genirq: Convert irq_desc.lock to raw_spinlock
Convert locks which cannot be sleeping locks in preempt-rt to
raw_spinlocks.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Peter Zijlstra <peterz@infradead.org>
Acked-by: Ingo Molnar <mingo@elte.hu>
diff --git a/kernel/irq/autoprobe.c b/kernel/irq/autoprobe.c
index 1de9700..2295a31 100644
--- a/kernel/irq/autoprobe.c
+++ b/kernel/irq/autoprobe.c
@@ -45,7 +45,7 @@
* flush such a longstanding irq before considering it as spurious.
*/
for_each_irq_desc_reverse(i, desc) {
- spin_lock_irq(&desc->lock);
+ raw_spin_lock_irq(&desc->lock);
if (!desc->action && !(desc->status & IRQ_NOPROBE)) {
/*
* An old-style architecture might still have
@@ -61,7 +61,7 @@
desc->chip->set_type(i, IRQ_TYPE_PROBE);
desc->chip->startup(i);
}
- spin_unlock_irq(&desc->lock);
+ raw_spin_unlock_irq(&desc->lock);
}
/* Wait for longstanding interrupts to trigger. */
@@ -73,13 +73,13 @@
* happened in the previous stage, it may have masked itself)
*/
for_each_irq_desc_reverse(i, desc) {
- spin_lock_irq(&desc->lock);
+ raw_spin_lock_irq(&desc->lock);
if (!desc->action && !(desc->status & IRQ_NOPROBE)) {
desc->status |= IRQ_AUTODETECT | IRQ_WAITING;
if (desc->chip->startup(i))
desc->status |= IRQ_PENDING;
}
- spin_unlock_irq(&desc->lock);
+ raw_spin_unlock_irq(&desc->lock);
}
/*
@@ -91,7 +91,7 @@
* Now filter out any obviously spurious interrupts
*/
for_each_irq_desc(i, desc) {
- spin_lock_irq(&desc->lock);
+ raw_spin_lock_irq(&desc->lock);
status = desc->status;
if (status & IRQ_AUTODETECT) {
@@ -103,7 +103,7 @@
if (i < 32)
mask |= 1 << i;
}
- spin_unlock_irq(&desc->lock);
+ raw_spin_unlock_irq(&desc->lock);
}
return mask;
@@ -129,7 +129,7 @@
int i;
for_each_irq_desc(i, desc) {
- spin_lock_irq(&desc->lock);
+ raw_spin_lock_irq(&desc->lock);
status = desc->status;
if (status & IRQ_AUTODETECT) {
@@ -139,7 +139,7 @@
desc->status = status & ~IRQ_AUTODETECT;
desc->chip->shutdown(i);
}
- spin_unlock_irq(&desc->lock);
+ raw_spin_unlock_irq(&desc->lock);
}
mutex_unlock(&probing_active);
@@ -171,7 +171,7 @@
unsigned int status;
for_each_irq_desc(i, desc) {
- spin_lock_irq(&desc->lock);
+ raw_spin_lock_irq(&desc->lock);
status = desc->status;
if (status & IRQ_AUTODETECT) {
@@ -183,7 +183,7 @@
desc->status = status & ~IRQ_AUTODETECT;
desc->chip->shutdown(i);
}
- spin_unlock_irq(&desc->lock);
+ raw_spin_unlock_irq(&desc->lock);
}
mutex_unlock(&probing_active);
diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c
index ba566c2..ecc3fa2 100644
--- a/kernel/irq/chip.c
+++ b/kernel/irq/chip.c
@@ -34,7 +34,7 @@
}
/* Ensure we don't have left over values from a previous use of this irq */
- spin_lock_irqsave(&desc->lock, flags);
+ raw_spin_lock_irqsave(&desc->lock, flags);
desc->status = IRQ_DISABLED;
desc->chip = &no_irq_chip;
desc->handle_irq = handle_bad_irq;
@@ -51,7 +51,7 @@
cpumask_clear(desc->pending_mask);
#endif
#endif
