Merge branch 'linus' into tracing/ftrace

arch/powerpc/kernel/head_44x.S

@@ -368,7 +368,12 @@ interrupt_base:
 
 	rlwimi	r11,r13,0,26,31		/* Insert static perms */
 
-	rlwinm	r11,r11,0,20,15		/* Clear U0-U3 */
+	/*
+	 * Clear U0-U3 and WL1 IL1I IL1D IL2I IL2D bits which are added
+	 * on newer 440 cores like the 440x6 used on AMCC 460EX/460GT (see
+	 * include/asm-powerpc/pgtable-ppc32.h for details).
+	 */
+	rlwinm	r11,r11,0,20,10
 
 	/* find the TLB index that caused the fault.  It has to be here. */
 	tlbsx	r10, 0, r10

arch/powerpc/kernel/irq.c

@@ -1073,7 +1073,7 @@ static const struct file_operations virq_debug_fops = {
 static int __init irq_debugfs_init(void)
 {
 	if (debugfs_create_file("virq_mapping", S_IRUGO, powerpc_debugfs_root,
-				 NULL, &virq_debug_fops))
+				 NULL, &virq_debug_fops) == NULL)
 		return -ENOMEM;
 
 	return 0;

arch/powerpc/kernel/ppc_ksyms.c

@@ -8,7 +8,6 @@
 #include <linux/screen_info.h>
 #include <linux/vt_kern.h>
 #include <linux/nvram.h>
-#include <linux/console.h>
 #include <linux/irq.h>
 #include <linux/pci.h>
 #include <linux/delay.h>
@@ -165,7 +164,6 @@ EXPORT_SYMBOL(screen_info);
 EXPORT_SYMBOL(timer_interrupt);
 EXPORT_SYMBOL(irq_desc);
 EXPORT_SYMBOL(tb_ticks_per_jiffy);
-EXPORT_SYMBOL(console_drivers);
 EXPORT_SYMBOL(cacheable_memcpy);
 #endif
 

arch/powerpc/kernel/prom_init_check.sh

@@ -48,6 +48,20 @@ do
 		fi
 	done
 
+	# ignore register save/restore funcitons
+	if [ "${UNDEF:0:9}" = "_restgpr_" ]; then
+		OK=1
+	fi
+	if [ "${UNDEF:0:11}" = "_rest32gpr_" ]; then
+		OK=1
+	fi
+	if [ "${UNDEF:0:9}" = "_savegpr_" ]; then
+		OK=1
+	fi
+	if [ "${UNDEF:0:11}" = "_save32gpr_" ]; then
+		OK=1
+	fi
+
 	if [ $OK -eq 0 ]; then
 		ERROR=1
 		echo "Error: External symbol '$UNDEF' referenced" \

arch/powerpc/kernel/vdso.c

@@ -142,7 +142,7 @@ static void dump_one_vdso_page(struct page *pg, struct page *upg)
 	printk("kpg: %p (c:%d,f:%08lx)", __va(page_to_pfn(pg) << PAGE_SHIFT),
 	       page_count(pg),
 	       pg->flags);
-	if (upg/* && pg != upg*/) {
+	if (upg && !IS_ERR(upg) /* && pg != upg*/) {
 		printk(" upg: %p (c:%d,f:%08lx)", __va(page_to_pfn(upg)
 						       << PAGE_SHIFT),
 		       page_count(upg),