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OpenCloudOS-Kernel
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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>
This commit is contained in:
Thomas Gleixner 2009-11-17 16:46:45 +01:00
parent 9f5a5621e7
commit 239007b844
43 changed files with 240 additions and 240 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
arch/alpha/kernel/irq.c
View File

@ -81,7 +81,7 @@ show_interrupts(struct seq_file *p, void *v)
#endif
if (irq < ACTUAL_NR_IRQS) {
spin_lock_irqsave(&irq_desc[irq].lock, flags);
raw_spin_lock_irqsave(&irq_desc[irq].lock, flags);
action = irq_desc[irq].action;
if (!action)
goto unlock;
@ -105,7 +105,7 @@ show_interrupts(struct seq_file *p, void *v)
seq_putc(p, '\n');
unlock:
spin_unlock_irqrestore(&irq_desc[irq].lock, flags);
raw_spin_unlock_irqrestore(&irq_desc[irq].lock, flags);
} else if (irq == ACTUAL_NR_IRQS) {
#ifdef CONFIG_SMP
seq_puts(p, "IPI: ");

4
arch/arm/include/asm/mach/irq.h
View File

@ -26,9 +26,9 @@ extern int show_fiq_list(struct seq_file *, void *);
*/
#define do_bad_IRQ(irq,desc) \
do { \
spin_lock(&desc->lock); \
raw_spin_lock(&desc->lock); \
handle_bad_irq(irq, desc); \
spin_unlock(&desc->lock); \
raw_spin_unlock(&desc->lock); \
} while(0)
#endif

12
arch/arm/kernel/irq.c
View File

@ -69,7 +69,7 @@ int show_interrupts(struct seq_file *p, void *v)
}
if (i < NR_IRQS) {
spin_lock_irqsave(&irq_desc[i].lock, flags);
raw_spin_lock_irqsave(&irq_desc[i].lock, flags);
action = irq_desc[i].action;
if (!action)
goto unlock;
@ -84,7 +84,7 @@ int show_interrupts(struct seq_file *p, void *v)
seq_putc(p, '\n');
unlock:
spin_unlock_irqrestore(&irq_desc[i].lock, flags);
raw_spin_unlock_irqrestore(&irq_desc[i].lock, flags);
} else if (i == NR_IRQS) {
#ifdef CONFIG_FIQ
show_fiq_list(p, v);
@ -139,7 +139,7 @@ void set_irq_flags(unsigned int irq, unsigned int iflags)
}
desc = irq_desc + irq;
spin_lock_irqsave(&desc->lock, flags);
raw_spin_lock_irqsave(&desc->lock, flags);
desc->status |= IRQ_NOREQUEST | IRQ_NOPROBE | IRQ_NOAUTOEN;
if (iflags & IRQF_VALID)
desc->status &= ~IRQ_NOREQUEST;
@ -147,7 +147,7 @@ void set_irq_flags(unsigned int irq, unsigned int iflags)
desc->status &= ~IRQ_NOPROBE;
if (!(iflags & IRQF_NOAUTOEN))
desc->status &= ~IRQ_NOAUTOEN;
spin_unlock_irqrestore(&desc->lock, flags);
raw_spin_unlock_irqrestore(&desc->lock, flags);
}
void __init init_IRQ(void)
@ -166,9 +166,9 @@ static void route_irq(struct irq_desc *desc, unsigned int irq, unsigned int cpu)
{
pr_debug("IRQ%u: moving from cpu%u to cpu%u\n", irq, desc->node, cpu);
spin_lock_irq(&desc->lock);
raw_spin_lock_irq(&desc->lock);
desc->chip->set_affinity(irq, cpumask_of(cpu));
spin_unlock_irq(&desc->lock);
raw_spin_unlock_irq(&desc->lock);
}
/*

8
arch/arm/mach-ns9xxx/irq.c
View File

@ -66,7 +66,7 @@ static void handle_prio_irq(unsigned int irq, struct irq_desc *desc)
struct irqaction *action;
irqreturn_t action_ret;
spin_lock(&desc->lock);
raw_spin_lock(&desc->lock);
BUG_ON(desc->status & IRQ_INPROGRESS);
@ -78,7 +78,7 @@ static void handle_prio_irq(unsigned int irq, struct irq_desc *desc)
goto out_mask;
desc->status |= IRQ_INPROGRESS;
spin_unlock(&desc->lock);
raw_spin_unlock(&desc->lock);
action_ret = handle_IRQ_event(irq, action);
@ -87,7 +87,7 @@ static void handle_prio_irq(unsigned int irq, struct irq_desc *desc)
* Maybe this function should go to kernel/irq/chip.c? */
note_interrupt(irq, desc, action_ret);
spin_lock(&desc->lock);
raw_spin_lock(&desc->lock);
desc->status &= ~IRQ_INPROGRESS;
if (desc->status & IRQ_DISABLED)
@ -97,7 +97,7 @@ out_mask:
/* ack unconditionally to unmask lower prio irqs */
desc->chip->ack(irq);
spin_unlock(&desc->lock);
raw_spin_unlock(&desc->lock);
}
#define handle_irq handle_prio_irq
#endif