- spin_unlock_irqrestore(&desc->lock, flags);
+ raw_spin_unlock_irqrestore(&desc->lock, flags);
}
/**
@@ -68,9 +68,9 @@
return;
}
- spin_lock_irqsave(&desc->lock, flags);
+ raw_spin_lock_irqsave(&desc->lock, flags);
if (desc->action) {
- spin_unlock_irqrestore(&desc->lock, flags);
+ raw_spin_unlock_irqrestore(&desc->lock, flags);
WARN(1, KERN_ERR "Destroying IRQ%d without calling free_irq\n",
irq);
return;
@@ -82,7 +82,7 @@
desc->chip = &no_irq_chip;
desc->name = NULL;
clear_kstat_irqs(desc);
- spin_unlock_irqrestore(&desc->lock, flags);
+ raw_spin_unlock_irqrestore(&desc->lock, flags);
}
@@ -104,10 +104,10 @@
if (!chip)
chip = &no_irq_chip;
- spin_lock_irqsave(&desc->lock, flags);
+ raw_spin_lock_irqsave(&desc->lock, flags);
irq_chip_set_defaults(chip);
desc->chip = chip;
- spin_unlock_irqrestore(&desc->lock, flags);
+ raw_spin_unlock_irqrestore(&desc->lock, flags);
return 0;
}
@@ -133,9 +133,9 @@
if (type == IRQ_TYPE_NONE)
return 0;
- spin_lock_irqsave(&desc->lock, flags);
+ raw_spin_lock_irqsave(&desc->lock, flags);
ret = __irq_set_trigger(desc, irq, type);
- spin_unlock_irqrestore(&desc->lock, flags);
+ raw_spin_unlock_irqrestore(&desc->lock, flags);
return ret;
}
EXPORT_SYMBOL(set_irq_type);
@@ -158,9 +158,9 @@
return -EINVAL;
}
- spin_lock_irqsave(&desc->lock, flags);
+ raw_spin_lock_irqsave(&desc->lock, flags);
desc->handler_data = data;
- spin_unlock_irqrestore(&desc->lock, flags);
+ raw_spin_unlock_irqrestore(&desc->lock, flags);
return 0;
}
EXPORT_SYMBOL(set_irq_data);
@@ -183,11 +183,11 @@
return -EINVAL;
}
- spin_lock_irqsave(&desc->lock, flags);
+ raw_spin_lock_irqsave(&desc->lock, flags);
desc->msi_desc = entry;
if (entry)
entry->irq = irq;
- spin_unlock_irqrestore(&desc->lock, flags);
+ raw_spin_unlock_irqrestore(&desc->lock, flags);
return 0;
}
@@ -214,9 +214,9 @@
return -EINVAL;
}
- spin_lock_irqsave(&desc->lock, flags);
+ raw_spin_lock_irqsave(&desc->lock, flags);
desc->chip_data = data;
- spin_unlock_irqrestore(&desc->lock, flags);
+ raw_spin_unlock_irqrestore(&desc->lock, flags);
return 0;
}
@@ -241,12 +241,12 @@
if (!desc)
return;
- spin_lock_irqsave(&desc->lock, flags);
+ raw_spin_lock_irqsave(&desc->lock, flags);
if (nest)
desc->status |= IRQ_NESTED_THREAD;
else
desc->status &= ~IRQ_NESTED_THREAD;
- spin_unlock_irqrestore(&desc->lock, flags);
+ raw_spin_unlock_irqrestore(&desc->lock, flags);
}
EXPORT_SYMBOL_GPL(set_irq_nested_thread);
@@ -343,7 +343,7 @@
might_sleep();
- spin_lock_irq(&desc->lock);
+ raw_spin_lock_irq(&desc->lock);
kstat_incr_irqs_this_cpu(irq, desc);
@@ -352,17 +352,17 @@
goto out_unlock;
desc->status |= IRQ_INPROGRESS;
- spin_unlock_irq(&desc->lock);
+ raw_spin_unlock_irq(&desc->lock);
action_ret = action->thread_fn(action->irq, action->dev_id);
if (!noirqdebug)
note_interrupt(irq, desc, action_ret);
- spin_lock_irq(&desc->lock);
+ raw_spin_lock_irq(&desc->lock);
desc->status &= ~IRQ_INPROGRESS;
out_unlock:
