ppc64: wrap pidhash reference for the moment

arch/ppc64/kernel/head.S

@@ -90,7 +90,9 @@ _STATIC(__start)
 	 * between physical addresses and absolute addresses) and
 	 * to the pidhash table (also used by the debugger) */
 	.llong msChunks-KERNELBASE
+#ifdef CONFIG_PPC_ISERIES
 	.llong pidhash-KERNELBASE
+#endif
 
 	/* Offset 0x38 - Pointer to start of embedded System.map */
 	.globl	embedded_sysmap_start

arch/ppc64/kernel/time.c

@@ -469,11 +469,6 @@ void __init time_init(void)
 	last_rtc_update = xtime.tv_sec;
 	write_unlock_irqrestore(&xtime_lock, flags);
 
-#ifdef CONFIG_PPC_ISERIES
-	/* HACK HACK This allows the iSeries profiling to use /proc/profile */
-	prof_shift = 0;
-#endif
-
 	/* Not exact, but the timer interrupt takes care of this */
 	set_dec(tb_ticks_per_jiffy);
 }

arch/ppc64/mm/init.c

@@ -498,13 +498,6 @@ void __init paging_init(void)
 }
 #endif
 
-extern unsigned long prof_shift;
-extern unsigned long prof_len;
-extern unsigned int * prof_buffer;
-extern unsigned long dprof_shift;
-extern unsigned long dprof_len;
-extern unsigned int * dprof_buffer;
-
 void initialize_paca_hardware_interrupt_stack(void);
 
 void __init mem_init(void)
@@ -577,10 +570,6 @@ void __init mem_init(void)
 
 #ifdef CONFIG_PPC_ISERIES
 	create_virtual_bus_tce_table();
-	/* HACK HACK This allows the iSeries profiling to use /proc/profile */
-	prof_shift = dprof_shift;
-	prof_len = dprof_len;
-	prof_buffer = dprof_buffer;
 #endif
 }