4
arch/avr32/kernel/irq.c
View File

@ -51,7 +51,7 @@ int show_interrupts(struct seq_file *p, void *v)
}
if (i < NR_IRQS) {
spin_lock_irqsave(&irq_desc[i].lock, flags);
raw_spin_lock_irqsave(&irq_desc[i].lock, flags);
action = irq_desc[i].action;
if (!action)
goto unlock;
@ -66,7 +66,7 @@ int show_interrupts(struct seq_file *p, void *v)
seq_putc(p, '\n');
unlock:
spin_unlock_irqrestore(&irq_desc[i].lock, flags);
raw_spin_unlock_irqrestore(&irq_desc[i].lock, flags);
}
return 0;

6
arch/blackfin/kernel/irqchip.c
View File

@ -23,7 +23,7 @@ void ack_bad_irq(unsigned int irq)
static struct irq_desc bad_irq_desc = {
.handle_irq = handle_bad_irq,
.lock = __SPIN_LOCK_UNLOCKED(irq_desc->lock),
.lock = __RAW_SPIN_LOCK_UNLOCKED(bad_irq_desc.lock),
};
#ifdef CONFIG_CPUMASK_OFFSTACK
@ -39,7 +39,7 @@ int show_interrupts(struct seq_file *p, void *v)
unsigned long flags;
if (i < NR_IRQS) {
spin_lock_irqsave(&irq_desc[i].lock, flags);
raw_spin_lock_irqsave(&irq_desc[i].lock, flags);
action = irq_desc[i].action;
if (!action)
goto skip;
@ -53,7 +53,7 @@ int show_interrupts(struct seq_file *p, void *v)
seq_putc(p, '\n');
skip:
spin_unlock_irqrestore(&irq_desc[i].lock, flags);
raw_spin_unlock_irqrestore(&irq_desc[i].lock, flags);
} else if (i == NR_IRQS) {
seq_printf(p, "NMI: ");
for_each_online_cpu(j)

4
arch/blackfin/kernel/traps.c
View File

@ -1140,7 +1140,7 @@ void show_regs(struct pt_regs *fp)
if (fp->ipend & ~0x3F) {
for (i = 0; i < (NR_IRQS - 1); i++) {
if (!in_atomic)
spin_lock_irqsave(&irq_desc[i].lock, flags);
raw_spin_lock_irqsave(&irq_desc[i].lock, flags);
action = irq_desc[i].action;
if (!action)
@ -1155,7 +1155,7 @@ void show_regs(struct pt_regs *fp)
verbose_printk("\n");
unlock:
if (!in_atomic)
spin_unlock_irqrestore(&irq_desc[i].lock, flags);
raw_spin_unlock_irqrestore(&irq_desc[i].lock, flags);
}
}

4
arch/cris/kernel/irq.c
View File

@ -52,7 +52,7 @@ int show_interrupts(struct seq_file *p, void *v)
}
if (i < NR_IRQS) {
spin_lock_irqsave(&irq_desc[i].lock, flags);
raw_spin_lock_irqsave(&irq_desc[i].lock, flags);
action = irq_desc[i].action;
if (!action)
goto skip;
@ -71,7 +71,7 @@ int show_interrupts(struct seq_file *p, void *v)
seq_putc(p, '\n');
skip:
spin_unlock_irqrestore(&irq_desc[i].lock, flags);
raw_spin_unlock_irqrestore(&irq_desc[i].lock, flags);
}
return 0;
}

4
arch/frv/kernel/irq.c
View File

@ -69,7 +69,7 @@ int show_interrupts(struct seq_file *p, void *v)
}
if (i < NR_IRQS) {
spin_lock_irqsave(&irq_desc[i].lock, flags);
raw_spin_lock_irqsave(&irq_desc[i].lock, flags);
action = irq_desc[i].action;
if (action) {
seq_printf(p, "%3d: ", i);
@ -85,7 +85,7 @@ int show_interrupts(struct seq_file *p, void *v)
seq_putc(p, '\n');
}
spin_unlock_irqrestore(&irq_desc[i].lock, flags);
raw_spin_unlock_irqrestore(&irq_desc[i].lock, flags);
} else if (i == NR_IRQS) {
seq_printf(p, "Err: %10u\n", atomic_read(&irq_err_count));
}

