From: Christoph Hellwig <hch@xxxxxx> Subject: 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@xxxxxxxxx: fix flush_icache_user_range in noMMU configs] Link: http://lkml.kernel.org/r/20200525221556.4270-1-jcmvbkbc@xxxxxxxxx Link: http://lkml.kernel.org/r/20200515143646.3857579-23-hch@xxxxxx Signed-off-by: Christoph Hellwig <hch@xxxxxx> Signed-off-by: Max Filippov <jcmvbkbc@xxxxxxxxx> Cc: Chris Zankel <chris@xxxxxxxxxx> Cc: Max Filippov <jcmvbkbc@xxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- arch/xtensa/include/asm/cacheflush.h | 2 ++ 1 file changed, 2 insertions(+) --- a/arch/xtensa/include/asm/cacheflush.h~xtensa-implement-flush_icache_user_range +++ a/arch/xtensa/include/asm/cacheflush.h @@ -145,6 +145,8 @@ void local_flush_cache_page(struct vm_ar #endif +#define flush_icache_user_range flush_icache_range + /* Ensure consistency between data and instruction cache. */ #define local_flush_icache_range(start, end) \ do { \ _