From: Christoph Hellwig <hch@xxxxxx> Subject: asm-generic: add a flush_icache_user_range stub Define flush_icache_user_range to flush_icache_range unless the architecture provides its own implementation. Link: http://lkml.kernel.org/r/20200515143646.3857579-21-hch@xxxxxx Signed-off-by: Christoph Hellwig <hch@xxxxxx> Cc: Arnd Bergmann <arnd@xxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- include/asm-generic/cacheflush.h | 4 ++++ 1 file changed, 4 insertions(+) --- a/include/asm-generic/cacheflush.h~asm-generic-add-a-flush_icache_user_range-stub +++ a/include/asm-generic/cacheflush.h @@ -66,6 +66,10 @@ static inline void flush_icache_range(un } #endif +#ifndef flush_icache_user_range +#define flush_icache_user_range flush_icache_range +#endif + #ifndef flush_icache_page static inline void flush_icache_page(struct vm_area_struct *vma, struct page *page) _