powerpc: Remove the symbol __flush_icache_range

And now the function flush_icache_range() is just a wrapper which
only invoke the function __flush_icache_range() directly. So we
don't have reason to keep it anymore.

Signed-off-by: Kevin Hao <haokexin@gmail.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
diff --git a/arch/powerpc/kernel/misc_32.S b/arch/powerpc/kernel/misc_32.S
index 1722a2b..777d999 100644
--- a/arch/powerpc/kernel/misc_32.S
+++ b/arch/powerpc/kernel/misc_32.S
@@ -327,7 +327,7 @@
  *
  * flush_icache_range(unsigned long start, unsigned long stop)
  */
-_KPROBE(__flush_icache_range)
+_KPROBE(flush_icache_range)
 BEGIN_FTR_SECTION
 	isync
 	blr				/* for 601, do nothing */
diff --git a/arch/powerpc/kernel/misc_64.S b/arch/powerpc/kernel/misc_64.S
index 74d87f1..a781566 100644
--- a/arch/powerpc/kernel/misc_64.S
+++ b/arch/powerpc/kernel/misc_64.S
@@ -67,7 +67,7 @@
  *   flush all bytes from start through stop-1 inclusive
  */
 
-_KPROBE(__flush_icache_range)
+_KPROBE(flush_icache_range)
 BEGIN_FTR_SECTION
 	blr
 END_FTR_SECTION_IFSET(CPU_FTR_COHERENT_ICACHE)
diff --git a/arch/powerpc/kernel/ppc_ksyms.c b/arch/powerpc/kernel/ppc_ksyms.c
index c296665..380a6f9 100644
--- a/arch/powerpc/kernel/ppc_ksyms.c
+++ b/arch/powerpc/kernel/ppc_ksyms.c
@@ -111,7 +111,6 @@
 #ifndef CONFIG_PPC64
 EXPORT_SYMBOL(flush_instruction_cache);
 #endif
-EXPORT_SYMBOL(__flush_icache_range);
 EXPORT_SYMBOL(flush_dcache_range);
 
 #ifdef CONFIG_SMP