Commit 97f52c15 authored by Christoph Hellwig's avatar Christoph Hellwig Committed by Linus Torvalds
Browse files

arm,sparc,unicore32: remove flush_icache_user_range 



flush_icache_user_range is only used by <asm-generic/cacheflush.h>, so
remove it from the architectures that implement it, but don't use
<asm-generic/cacheflush.h>.

Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Cc: Russell King <linux@armlinux.org.uk>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Guan Xuetao <gxt@pku.edu.cn>
Link: http://lkml.kernel.org/r/20200515143646.3857579-19-hch@lst.de


Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 396eb69c

arch/arm/include/asm/cacheflush.h

+0 −3
Original line number Diff line number Diff line
@@ -318,9 +318,6 @@ extern void flush_kernel_dcache_page(struct page *); 
#define flush_dcache_mmap_lock(mapping)		xa_lock_irq(&mapping->i_pages)

#define flush_dcache_mmap_unlock(mapping)	xa_unlock_irq(&mapping->i_pages)



#define flush_icache_user_range(vma,page,addr,len) \

	flush_dcache_page(page)



/*

 * We don't appear to need to do anything here.  In fact, if we did, we'd

 * duplicate cache flushing elsewhere performed by flush_dcache_page().

arch/sparc/include/asm/cacheflush_32.h

+0 −2
Original line number Diff line number Diff line
@@ -17,8 +17,6 @@ 
#define flush_icache_range(start, end)		do { } while (0)

#define flush_icache_page(vma, pg)		do { } while (0)



#define flush_icache_user_range(vma,pg,adr,len)	do { } while (0)



#define copy_to_user_page(vma, page, vaddr, dst, src, len) \

	do {							\

		flush_cache_page(vma, vaddr, page_to_pfn(page));\

arch/sparc/include/asm/cacheflush_64.h

+0 −1
Original line number Diff line number Diff line
@@ -49,7 +49,6 @@ void __flush_dcache_range(unsigned long start, unsigned long end); 
void flush_dcache_page(struct page *page);



#define flush_icache_page(vma, pg)	do { } while(0)

#define flush_icache_user_range(vma,pg,adr,len)	do { } while (0)



void flush_ptrace_access(struct vm_area_struct *, struct page *,

			 unsigned long uaddr, void *kaddr,

arch/unicore32/include/asm/cacheflush.h

+0 −3
Original line number Diff line number Diff line
@@ -162,9 +162,6 @@ extern void flush_dcache_page(struct page *); 
#define flush_dcache_mmap_lock(mapping)		do { } while (0)

#define flush_dcache_mmap_unlock(mapping)	do { } while (0)



#define flush_icache_user_range(vma, page, addr, len)	\

	flush_dcache_page(page)



/*

 * We don't appear to need to do anything here.  In fact, if we did, we'd

 * duplicate cache flushing elsewhere performed by flush_dcache_page().