Merge commit 'v2.6.34-rc6' into core/locking

diff --git a/arch/mips/include/asm/i8253.h b/arch/mips/include/asm/i8253.h
index 032ca73..48bb823 100644 (file)
--- a/arch/mips/include/asm/i8253.h
+++ b/arch/mips/include/asm/i8253.h
@@ -12,7 +12,7 @@
 #define PIT_CH0                        0x40
 #define PIT_CH2                        0x42
 
-extern spinlock_t i8253_lock;
+extern raw_spinlock_t i8253_lock;
 
 extern void setup_pit_timer(void);
 

diff --git a/arch/mips/kernel/i8253.c b/arch/mips/kernel/i8253.c
index ed5c441..9479406 100644 (file)
--- a/arch/mips/kernel/i8253.c
+++ b/arch/mips/kernel/i8253.c
@@ -15,7 +15,7 @@
 #include <asm/io.h>
 #include <asm/time.h>
 
-DEFINE_SPINLOCK(i8253_lock);
+DEFINE_RAW_SPINLOCK(i8253_lock);
 EXPORT_SYMBOL(i8253_lock);
 
 /*
@@ -26,7 +26,7 @@ EXPORT_SYMBOL(i8253_lock);
 static void init_pit_timer(enum clock_event_mode mode,
                           struct clock_event_device *evt)
 {
-       spin_lock(&i8253_lock);
+       raw_spin_lock(&i8253_lock);
 
        switch(mode) {
        case CLOCK_EVT_MODE_PERIODIC:
@@ -55,7 +55,7 @@ static void init_pit_timer(enum clock_event_mode mode,
                /* Nothing to do here */
                break;
        }
-       spin_unlock(&i8253_lock);
+       raw_spin_unlock(&i8253_lock);
 }
 
 /*
@@ -65,10 +65,10 @@ static void init_pit_timer(enum clock_event_mode mode,
  */
 static int pit_next_event(unsigned long delta, struct clock_event_device *evt)
 {
-       spin_lock(&i8253_lock);
+       raw_spin_lock(&i8253_lock);
        outb_p(delta & 0xff , PIT_CH0); /* LSB */
        outb(delta >> 8 , PIT_CH0);     /* MSB */
-       spin_unlock(&i8253_lock);
+       raw_spin_unlock(&i8253_lock);
 
        return 0;
 }
@@ -137,7 +137,7 @@ static cycle_t pit_read(struct clocksource *cs)
        static int old_count;
        static u32 old_jifs;
 
-       spin_lock_irqsave(&i8253_lock, flags);
+       raw_spin_lock_irqsave(&i8253_lock, flags);
        /*
         * Although our caller may have the read side of xtime_lock,
         * this is now a seqlock, and we are cheating in this routine
@@ -183,7 +183,7 @@ static cycle_t pit_read(struct clocksource *cs)
        old_count = count;
        old_jifs = jifs;
 
-       spin_unlock_irqrestore(&i8253_lock, flags);
+       raw_spin_unlock_irqrestore(&i8253_lock, flags);
 
        count = (LATCH - 1) - count;
 

diff --git a/arch/x86/include/asm/i8253.h b/arch/x86/include/asm/i8253.h
index 1edbf89..fc1f579 100644 (file)
--- a/arch/x86/include/asm/i8253.h
+++ b/arch/x86/include/asm/i8253.h
@@ -6,7 +6,7 @@
 #define PIT_CH0                        0x40
 #define PIT_CH2                        0x42
 
-extern spinlock_t i8253_lock;
+extern raw_spinlock_t i8253_lock;
 
 extern struct clock_event_device *global_clock_event;
 

diff --git a/arch/x86/kernel/apm_32.c b/arch/x86/kernel/apm_32.c
index 031aa88..c4f9182 100644 (file)
--- a/arch/x86/kernel/apm_32.c
+++ b/arch/x86/kernel/apm_32.c
@@ -1224,7 +1224,7 @@ static void reinit_timer(void)
 #ifdef INIT_TIMER_AFTER_SUSPEND
        unsigned long flags;
 
