--- zzzz-none-000/linux-3.10.107/arch/powerpc/platforms/pseries/dtl.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/arch/powerpc/platforms/pseries/dtl.c	2021-02-04 17:41:59.000000000 +0000
@@ -20,7 +20,6 @@
  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
 
-#include <linux/init.h>
 #include <linux/slab.h>
 #include <linux/debugfs.h>
 #include <linux/spinlock.h>
@@ -29,8 +28,8 @@
 #include <asm/firmware.h>
 #include <asm/lppaca.h>
 #include <asm/debug.h>
-
-#include "plpar_wrappers.h"
+#include <asm/plpar_wrappers.h>
+#include <asm/machdep.h>
 
 struct dtl {
 	struct dtl_entry	*buf;
@@ -76,7 +75,7 @@
  */
 static void consume_dtle(struct dtl_entry *dtle, u64 index)
 {
-	struct dtl_ring *dtlr = &__get_cpu_var(dtl_rings);
+	struct dtl_ring *dtlr = this_cpu_ptr(&dtl_rings);
 	struct dtl_entry *wp = dtlr->write_ptr;
 	struct lppaca *vpa = local_paca->lppaca_ptr;
 
@@ -87,7 +86,7 @@
 	barrier();
 
 	/* check for hypervisor ring buffer overflow, ignore this entry if so */
-	if (index + N_DISPATCH_LOG < vpa->dtl_idx)
+	if (index + N_DISPATCH_LOG < be64_to_cpu(vpa->dtl_idx))
 		return;
 
 	++wp;
@@ -393,4 +392,4 @@
 err:
 	return rc;
 }
-arch_initcall(dtl_init);
+machine_arch_initcall(pseries, dtl_init);