[PATCH v1 09/20] powerpc/32s: Inline _tlbie() on non SMP

[Christophe Leroy]

On non SMP, _tlbie() is just a tlbie plus a sync instruction.

Make it static inline.

Signed-off-by: Christophe Leroy <christophe.le...@csgroup.eu>
---
 arch/powerpc/include/asm/book3s/32/tlbflush.h | 7 +++++++
 arch/powerpc/mm/book3s32/hash_low.S           | 7 ++-----
 2 files changed, 9 insertions(+), 5 deletions(-)

diff --git a/arch/powerpc/include/asm/book3s/32/tlbflush.h 
b/arch/powerpc/include/asm/book3s/32/tlbflush.h
index 3043e7af70aa..f392a619138d 100644
--- a/arch/powerpc/include/asm/book3s/32/tlbflush.h
+++ b/arch/powerpc/include/asm/book3s/32/tlbflush.h
@@ -12,7 +12,14 @@ extern void flush_tlb_range(struct vm_area_struct *vma, 
unsigned long start,
                            unsigned long end);
 extern void flush_tlb_kernel_range(unsigned long start, unsigned long end);
 
+#ifdef CONFIG_SMP
 void _tlbie(unsigned long address);
+#else
+static inline void _tlbie(unsigned long address)
+{
+       asm volatile ("tlbie %0; sync" : : "r" (address) : "memory");
+}
+#endif
 void _tlbia(void);
 
 static inline void local_flush_tlb_page(struct vm_area_struct *vma,
diff --git a/arch/powerpc/mm/book3s32/hash_low.S 
b/arch/powerpc/mm/book3s32/hash_low.S
index b2c912e517b9..006e9a452bde 100644
--- a/arch/powerpc/mm/book3s32/hash_low.S
+++ b/arch/powerpc/mm/book3s32/hash_low.S
@@ -637,8 +637,8 @@ _ASM_NOKPROBE_SYMBOL(flush_hash_pages)
 /*
  * Flush an entry from the TLB
  */
-_GLOBAL(_tlbie)
 #ifdef CONFIG_SMP
+_GLOBAL(_tlbie)
        lwz     r8,TASK_CPU(r2)
        oris    r8,r8,11
        mfmsr   r10
@@ -662,12 +662,9 @@ _GLOBAL(_tlbie)
        stw     r0,0(r9)                /* clear mmu_hash_lock */
        mtmsr   r10
        isync
-#else /* CONFIG_SMP */
-       tlbie   r3
-       sync
-#endif /* CONFIG_SMP */
        blr
 _ASM_NOKPROBE_SYMBOL(_tlbie)
+#endif /* CONFIG_SMP */
 
 /*
  * Flush the entire TLB. 603/603e only
-- 
2.25.0