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xtensa: implement flush_icache_user_range 

The Xtensa implementation of flush_icache_range seems to be able to cope
with user addresses.  Just define flush_icache_user_range to
flush_icache_range.

[jcmvbkbc@gmail.com: fix flush_icache_user_range in noMMU configs]
  Link: http://lkml.kernel.org/r/20200525221556.4270-1-jcmvbkbc@gmail.com

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Chris Zankel <chris@zankel.net>
Cc: Max Filippov <jcmvbkbc@gmail.com>
Link: http://lkml.kernel.org/r/20200515143646.3857579-23-hch@lst.de
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Christoph Hellwig 2020-06-07 21:42:32 -07:00 committed by Linus Torvalds
parent 952ec41c44
commit 70cd3444c1
1 changed files with 2 additions and 0 deletions
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2
arch/xtensa/include/asm/cacheflush.h
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@ -145,6 +145,8 @@ void local_flush_cache_page(struct vm_area_struct *vma,
#endif
#define flush_icache_user_range flush_icache_range
/* Ensure consistency between data and instruction cache. */
#define local_flush_icache_range(start, end) \
do { \