- spin_unlock_irq(&desc->lock);
+ raw_spin_unlock_irq(&desc->lock);
}
EXPORT_SYMBOL_GPL(handle_nested_irq);
@@ -384,7 +384,7 @@
struct irqaction *action;
irqreturn_t action_ret;
- spin_lock(&desc->lock);
+ raw_spin_lock(&desc->lock);
if (unlikely(desc->status & IRQ_INPROGRESS))
goto out_unlock;
@@ -396,16 +396,16 @@
goto out_unlock;
desc->status |= IRQ_INPROGRESS;
- spin_unlock(&desc->lock);
+ raw_spin_unlock(&desc->lock);
action_ret = handle_IRQ_event(irq, action);
if (!noirqdebug)
note_interrupt(irq, desc, action_ret);
- spin_lock(&desc->lock);
+ raw_spin_lock(&desc->lock);
desc->status &= ~IRQ_INPROGRESS;
out_unlock:
- spin_unlock(&desc->lock);
+ raw_spin_unlock(&desc->lock);
}
/**
@@ -424,7 +424,7 @@
struct irqaction *action;
irqreturn_t action_ret;
- spin_lock(&desc->lock);
+ raw_spin_lock(&desc->lock);
mask_ack_irq(desc, irq);
if (unlikely(desc->status & IRQ_INPROGRESS))
@@ -441,13 +441,13 @@
goto out_unlock;
desc->status |= IRQ_INPROGRESS;
- spin_unlock(&desc->lock);
+ raw_spin_unlock(&desc->lock);
action_ret = handle_IRQ_event(irq, action);
if (!noirqdebug)
note_interrupt(irq, desc, action_ret);
- spin_lock(&desc->lock);
+ raw_spin_lock(&desc->lock);
desc->status &= ~IRQ_INPROGRESS;
if (unlikely(desc->status & IRQ_ONESHOT))
@@ -455,7 +455,7 @@
else if (!(desc->status & IRQ_DISABLED) && desc->chip->unmask)
desc->chip->unmask(irq);
out_unlock:
- spin_unlock(&desc->lock);
+ raw_spin_unlock(&desc->lock);
}
EXPORT_SYMBOL_GPL(handle_level_irq);
@@ -475,7 +475,7 @@
struct irqaction *action;
irqreturn_t action_ret;
- spin_lock(&desc->lock);
+ raw_spin_lock(&desc->lock);
if (unlikely(desc->status & IRQ_INPROGRESS))
goto out;
@@ -497,18 +497,18 @@
desc->status |= IRQ_INPROGRESS;
desc->status &= ~IRQ_PENDING;
- spin_unlock(&desc->lock);
+ raw_spin_unlock(&desc->lock);
action_ret = handle_IRQ_event(irq, action);
if (!noirqdebug)
note_interrupt(irq, desc, action_ret);
- spin_lock(&desc->lock);
+ raw_spin_lock(&desc->lock);
desc->status &= ~IRQ_INPROGRESS;
out:
desc->chip->eoi(irq);
- spin_unlock(&desc->lock);
+ raw_spin_unlock(&desc->lock);
}
/**
@@ -530,7 +530,7 @@
void
handle_edge_irq(unsigned int irq, struct irq_desc *desc)
{
- spin_lock(&desc->lock);
+ raw_spin_lock(&desc->lock);
desc->status &= ~(IRQ_REPLAY | IRQ_WAITING);
@@ -576,17 +576,17 @@
}
desc->status &= ~IRQ_PENDING;
- spin_unlock(&desc->lock);
+ raw_spin_unlock(&desc->lock);
action_ret = handle_IRQ_event(irq, action);
if (!noirqdebug)
note_interrupt(irq, desc, action_ret);
- spin_lock(&desc->lock);
+ raw_spin_lock(&desc->lock);
} while ((desc->status & (IRQ_PENDING | IRQ_DISABLED)) == IRQ_PENDING);
desc->status &= ~IRQ_INPROGRESS;
out_unlock:
- spin_unlock(&desc->lock);
+ raw_spin_unlock(&desc->lock);
}
/**
@@ -643,7 +643,7 @@
}
chip_bus_lock(irq, desc);
- spin_lock_irqsave(&desc->lock, flags);
+ raw_spin_lock_irqsave(&desc->lock, flags);
/* Uninstall? */
if (handle == handle_bad_irq) {
