--- zzzz-none-000/linux-3.10.107/arch/arm/mm/tlb-v7.S	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/arch/arm/mm/tlb-v7.S	2021-02-04 17:41:59.000000000 +0000
@@ -35,7 +35,7 @@
 ENTRY(v7wbi_flush_user_tlb_range)
 	vma_vm_mm r3, r2			@ get vma->vm_mm
 	mmid	r3, r3				@ get vm_mm->context.id
-	dsb
+	dsb	ish
 	mov	r0, r0, lsr #PAGE_SHIFT		@ align address
 	mov	r1, r1, lsr #PAGE_SHIFT
 	asid	r3, r3				@ mask ASID
@@ -56,8 +56,8 @@
 	add	r0, r0, #PAGE_SZ
 	cmp	r0, r1
 	blo	1b
-	dsb
-	mov	pc, lr
+	dsb	ish
+	ret	lr
 ENDPROC(v7wbi_flush_user_tlb_range)
 
 /*
@@ -69,7 +69,7 @@
  *	- end   - end address (exclusive, may not be aligned)
  */
 ENTRY(v7wbi_flush_kern_tlb_range)
-	dsb
+	dsb	ish
 	mov	r0, r0, lsr #PAGE_SHIFT		@ align address
 	mov	r1, r1, lsr #PAGE_SHIFT
 	mov	r0, r0, lsl #PAGE_SHIFT
@@ -84,9 +84,9 @@
 	add	r0, r0, #PAGE_SZ
 	cmp	r0, r1
 	blo	1b
-	dsb
+	dsb	ish
 	isb
-	mov	pc, lr
+	ret	lr
 ENDPROC(v7wbi_flush_kern_tlb_range)
 
 	__INIT