4
arch/h8300/kernel/irq.c
View File

@ -186,7 +186,7 @@ int show_interrupts(struct seq_file *p, void *v)
seq_puts(p, " CPU0");
if (i < NR_IRQS) {
spin_lock_irqsave(&irq_desc[i].lock, flags);
raw_spin_lock_irqsave(&irq_desc[i].lock, flags);
action = irq_desc[i].action;
if (!action)
goto unlock;
@ -200,7 +200,7 @@ int show_interrupts(struct seq_file *p, void *v)
seq_printf(p, ", %s", action->name);
seq_putc(p, '\n');
unlock:
spin_unlock_irqrestore(&irq_desc[i].lock, flags);
raw_spin_unlock_irqrestore(&irq_desc[i].lock, flags);
}
return 0;
}

6
arch/ia64/kernel/iosapic.c
View File

@ -793,12 +793,12 @@ iosapic_register_intr (unsigned int gsi,
goto unlock_iosapic_lock;
}
spin_lock(&irq_desc[irq].lock);
raw_spin_lock(&irq_desc[irq].lock);
dest = get_target_cpu(gsi, irq);
dmode = choose_dmode();
err = register_intr(gsi, irq, dmode, polarity, trigger);
if (err < 0) {
spin_unlock(&irq_desc[irq].lock);
raw_spin_unlock(&irq_desc[irq].lock);
irq = err;
goto unlock_iosapic_lock;
}
@ -817,7 +817,7 @@ iosapic_register_intr (unsigned int gsi,
(polarity == IOSAPIC_POL_HIGH ? "high" : "low"),
cpu_logical_id(dest), dest, irq_to_vector(irq));
spin_unlock(&irq_desc[irq].lock);
raw_spin_unlock(&irq_desc[irq].lock);
unlock_iosapic_lock:
spin_unlock_irqrestore(&iosapic_lock, flags);
return irq;

4
arch/ia64/kernel/irq.c
View File

@ -71,7 +71,7 @@ int show_interrupts(struct seq_file *p, void *v)
}
if (i < NR_IRQS) {
spin_lock_irqsave(&irq_desc[i].lock, flags);
raw_spin_lock_irqsave(&irq_desc[i].lock, flags);
action = irq_desc[i].action;
if (!action)
goto skip;
@ -91,7 +91,7 @@ int show_interrupts(struct seq_file *p, void *v)
seq_putc(p, '\n');
skip:
spin_unlock_irqrestore(&irq_desc[i].lock, flags);
raw_spin_unlock_irqrestore(&irq_desc[i].lock, flags);
} else if (i == NR_IRQS)
seq_printf(p, "ERR: %10u\n", atomic_read(&irq_err_count));
return 0;

4
arch/ia64/kernel/irq_ia64.c
View File

@ -345,7 +345,7 @@ static irqreturn_t smp_irq_move_cleanup_interrupt(int irq, void *dev_id)
desc = irq_desc + irq;
cfg = irq_cfg + irq;
spin_lock(&desc->lock);
raw_spin_lock(&desc->lock);
if (!cfg->move_cleanup_count)
goto unlock;
@ -358,7 +358,7 @@ static irqreturn_t smp_irq_move_cleanup_interrupt(int irq, void *dev_id)
spin_unlock_irqrestore(&vector_lock, flags);
cfg->move_cleanup_count--;
unlock:
spin_unlock(&desc->lock);
raw_spin_unlock(&desc->lock);
}
return IRQ_HANDLED;
}

4
arch/m32r/kernel/irq.c
View File

@ -40,7 +40,7 @@ int show_interrupts(struct seq_file *p, void *v)
}
if (i < NR_IRQS) {
spin_lock_irqsave(&irq_desc[i].lock, flags);
raw_spin_lock_irqsave(&irq_desc[i].lock, flags);
action = irq_desc[i].action;
if (!action)
goto skip;
@ -59,7 +59,7 @@ int show_interrupts(struct seq_file *p, void *v)
seq_putc(p, '\n');
skip:
spin_unlock_irqrestore(&irq_desc[i].lock, flags);
raw_spin_unlock_irqrestore(&irq_desc[i].lock, flags);
}
return 0;
}