@@ -661,7 +661,7 @@
desc->depth = 0;
desc->chip->startup(irq);
}
- spin_unlock_irqrestore(&desc->lock, flags);
+ raw_spin_unlock_irqrestore(&desc->lock, flags);
chip_bus_sync_unlock(irq, desc);
}
EXPORT_SYMBOL_GPL(__set_irq_handler);
@@ -692,9 +692,9 @@
return;
}
- spin_lock_irqsave(&desc->lock, flags);
+ raw_spin_lock_irqsave(&desc->lock, flags);
desc->status |= IRQ_NOPROBE;
- spin_unlock_irqrestore(&desc->lock, flags);
+ raw_spin_unlock_irqrestore(&desc->lock, flags);
}
void __init set_irq_probe(unsigned int irq)
@@ -707,7 +707,7 @@
return;
}
- spin_lock_irqsave(&desc->lock, flags);
+ raw_spin_lock_irqsave(&desc->lock, flags);
desc->status &= ~IRQ_NOPROBE;
- spin_unlock_irqrestore(&desc->lock, flags);
+ raw_spin_unlock_irqrestore(&desc->lock, flags);
}
diff --git a/kernel/irq/handle.c b/kernel/irq/handle.c
index 17c71bb..814940e 100644
--- a/kernel/irq/handle.c
+++ b/kernel/irq/handle.c
@@ -80,7 +80,7 @@
.chip = &no_irq_chip,
.handle_irq = handle_bad_irq,
.depth = 1,
- .lock = __SPIN_LOCK_UNLOCKED(irq_desc_init.lock),
+ .lock = __RAW_SPIN_LOCK_UNLOCKED(irq_desc_init.lock),
};
void __ref init_kstat_irqs(struct irq_desc *desc, int node, int nr)
@@ -108,7 +108,7 @@
{
memcpy(desc, &irq_desc_init, sizeof(struct irq_desc));
- spin_lock_init(&desc->lock);
+ raw_spin_lock_init(&desc->lock);
desc->irq = irq;
#ifdef CONFIG_SMP
desc->node = node;
@@ -130,7 +130,7 @@
/*
* Protect the sparse_irqs:
*/
-DEFINE_SPINLOCK(sparse_irq_lock);
+DEFINE_RAW_SPINLOCK(sparse_irq_lock);
struct irq_desc **irq_desc_ptrs __read_mostly;
@@ -141,7 +141,7 @@
.chip = &no_irq_chip,
.handle_irq = handle_bad_irq,
.depth = 1,
- .lock = __SPIN_LOCK_UNLOCKED(irq_desc_init.lock),
+ .lock = __RAW_SPIN_LOCK_UNLOCKED(irq_desc_init.lock),
}
};
@@ -212,7 +212,7 @@
if (desc)
return desc;
- spin_lock_irqsave(&sparse_irq_lock, flags);
+ raw_spin_lock_irqsave(&sparse_irq_lock, flags);
/* We have to check it to avoid races with another CPU */
desc = irq_desc_ptrs[irq];
@@ -234,7 +234,7 @@
irq_desc_ptrs[irq] = desc;
out_unlock:
- spin_unlock_irqrestore(&sparse_irq_lock, flags);
+ raw_spin_unlock_irqrestore(&sparse_irq_lock, flags);
return desc;
}
@@ -247,7 +247,7 @@
.chip = &no_irq_chip,
.handle_irq = handle_bad_irq,
.depth = 1,
- .lock = __SPIN_LOCK_UNLOCKED(irq_desc->lock),
+ .lock = __RAW_SPIN_LOCK_UNLOCKED(irq_desc->lock),
}
};
@@ -473,7 +473,7 @@
return 1;
}
- spin_lock(&desc->lock);
+ raw_spin_lock(&desc->lock);
if (desc->chip->ack)
desc->chip->ack(irq);
/*
@@ -517,13 +517,13 @@
for (;;) {
irqreturn_t action_ret;
- spin_unlock(&desc->lock);
+ raw_spin_unlock(&desc->lock);
action_ret = handle_IRQ_event(irq, action);
if (!noirqdebug)
note_interrupt(irq, desc, action_ret);
- spin_lock(&desc->lock);
+ raw_spin_lock(&desc->lock);
if (likely(!(desc->status & IRQ_PENDING)))
break;
desc->status &= ~IRQ_PENDING;
@@ -536,7 +536,7 @@
* disabled while the handler was running.