-       spin_lock_irqsave(&i8253_lock, flags);
+       raw_spin_lock_irqsave(&i8253_lock, flags);
        /* set the clock to HZ */
        outb_pit(0x34, PIT_MODE);               /* binary, mode 2, LSB/MSB, ch 0 */
        udelay(10);
@@ -1232,7 +1232,7 @@ static void reinit_timer(void)
        udelay(10);
        outb_pit(LATCH >> 8, PIT_CH0);  /* MSB */
        udelay(10);
-       spin_unlock_irqrestore(&i8253_lock, flags);
+       raw_spin_unlock_irqrestore(&i8253_lock, flags);
 #endif
 }
 

diff --git a/arch/x86/kernel/i8253.c b/arch/x86/kernel/i8253.c
index 23c1679..2dfd315 100644 (file)
--- a/arch/x86/kernel/i8253.c
+++ b/arch/x86/kernel/i8253.c
@@ -16,7 +16,7 @@
 #include <asm/hpet.h>
 #include <asm/smp.h>
 
-DEFINE_SPINLOCK(i8253_lock);
+DEFINE_RAW_SPINLOCK(i8253_lock);
 EXPORT_SYMBOL(i8253_lock);
 
 /*
@@ -33,7 +33,7 @@ struct clock_event_device *global_clock_event;
 static void init_pit_timer(enum clock_event_mode mode,
                           struct clock_event_device *evt)
 {
-       spin_lock(&i8253_lock);
+       raw_spin_lock(&i8253_lock);
 
        switch (mode) {
        case CLOCK_EVT_MODE_PERIODIC:
@@ -62,7 +62,7 @@ static void init_pit_timer(enum clock_event_mode mode,
                /* Nothing to do here */
                break;
        }
-       spin_unlock(&i8253_lock);
+       raw_spin_unlock(&i8253_lock);
 }
 
 /*
@@ -72,10 +72,10 @@ static void init_pit_timer(enum clock_event_mode mode,
  */
 static int pit_next_event(unsigned long delta, struct clock_event_device *evt)
 {
-       spin_lock(&i8253_lock);
+       raw_spin_lock(&i8253_lock);
        outb_pit(delta & 0xff , PIT_CH0);       /* LSB */
        outb_pit(delta >> 8 , PIT_CH0);         /* MSB */
-       spin_unlock(&i8253_lock);
+       raw_spin_unlock(&i8253_lock);
 
        return 0;
 }
@@ -130,7 +130,7 @@ static cycle_t pit_read(struct clocksource *cs)
        int count;
        u32 jifs;
 
-       spin_lock_irqsave(&i8253_lock, flags);
+       raw_spin_lock_irqsave(&i8253_lock, flags);
        /*
         * Although our caller may have the read side of xtime_lock,
         * this is now a seqlock, and we are cheating in this routine
@@ -176,7 +176,7 @@ static cycle_t pit_read(struct clocksource *cs)
        old_count = count;
        old_jifs = jifs;
 
-       spin_unlock_irqrestore(&i8253_lock, flags);
+       raw_spin_unlock_irqrestore(&i8253_lock, flags);
 
        count = (LATCH - 1) - count;
 

diff --git a/drivers/block/hd.c b/drivers/block/hd.c
index 034e6df..81c78b3 100644 (file)
--- a/drivers/block/hd.c
+++ b/drivers/block/hd.c
@@ -164,12 +164,12 @@ unsigned long read_timer(void)
        unsigned long t, flags;
        int i;
 