4
arch/microblaze/kernel/irq.c
View File

@ -68,7 +68,7 @@ int show_interrupts(struct seq_file *p, void *v)
}
if (i < nr_irq) {
spin_lock_irqsave(&irq_desc[i].lock, flags);
raw_spin_lock_irqsave(&irq_desc[i].lock, flags);
action = irq_desc[i].action;
if (!action)
goto skip;
@ -89,7 +89,7 @@ int show_interrupts(struct seq_file *p, void *v)
seq_putc(p, '\n');
skip:
spin_unlock_irqrestore(&irq_desc[i].lock, flags);
raw_spin_unlock_irqrestore(&irq_desc[i].lock, flags);
}
return 0;
}

4
arch/mips/kernel/irq.c
View File

@ -99,7 +99,7 @@ int show_interrupts(struct seq_file *p, void *v)
}
if (i < NR_IRQS) {
spin_lock_irqsave(&irq_desc[i].lock, flags);
raw_spin_lock_irqsave(&irq_desc[i].lock, flags);
action = irq_desc[i].action;
if (!action)
goto skip;
@ -118,7 +118,7 @@ int show_interrupts(struct seq_file *p, void *v)
seq_putc(p, '\n');
skip:
spin_unlock_irqrestore(&irq_desc[i].lock, flags);
raw_spin_unlock_irqrestore(&irq_desc[i].lock, flags);
} else if (i == NR_IRQS) {
seq_putc(p, '\n');
seq_printf(p, "ERR: %10u\n", atomic_read(&irq_err_count));