*/
desc->chip->end(irq);
- spin_unlock(&desc->lock);
+ raw_spin_unlock(&desc->lock);
return 1;
}
diff --git a/kernel/irq/internals.h b/kernel/irq/internals.h
index 1b5d742..b2821f0 100644
--- a/kernel/irq/internals.h
+++ b/kernel/irq/internals.h
@@ -18,7 +18,7 @@
extern struct lock_class_key irq_desc_lock_class;
extern void init_kstat_irqs(struct irq_desc *desc, int node, int nr);
extern void clear_kstat_irqs(struct irq_desc *desc);
-extern spinlock_t sparse_irq_lock;
+extern raw_spinlock_t sparse_irq_lock;
#ifdef CONFIG_SPARSE_IRQ
/* irq_desc_ptrs allocated at boot time */
diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
index 7305b29..eb6078c 100644
--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -46,9 +46,9 @@
cpu_relax();
/* Ok, that indicated we're done: double-check carefully. */
- spin_lock_irqsave(&desc->lock, flags);
+ raw_spin_lock_irqsave(&desc->lock, flags);
status = desc->status;
- spin_unlock_irqrestore(&desc->lock, flags);
+ raw_spin_unlock_irqrestore(&desc->lock, flags);
/* Oops, that failed? */
} while (status & IRQ_INPROGRESS);
@@ -114,7 +114,7 @@
if (!desc->chip->set_affinity)
return -EINVAL;
- spin_lock_irqsave(&desc->lock, flags);
+ raw_spin_lock_irqsave(&desc->lock, flags);
#ifdef CONFIG_GENERIC_PENDING_IRQ
if (desc->status & IRQ_MOVE_PCNTXT) {
@@ -134,7 +134,7 @@
}
#endif
desc->status |= IRQ_AFFINITY_SET;
- spin_unlock_irqrestore(&desc->lock, flags);
+ raw_spin_unlock_irqrestore(&desc->lock, flags);
return 0;
}
@@ -181,11 +181,11 @@
unsigned long flags;
int ret;
- spin_lock_irqsave(&desc->lock, flags);
+ raw_spin_lock_irqsave(&desc->lock, flags);
ret = setup_affinity(irq, desc);
if (!ret)
irq_set_thread_affinity(desc);
- spin_unlock_irqrestore(&desc->lock, flags);
+ raw_spin_unlock_irqrestore(&desc->lock, flags);
return ret;
}
@@ -231,9 +231,9 @@
return;
chip_bus_lock(irq, desc);
- spin_lock_irqsave(&desc->lock, flags);
+ raw_spin_lock_irqsave(&desc->lock, flags);
__disable_irq(desc, irq, false);
- spin_unlock_irqrestore(&desc->lock, flags);
+ raw_spin_unlock_irqrestore(&desc->lock, flags);
chip_bus_sync_unlock(irq, desc);
}
EXPORT_SYMBOL(disable_irq_nosync);
@@ -308,9 +308,9 @@
return;
chip_bus_lock(irq, desc);
- spin_lock_irqsave(&desc->lock, flags);
+ raw_spin_lock_irqsave(&desc->lock, flags);
__enable_irq(desc, irq, false);
- spin_unlock_irqrestore(&desc->lock, flags);
+ raw_spin_unlock_irqrestore(&desc->lock, flags);
chip_bus_sync_unlock(irq, desc);
}
EXPORT_SYMBOL(enable_irq);
@@ -347,7 +347,7 @@
/* wakeup-capable irqs can be shared between drivers that
* don't need to have the same sleep mode behaviors.
