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Patch "xtensa: mm/cache: add missing EXPORT_SYMBOLs" has been added to the 4.12-stable tree

PATCH [email protected] 1 participant 1 message Aug 14, 2017

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Stable branch Tensilica Xtensa port (xtensa)
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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 <[email protected]> know about it.

Quoted 1 line

From bc652eb6a0d5cffaea7dc8e8ad488aab2a1bf1ed Mon Sep 17 00:00:00 2001

From: Max Filippov <[email protected]>
Date: Tue, 1 Aug 2017 11:15:15 -0700
Subject: xtensa: mm/cache: add missing EXPORT_SYMBOLs

From: Max Filippov <[email protected]>

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 <[email protected]>
Signed-off-by Greg Kroah-Hartman <[email protected]>
---
 arch/xtensa/mm/cache.c |    6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)
arch/xtensa/mm/cache.c +5 -1
@@ -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 [email protected] 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