-       spin_lock_irqsave(&i8253_lock, flags);
+       raw_spin_lock_irqsave(&i8253_lock, flags);
        t = jiffies * 11932;
        outb_p(0, 0x43);
        i = inb_p(0x40);
        i |= inb(0x40) << 8;
-       spin_unlock_irqrestore(&i8253_lock, flags);
+       raw_spin_unlock_irqrestore(&i8253_lock, flags);
        return(t - i);
 }
 #endif

diff --git a/drivers/input/gameport/gameport.c b/drivers/input/gameport/gameport.c
index 7e18bcf..46239e4 100644 (file)
--- a/drivers/input/gameport/gameport.c
+++ b/drivers/input/gameport/gameport.c
@@ -59,11 +59,11 @@ static unsigned int get_time_pit(void)
        unsigned long flags;
        unsigned int count;
 
-       spin_lock_irqsave(&i8253_lock, flags);
+       raw_spin_lock_irqsave(&i8253_lock, flags);
        outb_p(0x00, 0x43);
        count = inb_p(0x40);
        count |= inb_p(0x40) << 8;
-       spin_unlock_irqrestore(&i8253_lock, flags);
+       raw_spin_unlock_irqrestore(&i8253_lock, flags);
 
        return count;
 }

diff --git a/drivers/input/joystick/analog.c b/drivers/input/joystick/analog.c
index 1c0b529..4afe0a3 100644 (file)
--- a/drivers/input/joystick/analog.c
+++ b/drivers/input/joystick/analog.c
@@ -146,11 +146,11 @@ static unsigned int get_time_pit(void)
         unsigned long flags;
         unsigned int count;
 
-        spin_lock_irqsave(&i8253_lock, flags);
+        raw_spin_lock_irqsave(&i8253_lock, flags);
         outb_p(0x00, 0x43);
         count = inb_p(0x40);
         count |= inb_p(0x40) << 8;
-        spin_unlock_irqrestore(&i8253_lock, flags);
+        raw_spin_unlock_irqrestore(&i8253_lock, flags);
 
         return count;
 }

diff --git a/drivers/input/misc/pcspkr.c b/drivers/input/misc/pcspkr.c
index ea4e1fd..f080dd3 100644 (file)
--- a/drivers/input/misc/pcspkr.c
+++ b/drivers/input/misc/pcspkr.c
@@ -30,7 +30,7 @@ MODULE_ALIAS("platform:pcspkr");
 #include <asm/i8253.h>
 #else
 #include <asm/8253pit.h>
-static DEFINE_SPINLOCK(i8253_lock);
+static DEFINE_RAW_SPINLOCK(i8253_lock);
 #endif
 
 static int pcspkr_event(struct input_dev *dev, unsigned int type, unsigned int code, int value)
@@ -50,7 +50,7 @@ static int pcspkr_event(struct input_dev *dev, unsigned int type, unsigned int c
        if (value > 20 && value < 32767)
                count = PIT_TICK_RATE / value;
 
-       spin_lock_irqsave(&i8253_lock, flags);
+       raw_spin_lock_irqsave(&i8253_lock, flags);
 
        if (count) {
                /* set command for counter 2, 2 byte write */
@@ -65,7 +65,7 @@ static int pcspkr_event(struct input_dev *dev, unsigned int type, unsigned int c
                outb(inb_p(0x61) & 0xFC, 0x61);
        }
 
-       spin_unlock_irqrestore(&i8253_lock, flags);
+       raw_spin_unlock_irqrestore(&i8253_lock, flags);
 
        return 0;
 }

diff --git a/kernel/lockdep.c b/kernel/lockdep.c
index 2594e1c..78325f8 100644 (file)
--- a/kernel/lockdep.c
+++ b/kernel/lockdep.c
@@ -431,20 +431,7 @@ static struct stack_trace lockdep_init_trace = {
 /*
  * Various lockdep statistics:
  */
-atomic_t chain_lookup_hits;
-atomic_t chain_lookup_misses;
-atomic_t hardirqs_on_events;
-atomic_t hardirqs_off_events;
-atomic_t redundant_hardirqs_on;
-atomic_t redundant_hardirqs_off;
-atomic_t softirqs_on_events;
-atomic_t softirqs_off_events;
-atomic_t redundant_softirqs_on;
-atomic_t redundant_softirqs_off;
-atomic_t nr_unused_locks;
-atomic_t nr_cyclic_checks;
-atomic_t nr_find_usage_forwards_checks;
-atomic_t nr_find_usage_backwards_checks;
+DEFINE_PER_CPU(struct lockdep_stats, lockdep_stats);
 #endif
 
