } -static inline void flush_dcache_mmap_unlock(struct address_space *mapping) { } -static inline void flush_icache_range(unsigned long start, - unsigned long end) { } -static inline void flush_icache_page(struct vm_area_struct *vma, - struct page *page) { } -static inline void flush_icache_user_range(struct vm_area_struct *vma, - struct page *page, - unsigned long addr, - unsigned long len) { } -static inline void flush_cache_vmap(unsigned long start, unsigned long end) { } -static inline void flush_cache_vunmap(unsigned long start, - unsigned long end) { } - -static inline void copy_to_user_page(struct vm_area_struct *vma, - struct page *page, unsigned long vaddr, - void *dst, const void *src, - unsigned long len) -{ - memcpy(dst, src, len); -} - -static inline void copy_from_user_page(struct vm_area_struct *vma, - struct page *page, unsigned long vaddr, - void *dst, const void *src, - unsigned long len) -{ - memcpy(dst, src, len); -} +#include #ifdef CONFIG_X86_PAT /* -- 1.7.3.4 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-iw0-f174.google.com ([209.85.214.174]:52036 "EHLO mail-iw0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755056Ab1ATLbs (ORCPT ); Thu, 20 Jan 2011 06:31:48 -0500 From: Akinobu Mita Subject: [PATCH] x86: use asm-generic/cacheflush.h Date: Thu, 20 Jan 2011 20:32:14 +0900 Message-ID: <1295523136-4277-2-git-send-email-akinobu.mita@gmail.com> In-Reply-To: <1295523136-4277-1-git-send-email-akinobu.mita@gmail.com> References: <1295523136-4277-1-git-send-email-akinobu.mita@gmail.com> Sender: linux-arch-owner@vger.kernel.org List-ID: To: linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org, arnd@arndb.de Cc: Akinobu Mita , Thomas Gleixner , Ingo Molnar , "H. Peter Anvin" , x86@kernel.org Message-ID: <20110120113214._dbvlMDvwaFEknbdEH0rxraZKfosDqzBRc0gZ5jXmCA@z> The implementation of the cache flushing interfaces on the x86 is identical with the default implementation in asm-generic. Signed-off-by: Akinobu Mita Cc: Thomas Gleixner Cc: Ingo Molnar Cc: "H. Peter Anvin" Cc: x86@kernel.org --- arch/x86/include/asm/cacheflush.h | 42 +------------------------------------ 1 files changed, 1 insertions(+), 41 deletions(-) diff --git a/arch/x86/include/asm/cacheflush.h b/arch/x86/include/asm/cacheflush.h index 63e35ec..62f0844 100644 --- a/arch/x86/include/asm/cacheflush.h +++ b/arch/x86/include/asm/cacheflush.h @@ -1,48 +1,8 @@ #ifndef _ASM_X86_CACHEFLUSH_H #define _ASM_X86_CACHEFLUSH_H -/* Keep includes the same across arches. */ -#include - /* Caches aren't brain-dead on the intel. */ -static inline void flush_cache_all(void) { } -static inline void flush_cache_mm(struct mm_struct *mm) { } -static inline void flush_cache_dup_mm(struct mm_struct *mm) { } -static inline void flush_cache_range(struct vm_area_struct *vma, - unsigned long start, unsigned long end) { } -static inline void flush_cache_page(struct vm_area_struct *vma, - unsigned long vmaddr, unsigned long pfn) { } -#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 0 -static inline void flush_dcache_page(struct page *page) { } -static inline void flush_dcache_mmap_lock(struct address_space *mapping) { } -static inline void flush_dcache_mmap_unlock(struct address_space *mapping) { } -static inline void flush_icache_range(unsigned long start, - unsigned long end) { } -static inline void flush_icache_page(struct vm_area_struct *vma, - struct page *page) { } -static inline void flush_icache_user_range(struct vm_area_struct *vma, - struct page *page, - unsigned long addr, - unsigned long len) { } -static inline void flush_cache_vmap(unsigned long start, unsigned long end) { } -static inline void flush_cache_vunmap(unsigned long start, - unsigned long end) { } - -static inline void copy_to_user_page(struct vm_area_struct *vma, - struct page *page, unsigned long vaddr, - void *dst, const void *src, - unsigned long len) -{ - memcpy(dst, src, len); -} - -static inline void copy_from_user_page(struct vm_area_struct *vma, - struct page *page, unsigned long vaddr, - void *dst, const void *src, - unsigned long len) -{ - memcpy(dst, src, len); -} +#include #ifdef CONFIG_X86_PAT /* -- 1.7.3.4