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From: Ben Hutchings <ben@decadent.org.uk>
To: linux-kernel@vger.kernel.org, stable@vger.kernel.org
CC: akpm@linux-foundation.org, "Max Filippov" <jcmvbkbc@gmail.com>,
        "Chris Zankel" <chris@zankel.net>
Date: Mon, 06 Nov 2017 23:03:07 +0000
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Subject: [PATCH 3.2 026/147] xtensa: add missing symbol exports
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3.2.95-rc1 review patch.  If anyone has any objections, please let me know.

------------------

From: Max Filippov <jcmvbkbc@gmail.com>

commit d3738f407c8ced4fd17dccf6cce729023c735c73 upstream.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Chris Zankel <chris@zankel.net>
[bwh: Backported to 3.2: drop exports of some functions that aren't defined here]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---
--- a/arch/xtensa/kernel/pci-dma.c
+++ b/arch/xtensa/kernel/pci-dma.c
@@ -21,6 +21,7 @@
 #include <linux/string.h>
 #include <linux/pci.h>
 #include <linux/gfp.h>
+#include <linux/module.h>
 #include <asm/io.h>
 #include <asm/cacheflush.h>
 
@@ -62,6 +63,7 @@ dma_alloc_coherent(struct device *dev,si
 
 	return (void*)uncached;
 }
+EXPORT_SYMBOL(dma_alloc_coherent);
 
 void dma_free_coherent(struct device *hwdev, size_t size,
 			 void *vaddr, dma_addr_t dma_handle)
@@ -73,6 +75,7 @@ void dma_free_coherent(struct device *hw
 
 	free_pages(addr, get_order(size));
 }
+EXPORT_SYMBOL(dma_free_coherent);
 
 
 void consistent_sync(void *vaddr, size_t size, int direction)
@@ -92,3 +95,4 @@ void consistent_sync(void *vaddr, size_t
 		break;
 	}
 }
+EXPORT_SYMBOL(consistent_sync);
--- a/arch/xtensa/kernel/xtensa_ksyms.c
+++ b/arch/xtensa/kernel/xtensa_ksyms.c
@@ -39,8 +39,12 @@
 EXPORT_SYMBOL(memset);
 EXPORT_SYMBOL(memcpy);
 EXPORT_SYMBOL(memmove);
+EXPORT_SYMBOL(__strncpy_user);
+EXPORT_SYMBOL(clear_page);
+EXPORT_SYMBOL(copy_page);
 
 EXPORT_SYMBOL(kernel_thread);
+EXPORT_SYMBOL(empty_zero_page);
 
 /*
  * gcc internal math functions
@@ -73,6 +77,7 @@ EXPORT_SYMBOL(__umoddi3);
 /*
  * Networking support
  */
+EXPORT_SYMBOL(csum_partial);
 EXPORT_SYMBOL(csum_partial_copy_generic);
 #endif /* CONFIG_NET */