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powerpc: Convert tlbivax_lock to raw_spinlock

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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>
This commit is contained in:
Thomas Gleixner 2010-02-18 02:22:44 +00:00 committed by Benjamin Herrenschmidt
parent 203041ad1f
commit 3eb93c558a
1 changed files with 3 additions and 3 deletions
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6
arch/powerpc/mm/tlb_nohash.c
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@ -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 = {