 /*
@@ -748,7 +735,7 @@ register_lock_class(struct lockdep_map *lock, unsigned int subclass, int force)
                return NULL;
        }
        class = lock_classes + nr_lock_classes++;
-       debug_atomic_inc(&nr_unused_locks);
+       debug_atomic_inc(nr_unused_locks);
        class->key = key;
        class->name = lock->name;
        class->subclass = subclass;
@@ -1205,7 +1192,7 @@ check_noncircular(struct lock_list *root, struct lock_class *target,
 {
        int result;
 
-       debug_atomic_inc(&nr_cyclic_checks);
+       debug_atomic_inc(nr_cyclic_checks);
 
        result = __bfs_forwards(root, target, class_equal, target_entry);
 
@@ -1242,7 +1229,7 @@ find_usage_forwards(struct lock_list *root, enum lock_usage_bit bit,
 {
        int result;
 
-       debug_atomic_inc(&nr_find_usage_forwards_checks);
+       debug_atomic_inc(nr_find_usage_forwards_checks);
 
        result = __bfs_forwards(root, (void *)bit, usage_match, target_entry);
 
@@ -1265,7 +1252,7 @@ find_usage_backwards(struct lock_list *root, enum lock_usage_bit bit,
 {
        int result;
 
-       debug_atomic_inc(&nr_find_usage_backwards_checks);
+       debug_atomic_inc(nr_find_usage_backwards_checks);
 
        result = __bfs_backwards(root, (void *)bit, usage_match, target_entry);
 
@@ -1825,7 +1812,7 @@ static inline int lookup_chain_cache(struct task_struct *curr,
        list_for_each_entry(chain, hash_head, entry) {
                if (chain->chain_key == chain_key) {
 cache_hit:
-                       debug_atomic_inc(&chain_lookup_hits);
+                       debug_atomic_inc(chain_lookup_hits);
                        if (very_verbose(class))
                                printk("\nhash chain already cached, key: "
                                        "%016Lx tail class: [%p] %s\n",
@@ -1890,7 +1877,7 @@ cache_hit:
                chain_hlocks[chain->base + j] = class - lock_classes;
        }
        list_add_tail_rcu(&chain->entry, hash_head);
-       debug_atomic_inc(&chain_lookup_misses);
+       debug_atomic_inc(chain_lookup_misses);
        inc_chains();
 
        return 1;
@@ -2311,7 +2298,7 @@ void trace_hardirqs_on_caller(unsigned long ip)
                return;
 
        if (unlikely(curr->hardirqs_enabled)) {
-               debug_atomic_inc(&redundant_hardirqs_on);
+               debug_atomic_inc(redundant_hardirqs_on);
                return;
        }
        /* we'll do an OFF -> ON transition: */
@@ -2338,7 +2325,7 @@ void trace_hardirqs_on_caller(unsigned long ip)
 
        curr->hardirq_enable_ip = ip;
        curr->hardirq_enable_event = ++curr->irq_events;
-       debug_atomic_inc(&hardirqs_on_events);
+       debug_atomic_inc(hardirqs_on_events);
 }
 EXPORT_SYMBOL(trace_hardirqs_on_caller);
 
