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Diffstat (limited to 'arch/powerpc/include/asm/book3s/32/tlbflush.h')
-rw-r--r--arch/powerpc/include/asm/book3s/32/tlbflush.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/book3s/32/tlbflush.h b/arch/powerpc/include/asm/book3s/32/tlbflush.h
index 42708c1719d6..d941c06d4f2e 100644
--- a/arch/powerpc/include/asm/book3s/32/tlbflush.h
+++ b/arch/powerpc/include/asm/book3s/32/tlbflush.h
@@ -20,6 +20,17 @@ static inline void _tlbie(unsigned long address)
#endif
void _tlbia(void);
+/*
+ * Called at the end of a mmu_gather operation to make sure the
+ * TLB flush is completely done.
+ */
+static inline void tlb_flush(struct mmu_gather *tlb)
+{
+ /* 603 needs to flush the whole TLB here since it doesn't use a hash table. */
+ if (!mmu_has_feature(MMU_FTR_HPTE_TABLE))
+ _tlbia();
+}
+
static inline void flush_range(struct mm_struct *mm, unsigned long start, unsigned long end)
{
start &= PAGE_MASK;