linux-kernel - [tip:x86/urgent] x86: Use asm-generic/cacheflush.h

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Message-ID: <tip-cc67ba6352ecbf6891083a18f8c78fa639ebd274@git.kernel.org>
Date:	Fri, 21 Jan 2011 15:36:46 GMT
From:	tip-bot for Akinobu Mita <akinobu.mita@...il.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...hat.com,
	akinobu.mita@...il.com, tglx@...utronix.de, mingo@...e.hu
Subject: [tip:x86/urgent] x86: Use asm-generic/cacheflush.h

Commit-ID:  cc67ba6352ecbf6891083a18f8c78fa639ebd274
Gitweb:     http://git.kernel.org/tip/cc67ba6352ecbf6891083a18f8c78fa639ebd274
Author:     Akinobu Mita <akinobu.mita@...il.com>
AuthorDate: Thu, 20 Jan 2011 20:32:14 +0900
Committer:  Ingo Molnar <mingo@...e.hu>
CommitDate: Fri, 21 Jan 2011 14:11:12 +0100

x86: Use asm-generic/cacheflush.h

The implementation of the cache flushing interfaces on the x86
is identical with the default implementation in asm-generic.

Signed-off-by: Akinobu Mita <akinobu.mita@...il.com>
Cc: "H. Peter Anvin" <hpa@...or.com>
Cc: arnd@...db.de
LKML-Reference: <1295523136-4277-2-git-send-email-akinobu.mita@...il.com>
Signed-off-by: Ingo Molnar <mingo@...e.hu>
---
 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 <linux/mm.h>
-
 /* 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 <asm-generic/cacheflush.h>
 
 #ifdef CONFIG_X86_PAT
 /*
--
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