@@ -2370,9 +2357,9 @@ void trace_hardirqs_off_caller(unsigned long ip)
                curr->hardirqs_enabled = 0;
                curr->hardirq_disable_ip = ip;
                curr->hardirq_disable_event = ++curr->irq_events;
-               debug_atomic_inc(&hardirqs_off_events);
+               debug_atomic_inc(hardirqs_off_events);
        } else
-               debug_atomic_inc(&redundant_hardirqs_off);
+               debug_atomic_inc(redundant_hardirqs_off);
 }
 EXPORT_SYMBOL(trace_hardirqs_off_caller);
 
@@ -2396,7 +2383,7 @@ void trace_softirqs_on(unsigned long ip)
                return;
 
        if (curr->softirqs_enabled) {
-               debug_atomic_inc(&redundant_softirqs_on);
+               debug_atomic_inc(redundant_softirqs_on);
                return;
        }
 
@@ -2406,7 +2393,7 @@ void trace_softirqs_on(unsigned long ip)
        curr->softirqs_enabled = 1;
        curr->softirq_enable_ip = ip;
        curr->softirq_enable_event = ++curr->irq_events;
-       debug_atomic_inc(&softirqs_on_events);
+       debug_atomic_inc(softirqs_on_events);
        /*
         * We are going to turn softirqs on, so set the
         * usage bit for all held locks, if hardirqs are
@@ -2436,10 +2423,10 @@ void trace_softirqs_off(unsigned long ip)
                curr->softirqs_enabled = 0;
                curr->softirq_disable_ip = ip;
                curr->softirq_disable_event = ++curr->irq_events;
-               debug_atomic_inc(&softirqs_off_events);
+               debug_atomic_inc(softirqs_off_events);
                DEBUG_LOCKS_WARN_ON(!softirq_count());
        } else
-               debug_atomic_inc(&redundant_softirqs_off);
+               debug_atomic_inc(redundant_softirqs_off);
 }
 
 static void __lockdep_trace_alloc(gfp_t gfp_mask, unsigned long flags)
@@ -2644,7 +2631,7 @@ static int mark_lock(struct task_struct *curr, struct held_lock *this,
                        return 0;
                break;
        case LOCK_USED:
-               debug_atomic_dec(&nr_unused_locks);
+               debug_atomic_dec(nr_unused_locks);
                break;
        default:
                if (!debug_locks_off_graph_unlock())
@@ -2750,7 +2737,7 @@ static int __lock_acquire(struct lockdep_map *lock, unsigned int subclass,
                if (!class)
                        return 0;
        }
-       debug_atomic_inc((atomic_t *)&class->ops);
+       atomic_inc((atomic_t *)&class->ops);
        if (very_verbose(class)) {
                printk("\nacquire class [%p] %s", class->key, class->name);
                if (class->name_version > 1)

diff --git a/kernel/lockdep_internals.h b/kernel/lockdep_internals.h
index a2ee95a..8d7d4b6 100644 (file)
--- a/kernel/lockdep_internals.h
+++ b/kernel/lockdep_internals.h
@@ -110,29 +110,61 @@ lockdep_count_backward_deps(struct lock_class *class)
 #endif
 
