[PATCH v2] flush_icache_range: Export symbol to fix build errors

[Pranith Kumar]

Fix building errors occuring due to a missing export of flush_icache_range() in

kisskb.ellerman.id.au/kisskb/buildresult/11677809/

ERROR: "flush_icache_range" [drivers/misc/lkdtm.ko] undefined!

Signed-off-by: Pranith Kumar <bobby.pr...@gmail.com>
Reported-by: Geert Uytterhoeven <ge...@linux-m68k.org>
CC: Andrew Morton <a...@linux-foundation.org>
---
 arch/arc/mm/cache_arc700.c | 1 +
 arch/hexagon/mm/cache.c    | 1 +
 arch/sh/mm/cache.c         | 1 +
 arch/tile/kernel/smp.c     | 1 +
 arch/xtensa/kernel/smp.c   | 1 +
 5 files changed, 5 insertions(+)

diff --git a/arch/arc/mm/cache_arc700.c b/arch/arc/mm/cache_arc700.c
index 4670afc..e88ddbf 100644
--- a/arch/arc/mm/cache_arc700.c
+++ b/arch/arc/mm/cache_arc700.c
@@ -581,6 +581,7 @@ void flush_icache_range(unsigned long kstart, unsigned long 
kend)
                tot_sz -= sz;
        }
 }
+EXPORT_SYMBOL(flush_icache_range);
 
 /*
  * General purpose helper to make I and D cache lines consistent.
diff --git a/arch/hexagon/mm/cache.c b/arch/hexagon/mm/cache.c
index fe14ccf..0c76c80 100644
--- a/arch/hexagon/mm/cache.c
+++ b/arch/hexagon/mm/cache.c
@@ -68,6 +68,7 @@ void flush_icache_range(unsigned long start, unsigned long 
end)
        );
        local_irq_restore(flags);
 }
+EXPORT_SYMBOL(flush_icache_range);
 
 void hexagon_clean_dcache_range(unsigned long start, unsigned long end)
 {
diff --git a/arch/sh/mm/cache.c b/arch/sh/mm/cache.c
index 097c2cd..f770e39 100644
--- a/arch/sh/mm/cache.c
+++ b/arch/sh/mm/cache.c
@@ -229,6 +229,7 @@ void flush_icache_range(unsigned long start, unsigned long 
end)
 
        cacheop_on_each_cpu(local_flush_icache_range, (void *)&data, 1);
 }
+EXPORT_SYMBOL(flush_icache_range);
 
 void flush_icache_page(struct vm_area_struct *vma, struct page *page)
 {
diff --git a/arch/tile/kernel/smp.c b/arch/tile/kernel/smp.c
index 01e8ab2..19eaa62 100644
--- a/arch/tile/kernel/smp.c
+++ b/arch/tile/kernel/smp.c
@@ -183,6 +183,7 @@ void flush_icache_range(unsigned long start, unsigned long 
end)
                preempt_enable();
        }
 }
+EXPORT_SYMBOL(flush_icache_range);
 
 
 /* Called when smp_send_reschedule() triggers IRQ_RESCHEDULE. */
diff --git a/arch/xtensa/kernel/smp.c b/arch/xtensa/kernel/smp.c
index 40b5a37..4d02e38 100644
--- a/arch/xtensa/kernel/smp.c
+++ b/arch/xtensa/kernel/smp.c
@@ -571,6 +571,7 @@ void flush_icache_range(unsigned long start, unsigned long 
end)
        };
        on_each_cpu(ipi_flush_icache_range, &fd, 1);
 }
+EXPORT_SYMBOL(flush_icache_range);
 
 /* ------------------------------------------------------------------------- */
 
-- 
1.9.1

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