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unicore32: remove flush_cache_user_range

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flush_cache_user_range is an ARMism not used by any generic or unicore32
specific code.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Guan Xuetao <gxt@pku.edu.cn>
Link: http://lkml.kernel.org/r/20200515143646.3857579-5-hch@lst.de
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Christoph Hellwig 2020-06-07 21:41:36 -07:00 committed by Linus Torvalds
parent e292e7403e
commit 7c95fda549
1 changed files with 0 additions and 8 deletions
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8
arch/unicore32/include/asm/cacheflush.h
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@ -132,14 +132,6 @@ extern void flush_cache_page(struct vm_area_struct *vma,
#define flush_cache_dup_mm(mm) flush_cache_mm(mm)
/*
* flush_cache_user_range is used when we want to ensure that the
* Harvard caches are synchronised for the user space address range.
* This is used for the UniCore private sys_cacheflush system call.
*/
#define flush_cache_user_range(vma, start, end) \
__cpuc_coherent_user_range((start) & PAGE_MASK, PAGE_ALIGN(end))
/*
* Perform necessary cache operations to ensure that data previously
* stored within this range of addresses can be executed by the CPU.