 #ifdef CONFIG_DEBUG_LOCKDEP
+
+#include <asm/local.h>
 /*
- * Various lockdep statistics:
+ * Various lockdep statistics.
+ * We want them per cpu as they are often accessed in fast path
+ * and we want to avoid too much cache bouncing.
  */
-extern atomic_t chain_lookup_hits;
-extern atomic_t chain_lookup_misses;
-extern atomic_t hardirqs_on_events;
-extern atomic_t hardirqs_off_events;
-extern atomic_t redundant_hardirqs_on;
-extern atomic_t redundant_hardirqs_off;
-extern atomic_t softirqs_on_events;
-extern atomic_t softirqs_off_events;
-extern atomic_t redundant_softirqs_on;
-extern atomic_t redundant_softirqs_off;
-extern atomic_t nr_unused_locks;
-extern atomic_t nr_cyclic_checks;
-extern atomic_t nr_cyclic_check_recursions;
-extern atomic_t nr_find_usage_forwards_checks;
-extern atomic_t nr_find_usage_forwards_recursions;
-extern atomic_t nr_find_usage_backwards_checks;
-extern atomic_t nr_find_usage_backwards_recursions;
-# define debug_atomic_inc(ptr)         atomic_inc(ptr)
-# define debug_atomic_dec(ptr)         atomic_dec(ptr)
-# define debug_atomic_read(ptr)                atomic_read(ptr)
+struct lockdep_stats {
+       int     chain_lookup_hits;
+       int     chain_lookup_misses;
+       int     hardirqs_on_events;
+       int     hardirqs_off_events;
+       int     redundant_hardirqs_on;
+       int     redundant_hardirqs_off;
+       int     softirqs_on_events;
+       int     softirqs_off_events;
+       int     redundant_softirqs_on;
+       int     redundant_softirqs_off;
+       int     nr_unused_locks;
+       int     nr_cyclic_checks;
+       int     nr_cyclic_check_recursions;
+       int     nr_find_usage_forwards_checks;
+       int     nr_find_usage_forwards_recursions;
+       int     nr_find_usage_backwards_checks;
+       int     nr_find_usage_backwards_recursions;
+};
+
+DECLARE_PER_CPU(struct lockdep_stats, lockdep_stats);
+
+#define debug_atomic_inc(ptr)                  {               \
+       struct lockdep_stats *__cpu_lockdep_stats;              \
+                                                               \
+       WARN_ON_ONCE(!irqs_disabled());                         \
+       __cpu_lockdep_stats = &__get_cpu_var(lockdep_stats);    \
+       __cpu_lockdep_stats->ptr++;                             \
+}
+
+#define debug_atomic_dec(ptr)                  {               \
+       struct lockdep_stats *__cpu_lockdep_stats;              \
+                                                               \
+       WARN_ON_ONCE(!irqs_disabled());                         \
+       __cpu_lockdep_stats = &__get_cpu_var(lockdep_stats);    \
+       __cpu_lockdep_stats->ptr--;                             \
+}
+
+#define debug_atomic_read(ptr)         ({                              \
+       struct lockdep_stats *__cpu_lockdep_stats;                      \
+       unsigned long long __total = 0;                                 \
+       int __cpu;                                                      \
+       for_each_possible_cpu(__cpu) {                                  \
+               __cpu_lockdep_stats = &per_cpu(lockdep_stats, __cpu);   \
+               __total += __cpu_lockdep_stats->ptr;                    \
+       }                                                               \
+       __total;                                                        \
+})
 #else
 # define debug_atomic_inc(ptr)         do { } while (0)
 # define debug_atomic_dec(ptr)         do { } while (0)

