sh: implement flush_icache_user_range
The SuperH implementation of flush_icache_range seems to be able to cope with user addresses. Just define flush_icache_user_range to flush_icache_range. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Cc: Rich Felker <dalias@libc.org> Link: http://lkml.kernel.org/r/20200515143646.3857579-22-hch@lst.deSigned-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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