*/
- spin_lock_irqsave(&desc->lock, flags);
+ raw_spin_lock_irqsave(&desc->lock, flags);
if (on) {
if (desc->wake_depth++ == 0) {
ret = set_irq_wake_real(irq, on);
@@ -368,7 +368,7 @@
}
}
- spin_unlock_irqrestore(&desc->lock, flags);
+ raw_spin_unlock_irqrestore(&desc->lock, flags);
return ret;
}
EXPORT_SYMBOL(set_irq_wake);
@@ -484,12 +484,12 @@
static void irq_finalize_oneshot(unsigned int irq, struct irq_desc *desc)
{
chip_bus_lock(irq, desc);
- spin_lock_irq(&desc->lock);
+ raw_spin_lock_irq(&desc->lock);
if (!(desc->status & IRQ_DISABLED) && (desc->status & IRQ_MASKED)) {
desc->status &= ~IRQ_MASKED;
desc->chip->unmask(irq);
}
- spin_unlock_irq(&desc->lock);
+ raw_spin_unlock_irq(&desc->lock);
chip_bus_sync_unlock(irq, desc);
}
@@ -514,9 +514,9 @@
return;
}
- spin_lock_irq(&desc->lock);
+ raw_spin_lock_irq(&desc->lock);
cpumask_copy(mask, desc->affinity);
- spin_unlock_irq(&desc->lock);
+ raw_spin_unlock_irq(&desc->lock);
set_cpus_allowed_ptr(current, mask);
free_cpumask_var(mask);
@@ -545,7 +545,7 @@
atomic_inc(&desc->threads_active);
- spin_lock_irq(&desc->lock);
+ raw_spin_lock_irq(&desc->lock);
if (unlikely(desc->status & IRQ_DISABLED)) {
/*
* CHECKME: We might need a dedicated
@@ -555,9 +555,9 @@
* retriggers the interrupt itself --- tglx
*/
desc->status |= IRQ_PENDING;
- spin_unlock_irq(&desc->lock);
+ raw_spin_unlock_irq(&desc->lock);
} else {
- spin_unlock_irq(&desc->lock);
+ raw_spin_unlock_irq(&desc->lock);
action->thread_fn(action->irq, action->dev_id);
@@ -679,7 +679,7 @@
/*
* The following block of code has to be executed atomically
*/
- spin_lock_irqsave(&desc->lock, flags);
+ raw_spin_lock_irqsave(&desc->lock, flags);
old_ptr = &desc->action;
old = *old_ptr;
if (old) {
@@ -775,7 +775,7 @@
__enable_irq(desc, irq, false);
}
- spin_unlock_irqrestore(&desc->lock, flags);
+ raw_spin_unlock_irqrestore(&desc->lock, flags);
/*
* Strictly no need to wake it up, but hung_task complains
@@ -802,7 +802,7 @@
ret = -EBUSY;
out_thread:
- spin_unlock_irqrestore(&desc->lock, flags);
+ raw_spin_unlock_irqrestore(&desc->lock, flags);
if (new->thread) {
struct task_struct *t = new->thread;
@@ -844,7 +844,7 @@
if (!desc)
return NULL;
- spin_lock_irqsave(&desc->lock, flags);
+ raw_spin_lock_irqsave(&desc->lock, flags);
/*
* There can be multiple actions per IRQ descriptor, find the right
@@ -856,7 +856,7 @@
if (!action) {
WARN(1, "Trying to free already-free IRQ %d\n", irq);
- spin_unlock_irqrestore(&desc->lock, flags);
+ raw_spin_unlock_irqrestore(&desc->lock, flags);
return NULL;
}
@@ -884,7 +884,7 @@
desc->chip->disable(irq);
}
- spin_unlock_irqrestore(&desc->lock, flags);
+ raw_spin_unlock_irqrestore(&desc->lock, flags);
unregister_handler_proc(irq, action);
diff --git a/kernel/irq/migration.c b/kernel/irq/migration.c
index fcb6c96..2419622 100644
--- a/kernel/irq/migration.c
+++ b/kernel/irq/migration.c
@@ -27,7 +27,7 @@
if (!desc->chip->set_affinity)
return;
- assert_spin_locked(&desc->lock);
+ assert_raw_spin_locked(&desc->lock);
/*
* If there was a valid mask to work with, please
diff --git a/kernel/irq/numa_migrate.c b/kernel/irq/numa_migrate.c
index 3fd3019..26bac9d 100644
--- a/kernel/irq/numa_migrate.c
+++ b/kernel/irq/numa_migrate.c
@@ -42,7 +42,7 @@
"for migration.\n", irq);
return false;
}
- spin_lock_init(&desc->lock);
+ raw_spin_lock_init(&desc->lock);
desc->node = node;
