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-rw-r--r--arch/powerpc/include/asm/book3s/64/tlbflush.h12
1 files changed, 11 insertions, 1 deletions
diff --git a/arch/powerpc/include/asm/book3s/64/tlbflush.h b/arch/powerpc/include/asm/book3s/64/tlbflush.h
index 0cac17253513..ebf572ea621e 100644
--- a/arch/powerpc/include/asm/book3s/64/tlbflush.h
+++ b/arch/powerpc/include/asm/book3s/64/tlbflush.h
@@ -4,7 +4,7 @@
#define MMU_NO_CONTEXT ~0UL
-
+#include <linux/mm_types.h>
#include <asm/book3s/64/tlbflush-hash.h>
#include <asm/book3s/64/tlbflush-radix.h>
@@ -137,6 +137,16 @@ static inline void flush_all_mm(struct mm_struct *mm)
#define flush_tlb_page(vma, addr) local_flush_tlb_page(vma, addr)
#define flush_all_mm(mm) local_flush_all_mm(mm)
#endif /* CONFIG_SMP */
+
+#define flush_tlb_fix_spurious_fault flush_tlb_fix_spurious_fault
+static inline void flush_tlb_fix_spurious_fault(struct vm_area_struct *vma,
+ unsigned long address)
+{
+ /* See ptep_set_access_flags comment */
+ if (atomic_read(&vma->vm_mm->context.copros) > 0)
+ flush_tlb_page(vma, address);
+}
+
/*
* flush the page walk cache for the address
*/