92
arch/mips/vr41xx/common/icu.c
View File

@ -159,9 +159,9 @@ void vr41xx_enable_piuint(uint16_t mask)
if (current_cpu_type() == CPU_VR4111 ||
current_cpu_type() == CPU_VR4121) {
spin_lock_irqsave(&desc->lock, flags);
raw_spin_lock_irqsave(&desc->lock, flags);
icu1_set(MPIUINTREG, mask);
spin_unlock_irqrestore(&desc->lock, flags);
raw_spin_unlock_irqrestore(&desc->lock, flags);
}
}
@ -174,9 +174,9 @@ void vr41xx_disable_piuint(uint16_t mask)
if (current_cpu_type() == CPU_VR4111 ||
current_cpu_type() == CPU_VR4121) {
spin_lock_irqsave(&desc->lock, flags);
raw_spin_lock_irqsave(&desc->lock, flags);
icu1_clear(MPIUINTREG, mask);
spin_unlock_irqrestore(&desc->lock, flags);
raw_spin_unlock_irqrestore(&desc->lock, flags);
}
}
@ -189,9 +189,9 @@ void vr41xx_enable_aiuint(uint16_t mask)
if (current_cpu_type() == CPU_VR4111 ||
current_cpu_type() == CPU_VR4121) {
spin_lock_irqsave(&desc->lock, flags);
raw_spin_lock_irqsave(&desc->lock, flags);
icu1_set(MAIUINTREG, mask);
spin_unlock_irqrestore(&desc->lock, flags);
raw_spin_unlock_irqrestore(&desc->lock, flags);
}
}
@ -204,9 +204,9 @@ void vr41xx_disable_aiuint(uint16_t mask)
if (current_cpu_type() == CPU_VR4111 ||
current_cpu_type() == CPU_VR4121) {
spin_lock_irqsave(&desc->lock, flags);
raw_spin_lock_irqsave(&desc->lock, flags);
icu1_clear(MAIUINTREG, mask);
spin_unlock_irqrestore(&desc->lock, flags);
raw_spin_unlock_irqrestore(&desc->lock, flags);
}
}
@ -219,9 +219,9 @@ void vr41xx_enable_kiuint(uint16_t mask)
if (current_cpu_type() == CPU_VR4111 ||
current_cpu_type() == CPU_VR4121) {
spin_lock_irqsave(&desc->lock, flags);
raw_spin_lock_irqsave(&desc->lock, flags);
icu1_set(MKIUINTREG, mask);
spin_unlock_irqrestore(&desc->lock, flags);
raw_spin_unlock_irqrestore(&desc->lock, flags);
}
}
@ -234,9 +234,9 @@ void vr41xx_disable_kiuint(uint16_t mask)
if (current_cpu_type() == CPU_VR4111 ||
current_cpu_type() == CPU_VR4121) {
spin_lock_irqsave(&desc->lock, flags);
raw_spin_lock_irqsave(&desc->lock, flags);
icu1_clear(MKIUINTREG, mask);
spin_unlock_irqrestore(&desc->lock, flags);
raw_spin_unlock_irqrestore(&desc->lock, flags);
}
}
@ -247,9 +247,9 @@ void vr41xx_enable_macint(uint16_t mask)
struct irq_desc *desc = irq_desc + ETHERNET_IRQ;
unsigned long flags;
spin_lock_irqsave(&desc->lock, flags);
raw_spin_lock_irqsave(&desc->lock, flags);
icu1_set(MMACINTREG, mask);
spin_unlock_irqrestore(&desc->lock, flags);
raw_spin_unlock_irqrestore(&desc->lock, flags);
}
EXPORT_SYMBOL(vr41xx_enable_macint);
@ -259,9 +259,9 @@ void vr41xx_disable_macint(uint16_t mask)
struct irq_desc *desc = irq_desc + ETHERNET_IRQ;
unsigned long flags;
spin_lock_irqsave(&desc->lock, flags);
raw_spin_lock_irqsave(&desc->lock, flags);
icu1_clear(MMACINTREG, mask);
spin_unlock_irqrestore(&desc->lock, flags);
raw_spin_unlock_irqrestore(&desc->lock, flags);
}
EXPORT_SYMBOL(vr41xx_disable_macint);
@ -271,9 +271,9 @@ void vr41xx_enable_dsiuint(uint16_t mask)
struct irq_desc *desc = irq_desc + DSIU_IRQ;
unsigned long flags;
spin_lock_irqsave(&desc->lock, flags);
raw_spin_lock_irqsave(&desc->lock, flags);
icu1_set(MDSIUINTREG, mask);
spin_unlock_irqrestore(&desc->lock, flags);
raw_spin_unlock_irqrestore(&desc->lock, flags);
}
EXPORT_SYMBOL(vr41xx_enable_dsiuint);
@ -283,9 +283,9 @@ void vr41xx_disable_dsiuint(uint16_t mask)
struct irq_desc *desc = irq_desc + DSIU_IRQ;
unsigned long flags;
spin_lock_irqsave(&desc->lock, flags);
raw_spin_lock_irqsave(&desc->lock, flags);
icu1_clear(MDSIUINTREG, mask);
spin_unlock_irqrestore(&desc->lock, flags);
raw_spin_unlock_irqrestore(&desc->lock, flags);
}
EXPORT_SYMBOL(vr41xx_disable_dsiuint);
@ -295,9 +295,9 @@ void vr41xx_enable_firint(uint16_t mask)
struct irq_desc *desc = irq_desc + FIR_IRQ;
unsigned long flags;
spin_lock_irqsave(&desc->lock, flags);
raw_spin_lock_irqsave(&desc->lock, flags);
icu2_set(MFIRINTREG, mask);
spin_unlock_irqrestore(&desc->lock, flags);
raw_spin_unlock_irqrestore(&desc->lock, flags);
}
EXPORT_SYMBOL(vr41xx_enable_firint);
@ -307,9 +307,9 @@ void vr41xx_disable_firint(uint16_t mask)
struct irq_desc *desc = irq_desc + FIR_IRQ;
unsigned long flags;
spin_lock_irqsave(&desc->lock, flags);
raw_spin_lock_irqsave(&desc->lock, flags);
icu2_clear(MFIRINTREG, mask);
spin_unlock_irqrestore(&desc->lock, flags);
raw_spin_unlock_irqrestore(&desc->lock, flags);
}
EXPORT_SYMBOL(vr41xx_disable_firint);
@ -322,9 +322,9 @@ void vr41xx_enable_pciint(void)
