This is a note to let you know that I've just added the patch titled xtensa: mm/cache: add missing EXPORT_SYMBOLs to the 4.12-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: xtensa-mm-cache-add-missing-export_symbols.patch and it can be found in the queue-4.12 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From bc652eb6a0d5cffaea7dc8e8ad488aab2a1bf1ed Mon Sep 17 00:00:00 2001 From: Max Filippov <jcmvbkbc@xxxxxxxxx> Date: Tue, 1 Aug 2017 11:15:15 -0700 Subject: xtensa: mm/cache: add missing EXPORT_SYMBOLs From: Max Filippov <jcmvbkbc@xxxxxxxxx> commit bc652eb6a0d5cffaea7dc8e8ad488aab2a1bf1ed upstream. Functions clear_user_highpage, copy_user_highpage, flush_dcache_page, local_flush_cache_range and local_flush_cache_page may be used from modules. Export them. Signed-off-by: Max Filippov <jcmvbkbc@xxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- arch/xtensa/mm/cache.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) --- a/arch/xtensa/mm/cache.c +++ b/arch/xtensa/mm/cache.c @@ -103,6 +103,7 @@ void clear_user_highpage(struct page *pa clear_page_alias(kvaddr, paddr); preempt_enable(); } +EXPORT_SYMBOL(clear_user_highpage); void copy_user_highpage(struct page *dst, struct page *src, unsigned long vaddr, struct vm_area_struct *vma) @@ -119,6 +120,7 @@ void copy_user_highpage(struct page *dst copy_page_alias(dst_vaddr, src_vaddr, dst_paddr, src_paddr); preempt_enable(); } +EXPORT_SYMBOL(copy_user_highpage); /* * Any time the kernel writes to a user page cache page, or it is about to @@ -172,7 +174,7 @@ void flush_dcache_page(struct page *page /* There shouldn't be an entry in the cache for this page anymore. */ } - +EXPORT_SYMBOL(flush_dcache_page); /* * For now, flush the whole cache. FIXME?? @@ -184,6 +186,7 @@ void local_flush_cache_range(struct vm_a __flush_invalidate_dcache_all(); __invalidate_icache_all(); } +EXPORT_SYMBOL(local_flush_cache_range); /* * Remove any entry in the cache for this page. @@ -203,6 +206,7 @@ void local_flush_cache_page(struct vm_ar __flush_invalidate_dcache_page_alias(virt, phys); __invalidate_icache_page_alias(virt, phys); } +EXPORT_SYMBOL(local_flush_cache_page); #endif /* DCACHE_WAY_SIZE > PAGE_SIZE */ Patches currently in stable-queue which might be from jcmvbkbc@xxxxxxxxx are queue-4.12/xtensa-don-t-limit-csum_partial-export-by-config_net.patch queue-4.12/xtensa-fix-cache-aliasing-handling-code-for-wt-cache.patch queue-4.12/xtensa-mm-cache-add-missing-export_symbols.patch