2 files changed, 21 insertions, 0 deletions
diff --git a/arch/sh/mm/tlbflush_32.c b/arch/sh/mm/tlbflush_32.c
index 3fbe03c..a6a20d6 100644
--- a/arch/sh/mm/tlbflush_32.c
+++ b/arch/sh/mm/tlbflush_32.c
@@ -119,3 +119,19 @@ void local_flush_tlb_mm(struct mm_struct *mm)
 		local_irq_restore(flags);
 	}
 }
+
+void __flush_tlb_global(void)
+{
+	unsigned long flags;
+
+	local_irq_save(flags);
+
+	/*
+	 * This is the most destructive of the TLB flushing options,
+	 * and will tear down all of the UTLB/ITLB mappings, including
+	 * wired entries.
+	 */
+	__raw_writel(__raw_readl(MMUCR) | MMUCR_TI, MMUCR);
+
+	local_irq_restore(flags);
+}
diff --git a/arch/sh/mm/tlbflush_64.c b/arch/sh/mm/tlbflush_64.c
index 03db41c..7f5810f 100644
--- a/arch/sh/mm/tlbflush_64.c
+++ b/arch/sh/mm/tlbflush_64.c
@@ -455,6 +455,11 @@ void local_flush_tlb_kernel_range(unsigned long start, unsigned long end)
         flush_tlb_all();
 }
 
+void __flush_tlb_global(void)
+{
+	flush_tlb_all();
+}
+
 void __update_tlb(struct vm_area_struct *vma, unsigned long address, pte_t pte)
 {
 }