if (current_cpu_type() == CPU_VR4122 ||
current_cpu_type() == CPU_VR4131 ||
current_cpu_type() == CPU_VR4133) {
spin_lock_irqsave(&desc->lock, flags);
raw_spin_lock_irqsave(&desc->lock, flags);
icu2_write(MPCIINTREG, PCIINT0);
spin_unlock_irqrestore(&desc->lock, flags);
raw_spin_unlock_irqrestore(&desc->lock, flags);
}
}
@ -338,9 +338,9 @@ void vr41xx_disable_pciint(void)
if (current_cpu_type() == CPU_VR4122 ||
current_cpu_type() == CPU_VR4131 ||
current_cpu_type() == CPU_VR4133) {
spin_lock_irqsave(&desc->lock, flags);
raw_spin_lock_irqsave(&desc->lock, flags);
icu2_write(MPCIINTREG, 0);
spin_unlock_irqrestore(&desc->lock, flags);
raw_spin_unlock_irqrestore(&desc->lock, flags);
}
}
@ -354,9 +354,9 @@ void vr41xx_enable_scuint(void)
if (current_cpu_type() == CPU_VR4122 ||
current_cpu_type() == CPU_VR4131 ||
current_cpu_type() == CPU_VR4133) {
spin_lock_irqsave(&desc->lock, flags);
raw_spin_lock_irqsave(&desc->lock, flags);
icu2_write(MSCUINTREG, SCUINT0);
spin_unlock_irqrestore(&desc->lock, flags);
raw_spin_unlock_irqrestore(&desc->lock, flags);
}
}
@ -370,9 +370,9 @@ void vr41xx_disable_scuint(void)
if (current_cpu_type() == CPU_VR4122 ||
current_cpu_type() == CPU_VR4131 ||
current_cpu_type() == CPU_VR4133) {
spin_lock_irqsave(&desc->lock, flags);
raw_spin_lock_irqsave(&desc->lock, flags);
icu2_write(MSCUINTREG, 0);
spin_unlock_irqrestore(&desc->lock, flags);
raw_spin_unlock_irqrestore(&desc->lock, flags);
}
}
@ -386,9 +386,9 @@ void vr41xx_enable_csiint(uint16_t mask)
if (current_cpu_type() == CPU_VR4122 ||
current_cpu_type() == CPU_VR4131 ||
current_cpu_type() == CPU_VR4133) {
spin_lock_irqsave(&desc->lock, flags);
raw_spin_lock_irqsave(&desc->lock, flags);
icu2_set(MCSIINTREG, mask);
spin_unlock_irqrestore(&desc->lock, flags);
raw_spin_unlock_irqrestore(&desc->lock, flags);
}
}
@ -402,9 +402,9 @@ void vr41xx_disable_csiint(uint16_t mask)
if (current_cpu_type() == CPU_VR4122 ||
current_cpu_type() == CPU_VR4131 ||
current_cpu_type() == CPU_VR4133) {
spin_lock_irqsave(&desc->lock, flags);
raw_spin_lock_irqsave(&desc->lock, flags);
icu2_clear(MCSIINTREG, mask);
spin_unlock_irqrestore(&desc->lock, flags);
raw_spin_unlock_irqrestore(&desc->lock, flags);
}
}
@ -418,9 +418,9 @@ void vr41xx_enable_bcuint(void)
if (current_cpu_type() == CPU_VR4122 ||
current_cpu_type() == CPU_VR4131 ||
current_cpu_type() == CPU_VR4133) {
spin_lock_irqsave(&desc->lock, flags);
raw_spin_lock_irqsave(&desc->lock, flags);
icu2_write(MBCUINTREG, BCUINTR);
spin_unlock_irqrestore(&desc->lock, flags);
raw_spin_unlock_irqrestore(&desc->lock, flags);
}
}
@ -434,9 +434,9 @@ void vr41xx_disable_bcuint(void)
if (current_cpu_type() == CPU_VR4122 ||
current_cpu_type() == CPU_VR4131 ||
current_cpu_type() == CPU_VR4133) {
spin_lock_irqsave(&desc->lock, flags);
raw_spin_lock_irqsave(&desc->lock, flags);
icu2_write(MBCUINTREG, 0);
spin_unlock_irqrestore(&desc->lock, flags);
raw_spin_unlock_irqrestore(&desc->lock, flags);
}
}
@ -486,7 +486,7 @@ static inline int set_sysint1_assign(unsigned int irq, unsigned char assign)
pin = SYSINT1_IRQ_TO_PIN(irq);
spin_lock_irq(&desc->lock);
raw_spin_lock_irq(&desc->lock);
intassign0 = icu1_read(INTASSIGN0);
intassign1 = icu1_read(INTASSIGN1);
@ -525,7 +525,7 @@ static inline int set_sysint1_assign(unsigned int irq, unsigned char assign)
intassign1 |= (uint16_t)assign << 9;
break;
default:
spin_unlock_irq(&desc->lock);
raw_spin_unlock_irq(&desc->lock);
return -EINVAL;
}
@ -533,7 +533,7 @@ static inline int set_sysint1_assign(unsigned int irq, unsigned char assign)
icu1_write(INTASSIGN0, intassign0);
icu1_write(INTASSIGN1, intassign1);
spin_unlock_irq(&desc->lock);
raw_spin_unlock_irq(&desc->lock);
return 0;
}
@ -546,7 +546,7 @@ static inline int set_sysint2_assign(unsigned int irq, unsigned char assign)
pin = SYSINT2_IRQ_TO_PIN(irq);
spin_lock_irq(&desc->lock);
raw_spin_lock_irq(&desc->lock);
intassign2 = icu1_read(INTASSIGN2);
intassign3 = icu1_read(INTASSIGN3);
@ -593,7 +593,7 @@ static inline int set_sysint2_assign(unsigned int irq, unsigned char assign)
intassign3 |= (uint16_t)assign << 12;
break;
default:
spin_unlock_irq(&desc->lock);
raw_spin_unlock_irq(&desc->lock);
return -EINVAL;
}
@ -601,7 +601,7 @@ static inline int set_sysint2_assign(unsigned int irq, unsigned char assign)
icu1_write(INTASSIGN2, intassign2);
icu1_write(INTASSIGN3, intassign3);
spin_unlock_irq(&desc->lock);
raw_spin_unlock_irq(&desc->lock);
return 0;
}