diff --git a/kernel/lockdep_proc.c b/kernel/lockdep_proc.c
index d4aba4f..59b76c8 100644 (file)
--- a/kernel/lockdep_proc.c
+++ b/kernel/lockdep_proc.c
@@ -184,34 +184,34 @@ static const struct file_operations proc_lockdep_chains_operations = {
 static void lockdep_stats_debug_show(struct seq_file *m)
 {
 #ifdef CONFIG_DEBUG_LOCKDEP
-       unsigned int hi1 = debug_atomic_read(&hardirqs_on_events),
-                    hi2 = debug_atomic_read(&hardirqs_off_events),
-                    hr1 = debug_atomic_read(&redundant_hardirqs_on),
-                    hr2 = debug_atomic_read(&redundant_hardirqs_off),
-                    si1 = debug_atomic_read(&softirqs_on_events),
-                    si2 = debug_atomic_read(&softirqs_off_events),
-                    sr1 = debug_atomic_read(&redundant_softirqs_on),
-                    sr2 = debug_atomic_read(&redundant_softirqs_off);
-
-       seq_printf(m, " chain lookup misses:           %11u\n",
-               debug_atomic_read(&chain_lookup_misses));
-       seq_printf(m, " chain lookup hits:             %11u\n",
-               debug_atomic_read(&chain_lookup_hits));
-       seq_printf(m, " cyclic checks:                 %11u\n",
-               debug_atomic_read(&nr_cyclic_checks));
-       seq_printf(m, " find-mask forwards checks:     %11u\n",
-               debug_atomic_read(&nr_find_usage_forwards_checks));
-       seq_printf(m, " find-mask backwards checks:    %11u\n",
-               debug_atomic_read(&nr_find_usage_backwards_checks));
-
-       seq_printf(m, " hardirq on events:             %11u\n", hi1);
-       seq_printf(m, " hardirq off events:            %11u\n", hi2);
-       seq_printf(m, " redundant hardirq ons:         %11u\n", hr1);
-       seq_printf(m, " redundant hardirq offs:        %11u\n", hr2);
-       seq_printf(m, " softirq on events:             %11u\n", si1);
-       seq_printf(m, " softirq off events:            %11u\n", si2);
-       seq_printf(m, " redundant softirq ons:         %11u\n", sr1);
-       seq_printf(m, " redundant softirq offs:        %11u\n", sr2);
+       unsigned long long hi1 = debug_atomic_read(hardirqs_on_events),
+                          hi2 = debug_atomic_read(hardirqs_off_events),
+                          hr1 = debug_atomic_read(redundant_hardirqs_on),
+                          hr2 = debug_atomic_read(redundant_hardirqs_off),
+                          si1 = debug_atomic_read(softirqs_on_events),
+                          si2 = debug_atomic_read(softirqs_off_events),
+                          sr1 = debug_atomic_read(redundant_softirqs_on),
+                          sr2 = debug_atomic_read(redundant_softirqs_off);
+
+       seq_printf(m, " chain lookup misses:           %11llu\n",
+               debug_atomic_read(chain_lookup_misses));
+       seq_printf(m, " chain lookup hits:             %11llu\n",
+               debug_atomic_read(chain_lookup_hits));
+       seq_printf(m, " cyclic checks:                 %11llu\n",
+               debug_atomic_read(nr_cyclic_checks));
+       seq_printf(m, " find-mask forwards checks:     %11llu\n",
+               debug_atomic_read(nr_find_usage_forwards_checks));
+       seq_printf(m, " find-mask backwards checks:    %11llu\n",
+               debug_atomic_read(nr_find_usage_backwards_checks));
+
+       seq_printf(m, " hardirq on events:             %11llu\n", hi1);
+       seq_printf(m, " hardirq off events:            %11llu\n", hi2);
+       seq_printf(m, " redundant hardirq ons:         %11llu\n", hr1);
+       seq_printf(m, " redundant hardirq offs:        %11llu\n", hr2);
+       seq_printf(m, " softirq on events:             %11llu\n", si1);
+       seq_printf(m, " softirq off events:            %11llu\n", si2);
+       seq_printf(m, " redundant softirq ons:         %11llu\n", sr1);
+       seq_printf(m, " redundant softirq offs:        %11llu\n", sr2);
 #endif
 }
 
@@ -263,7 +263,7 @@ static int lockdep_stats_show(struct seq_file *m, void *v)
 #endif
        }
 #ifdef CONFIG_DEBUG_LOCKDEP
-       DEBUG_LOCKS_WARN_ON(debug_atomic_read(&nr_unused_locks) != nr_unused);
+       DEBUG_LOCKS_WARN_ON(debug_atomic_read(nr_unused_locks) != nr_unused);
 #endif
        seq_printf(m, " lock-classes:                  %11lu [max: %lu]\n",
                        nr_lock_classes, MAX_LOCKDEP_KEYS);

diff --git a/sound/drivers/pcsp/pcsp.h b/sound/drivers/pcsp/pcsp.h
index 1e12307..4ff6c8c 100644 (file)
--- a/sound/drivers/pcsp/pcsp.h
+++ b/sound/drivers/pcsp/pcsp.h
@@ -16,7 +16,7 @@
 #include <asm/i8253.h>
 #else
 #include <asm/8253pit.h>
-static DEFINE_SPINLOCK(i8253_lock);
+static DEFINE_RAW_SPINLOCK(i8253_lock);
 #endif
 