lockdep_set_class(&desc->lock, &irq_desc_lock_class);
init_copy_kstat_irqs(old_desc, desc, node, nr_cpu_ids);
@@ -67,7 +67,7 @@
irq = old_desc->irq;
- spin_lock_irqsave(&sparse_irq_lock, flags);
+ raw_spin_lock_irqsave(&sparse_irq_lock, flags);
/* We have to check it to avoid races with another CPU */
desc = irq_desc_ptrs[irq];
@@ -91,7 +91,7 @@
}
irq_desc_ptrs[irq] = desc;
- spin_unlock_irqrestore(&sparse_irq_lock, flags);
+ raw_spin_unlock_irqrestore(&sparse_irq_lock, flags);
/* free the old one */
free_one_irq_desc(old_desc, desc);
@@ -100,7 +100,7 @@
return desc;
out_unlock:
- spin_unlock_irqrestore(&sparse_irq_lock, flags);
+ raw_spin_unlock_irqrestore(&sparse_irq_lock, flags);
return desc;
}
diff --git a/kernel/irq/pm.c b/kernel/irq/pm.c
index a0bb09e..0d4005d8 100644
--- a/kernel/irq/pm.c
+++ b/kernel/irq/pm.c
@@ -28,9 +28,9 @@
for_each_irq_desc(irq, desc) {
unsigned long flags;
- spin_lock_irqsave(&desc->lock, flags);
+ raw_spin_lock_irqsave(&desc->lock, flags);
__disable_irq(desc, irq, true);
- spin_unlock_irqrestore(&desc->lock, flags);
+ raw_spin_unlock_irqrestore(&desc->lock, flags);
}
for_each_irq_desc(irq, desc)
@@ -56,9 +56,9 @@
if (!(desc->status & IRQ_SUSPENDED))
continue;
- spin_lock_irqsave(&desc->lock, flags);
+ raw_spin_lock_irqsave(&desc->lock, flags);
__enable_irq(desc, irq, true);
- spin_unlock_irqrestore(&desc->lock, flags);
+ raw_spin_unlock_irqrestore(&desc->lock, flags);
}
}
EXPORT_SYMBOL_GPL(resume_device_irqs);
diff --git a/kernel/irq/proc.c b/kernel/irq/proc.c
index 0832145..6f50ecc 100644
--- a/kernel/irq/proc.c
+++ b/kernel/irq/proc.c
@@ -179,7 +179,7 @@
unsigned long flags;
int ret = 1;
- spin_lock_irqsave(&desc->lock, flags);
+ raw_spin_lock_irqsave(&desc->lock, flags);
for (action = desc->action ; action; action = action->next) {
if ((action != new_action) && action->name &&
!strcmp(new_action->name, action->name)) {
@@ -187,7 +187,7 @@
break;
}
}
- spin_unlock_irqrestore(&desc->lock, flags);
+ raw_spin_unlock_irqrestore(&desc->lock, flags);
return ret;
}
diff --git a/kernel/irq/spurious.c b/kernel/irq/spurious.c
index e49ea1c..89fb90a 100644
--- a/kernel/irq/spurious.c
+++ b/kernel/irq/spurious.c
@@ -28,7 +28,7 @@
struct irqaction *action;
int ok = 0, work = 0;
- spin_lock(&desc->lock);
+ raw_spin_lock(&desc->lock);
/* Already running on another processor */
if (desc->status & IRQ_INPROGRESS) {
/*
@@ -37,13 +37,13 @@
*/
if (desc->action && (desc->action->flags & IRQF_SHARED))
desc->status |= IRQ_PENDING;
- spin_unlock(&desc->lock);
+ raw_spin_unlock(&desc->lock);
return ok;
}
/* Honour the normal IRQ locking */
desc->status |= IRQ_INPROGRESS;
action = desc->action;
- spin_unlock(&desc->lock);
+ raw_spin_unlock(&desc->lock);
while (action) {
/* Only shared IRQ handlers are safe to call */
@@ -56,7 +56,7 @@
}
local_irq_disable();
/* Now clean up the flags */
- spin_lock(&desc->lock);
+ raw_spin_lock(&desc->lock);
action = desc->action;
/*
@@ -68,9 +68,9 @@
* Perform real IRQ processing for the IRQ we deferred
*/
work = 1;
- spin_unlock(&desc->lock);
+ raw_spin_unlock(&desc->lock);
handle_IRQ_event(irq, action);
- spin_lock(&desc->lock);
+ raw_spin_lock(&desc->lock);
desc->status &= ~IRQ_PENDING;
}
desc->status &= ~IRQ_INPROGRESS;
@@ -80,7 +80,7 @@
*/
if (work && desc->chip && desc->chip->end)
desc->chip->end(irq);
- spin_unlock(&desc->lock);
+ raw_spin_unlock(&desc->lock);
return ok;
}