4
arch/mn10300/kernel/irq.c
View File

@ -215,7 +215,7 @@ int show_interrupts(struct seq_file *p, void *v)
/* display information rows, one per active CPU */
case 1 ... NR_IRQS - 1:
spin_lock_irqsave(&irq_desc[i].lock, flags);
raw_spin_lock_irqsave(&irq_desc[i].lock, flags);
action = irq_desc[i].action;
if (action) {
@ -235,7 +235,7 @@ int show_interrupts(struct seq_file *p, void *v)
seq_putc(p, '\n');
}
spin_unlock_irqrestore(&irq_desc[i].lock, flags);
raw_spin_unlock_irqrestore(&irq_desc[i].lock, flags);
break;
/* polish off with NMI and error counters */

4
arch/parisc/kernel/irq.c
View File

@ -180,7 +180,7 @@ int show_interrupts(struct seq_file *p, void *v)
if (i < NR_IRQS) {
struct irqaction *action;
spin_lock_irqsave(&irq_desc[i].lock, flags);
raw_spin_lock_irqsave(&irq_desc[i].lock, flags);
action = irq_desc[i].action;
if (!action)
goto skip;
@ -224,7 +224,7 @@ int show_interrupts(struct seq_file *p, void *v)
seq_putc(p, '\n');
skip:
spin_unlock_irqrestore(&irq_desc[i].lock, flags);
raw_spin_unlock_irqrestore(&irq_desc[i].lock, flags);
}
return 0;

8
arch/powerpc/kernel/irq.c
View File

@ -210,7 +210,7 @@ int show_interrupts(struct seq_file *p, void *v)
if (!desc)
return 0;
spin_lock_irqsave(&desc->lock, flags);
raw_spin_lock_irqsave(&desc->lock, flags);
action = desc->action;
if (!action || !action->handler)
@ -237,7 +237,7 @@ int show_interrupts(struct seq_file *p, void *v)
seq_putc(p, '\n');
skip:
spin_unlock_irqrestore(&desc->lock, flags);
raw_spin_unlock_irqrestore(&desc->lock, flags);
return 0;
}
@ -1112,7 +1112,7 @@ static int virq_debug_show(struct seq_file *m, void *private)
if (!desc)
continue;
spin_lock_irqsave(&desc->lock, flags);
raw_spin_lock_irqsave(&desc->lock, flags);
if (desc->action && desc->action->handler) {
seq_printf(m, "%5d ", i);
@ -1131,7 +1131,7 @@ static int virq_debug_show(struct seq_file *m, void *private)
seq_printf(m, "%s\n", p);
}
spin_unlock_irqrestore(&desc->lock, flags);
raw_spin_unlock_irqrestore(&desc->lock, flags);
}
return 0;

8
arch/powerpc/platforms/52xx/media5200.c
View File

@ -86,9 +86,9 @@ void media5200_irq_cascade(unsigned int virq, struct irq_desc *desc)
u32 status, enable;
/* Mask off the cascaded IRQ */
spin_lock(&desc->lock);
raw_spin_lock(&desc->lock);
desc->chip->mask(virq);
spin_unlock(&desc->lock);
raw_spin_unlock(&desc->lock);
/* Ask the FPGA for IRQ status. If 'val' is 0, then no irqs
* are pending. 'ffs()' is 1 based */
@ -104,11 +104,11 @@ void media5200_irq_cascade(unsigned int virq, struct irq_desc *desc)
}
/* Processing done; can reenable the cascade now */
spin_lock(&desc->lock);
raw_spin_lock(&desc->lock);
desc->chip->ack(virq);
if (!(desc->status & IRQ_DISABLED))
desc->chip->unmask(virq);
spin_unlock(&desc->lock);
raw_spin_unlock(&desc->lock);
}
static int media5200_irq_map(struct irq_host *h, unsigned int virq,