 #define PCSP_SOUND_VERSION 0x400       /* read 4.00 */

diff --git a/sound/drivers/pcsp/pcsp_input.c b/sound/drivers/pcsp/pcsp_input.c
index 0444cde..b5e2b54 100644 (file)
--- a/sound/drivers/pcsp/pcsp_input.c
+++ b/sound/drivers/pcsp/pcsp_input.c
@@ -21,7 +21,7 @@ static void pcspkr_do_sound(unsigned int count)
 {
        unsigned long flags;
 
-       spin_lock_irqsave(&i8253_lock, flags);
+       raw_spin_lock_irqsave(&i8253_lock, flags);
 
        if (count) {
                /* set command for counter 2, 2 byte write */
@@ -36,7 +36,7 @@ static void pcspkr_do_sound(unsigned int count)
                outb(inb_p(0x61) & 0xFC, 0x61);
        }
 
-       spin_unlock_irqrestore(&i8253_lock, flags);
+       raw_spin_unlock_irqrestore(&i8253_lock, flags);
 }
 
 void pcspkr_stop_sound(void)

diff --git a/sound/drivers/pcsp/pcsp_lib.c b/sound/drivers/pcsp/pcsp_lib.c
index d77ffa9..ce9e7d1 100644 (file)
--- a/sound/drivers/pcsp/pcsp_lib.c
+++ b/sound/drivers/pcsp/pcsp_lib.c
@@ -66,7 +66,7 @@ static u64 pcsp_timer_update(struct snd_pcsp *chip)
        timer_cnt = val * CUR_DIV() / 256;
 
        if (timer_cnt && chip->enable) {
-               spin_lock_irqsave(&i8253_lock, flags);
+               raw_spin_lock_irqsave(&i8253_lock, flags);
                if (!nforce_wa) {
                        outb_p(chip->val61, 0x61);
                        outb_p(timer_cnt, 0x42);
@@ -75,7 +75,7 @@ static u64 pcsp_timer_update(struct snd_pcsp *chip)
                        outb(chip->val61 ^ 2, 0x61);
                        chip->thalf = 1;
                }
-               spin_unlock_irqrestore(&i8253_lock, flags);
+               raw_spin_unlock_irqrestore(&i8253_lock, flags);
        }
 
        chip->ns_rem = PCSP_PERIOD_NS();
@@ -159,10 +159,10 @@ static int pcsp_start_playing(struct snd_pcsp *chip)
                return -EIO;
        }
 
-       spin_lock(&i8253_lock);
+       raw_spin_lock(&i8253_lock);
        chip->val61 = inb(0x61) | 0x03;
        outb_p(0x92, 0x43);     /* binary, mode 1, LSB only, ch 2 */
-       spin_unlock(&i8253_lock);
+       raw_spin_unlock(&i8253_lock);
        atomic_set(&chip->timer_active, 1);
        chip->thalf = 0;
 
@@ -179,11 +179,11 @@ static void pcsp_stop_playing(struct snd_pcsp *chip)
                return;
 
        atomic_set(&chip->timer_active, 0);
-       spin_lock(&i8253_lock);
+       raw_spin_lock(&i8253_lock);
        /* restore the timer */
        outb_p(0xb6, 0x43);     /* binary, mode 3, LSB/MSB, ch 2 */
        outb(chip->val61 & 0xFC, 0x61);
-       spin_unlock(&i8253_lock);
+       raw_spin_unlock(&i8253_lock);
 }
 
 /*