powerpc: Convert tlbivax_lock to raw_spinlock

tlbivax_lock needs to be a real spinlock in RT. Convert it to
raw_spinlock.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

1 files changed, 3 insertions, 3 deletions

diff --git a/arch/powerpc/mm/tlb_nohash.c b/arch/powerpc/mm/tlb_nohash.c
index 2fbc680c2c71..e81d5d67f834 100644
--- a/arch/powerpc/mm/tlb_nohash.c
+++ b/arch/powerpc/mm/tlb_nohash.c
@@ -150,7 +150,7 @@ EXPORT_SYMBOL(local_flush_tlb_page);
  */
 #ifdef CONFIG_SMP
 
-static DEFINE_SPINLOCK(tlbivax_lock);
+static DEFINE_RAW_SPINLOCK(tlbivax_lock);
 
 static int mm_is_core_local(struct mm_struct *mm)
 {
@@ -232,10 +232,10 @@ void __flush_tlb_page(struct mm_struct *mm, unsigned long vmaddr,
                 if (mmu_has_feature(MMU_FTR_USE_TLBIVAX_BCAST)) {
                         int lock = mmu_has_feature(MMU_FTR_LOCK_BCAST_INVAL);
                         if (lock)
-                                spin_lock(&tlbivax_lock);
+                                raw_spin_lock(&tlbivax_lock);
                         _tlbivax_bcast(vmaddr, pid, tsize, ind);
                         if (lock)
-                                spin_unlock(&tlbivax_lock);
+                                raw_spin_unlock(&tlbivax_lock);
                         goto bail;
                 } else {
                         struct tlb_flush_param p = {