diff options
Diffstat (limited to 'arch/powerpc/mm/mmu_context_nohash.c')
| -rw-r--r-- | arch/powerpc/mm/mmu_context_nohash.c | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/arch/powerpc/mm/mmu_context_nohash.c b/arch/powerpc/mm/mmu_context_nohash.c index c2f93dc470e6..dbc692145ecb 100644 --- a/arch/powerpc/mm/mmu_context_nohash.c +++ b/arch/powerpc/mm/mmu_context_nohash.c @@ -25,8 +25,8 @@ * also clear mm->cpu_vm_mask bits when processes are migrated */ -#define DEBUG_MAP_CONSISTENCY -#define DEBUG_CLAMP_LAST_CONTEXT 31 +//#define DEBUG_MAP_CONSISTENCY +//#define DEBUG_CLAMP_LAST_CONTEXT 31 //#define DEBUG_HARDER /* We don't use DEBUG because it tends to be compiled in always nowadays @@ -56,7 +56,7 @@ static unsigned int next_context, nr_free_contexts; static unsigned long *context_map; static unsigned long *stale_map[NR_CPUS]; static struct mm_struct **context_mm; -static DEFINE_SPINLOCK(context_lock); +static DEFINE_RAW_SPINLOCK(context_lock); #define CTX_MAP_SIZE \ (sizeof(unsigned long) * (last_context / BITS_PER_LONG + 1)) @@ -121,9 +121,9 @@ static unsigned int steal_context_smp(unsigned int id) /* This will happen if you have more CPUs than available contexts, * all we can do here is wait a bit and try again */ - spin_unlock(&context_lock); + raw_spin_unlock(&context_lock); cpu_relax(); - spin_lock(&context_lock); + raw_spin_lock(&context_lock); /* This will cause the caller to try again */ return MMU_NO_CONTEXT; @@ -194,7 +194,7 @@ void switch_mmu_context(struct mm_struct *prev, struct mm_struct *next) unsigned long *map; /* No lockless fast path .. yet */ - spin_lock(&context_lock); + raw_spin_lock(&context_lock); pr_hard("[%d] activating context for mm @%p, active=%d, id=%d", cpu, next, next->context.active, next->context.id); @@ -278,7 +278,7 @@ void switch_mmu_context(struct mm_struct *prev, struct mm_struct *next) /* Flick the MMU and release lock */ pr_hardcont(" -> %d\n", id); set_context(id, next->pgd); - spin_unlock(&context_lock); + raw_spin_unlock(&context_lock); } /* @@ -307,7 +307,7 @@ void destroy_context(struct mm_struct *mm) WARN_ON(mm->context.active != 0); - spin_lock_irqsave(&context_lock, flags); + raw_spin_lock_irqsave(&context_lock, flags); id = mm->context.id; if (id != MMU_NO_CONTEXT) { __clear_bit(id, context_map); @@ -318,7 +318,7 @@ void destroy_context(struct mm_struct *mm) context_mm[id] = NULL; nr_free_contexts++; } - spin_unlock_irqrestore(&context_lock, flags); + raw_spin_unlock_irqrestore(&context_lock, flags); } #ifdef CONFIG_SMP @@ -353,7 +353,7 @@ static int __cpuinit mmu_context_cpu_notify(struct notifier_block *self, read_lock(&tasklist_lock); for_each_process(p) { if (p->mm) - cpu_mask_clear_cpu(cpu, mm_cpumask(p->mm)); + cpumask_clear_cpu(cpu, mm_cpumask(p->mm)); } read_unlock(&tasklist_lock); break; |