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 4.9-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-4.9 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>
diff --git a/arch/xtensa/mm/cache.c b/arch/xtensa/mm/cache.c
index dbb1cdef3663..3c75c4e597da 100644
--- a/arch/xtensa/mm/cache.c
+++ b/arch/xtensa/mm/cache.c
@@ -103,6 +103,7 @@ void clear_user_highpage(struct page *page, unsigned long vaddr)
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, struct page *src,
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_area_struct *vma,
__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_area_struct *vma, unsigned long address,
__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-4.9/xtensa-don-t-limit-csum_partial-export-by-config_net.patch
queue-4.9/xtensa-fix-cache-aliasing-handling-code-for-wt-cache.patch
queue-4.9/xtensa-mm-cache-add-missing-export_symbols.patch