8
arch/powerpc/platforms/cell/interrupt.c
View File

@ -237,7 +237,7 @@ extern int noirqdebug;
static void handle_iic_irq(unsigned int irq, struct irq_desc *desc)
{
spin_lock(&desc->lock);
raw_spin_lock(&desc->lock);
desc->status &= ~(IRQ_REPLAY | IRQ_WAITING);
@ -265,18 +265,18 @@ static void handle_iic_irq(unsigned int irq, struct irq_desc *desc)
goto out_eoi;
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_eoi:
desc->chip->eoi(irq);
spin_unlock(&desc->lock);
raw_spin_unlock(&desc->lock);
}
static int iic_host_map(struct irq_host *h, unsigned int virq,

4
arch/powerpc/platforms/iseries/irq.c
View File

@ -217,9 +217,9 @@ void __init iSeries_activate_IRQs()
struct irq_desc *desc = irq_to_desc(irq);
if (desc && desc->chip && desc->chip->startup) {
spin_lock_irqsave(&desc->lock, flags);
raw_spin_lock_irqsave(&desc->lock, flags);
desc->chip->startup(irq);
spin_unlock_irqrestore(&desc->lock, flags);
raw_spin_unlock_irqrestore(&desc->lock, flags);
}
}
}

4
arch/powerpc/platforms/pseries/xics.c
View File

@ -906,7 +906,7 @@ void xics_migrate_irqs_away(void)
|| desc->chip->set_affinity == NULL)
continue;
spin_lock_irqsave(&desc->lock, flags);
raw_spin_lock_irqsave(&desc->lock, flags);
status = rtas_call(ibm_get_xive, 1, 3, xics_status, irq);
if (status) {
@ -930,7 +930,7 @@ void xics_migrate_irqs_away(void)
cpumask_setall(irq_to_desc(virq)->affinity);
desc->chip->set_affinity(virq, cpu_all_mask);
unlock:
spin_unlock_irqrestore(&desc->lock, flags);
raw_spin_unlock_irqrestore(&desc->lock, flags);
}
}
#endif

4
arch/powerpc/sysdev/fsl_msi.c
View File

@ -173,7 +173,7 @@ static void fsl_msi_cascade(unsigned int irq, struct irq_desc *desc)
u32 intr_index;
u32 have_shift = 0;
spin_lock(&desc->lock);
raw_spin_lock(&desc->lock);
if ((msi_data->feature & FSL_PIC_IP_MASK) == FSL_PIC_IP_IPIC) {
if (desc->chip->mask_ack)
desc->chip->mask_ack(irq);
@ -225,7 +225,7 @@ static void fsl_msi_cascade(unsigned int irq, struct irq_desc *desc)
break;
}
unlock:
spin_unlock(&desc->lock);
raw_spin_unlock(&desc->lock);
}
static int __devinit fsl_of_msi_probe(struct of_device *dev,

8
arch/powerpc/sysdev/uic.c
View File

@ -225,12 +225,12 @@ void uic_irq_cascade(unsigned int virq, struct irq_desc *desc)
int src;
int subvirq;
spin_lock(&desc->lock);
raw_spin_lock(&desc->lock);
if (desc->status & IRQ_LEVEL)
desc->chip->mask(virq);
else
desc->chip->mask_ack(virq);
spin_unlock(&desc->lock);
raw_spin_unlock(&desc->lock);
msr = mfdcr(uic->dcrbase + UIC_MSR);
if (!msr) /* spurious interrupt */
@ -242,12 +242,12 @@ void uic_irq_cascade(unsigned int virq, struct irq_desc *desc)
generic_handle_irq(subvirq);
uic_irq_ret:
spin_lock(&desc->lock);
raw_spin_lock(&desc->lock);
if (desc->status & IRQ_LEVEL)
desc->chip->ack(virq);
if (!(desc->status & IRQ_DISABLED) && desc->chip->unmask)
desc->chip->unmask(virq);
spin_unlock(&desc->lock);
raw_spin_unlock(&desc->lock);
}
static struct uic * __init uic_init_one(struct device_node *node)

4
arch/sh/kernel/irq.c
View File

@ -76,7 +76,7 @@ int show_interrupts(struct seq_file *p, void *v)
if (!desc)
return 0;
spin_lock_irqsave(&desc->lock, flags);
raw_spin_lock_irqsave(&desc->lock, flags);
for_each_online_cpu(j)
any_count |= kstat_irqs_cpu(i, j);
action = desc->action;
@ -97,7 +97,7 @@ int show_interrupts(struct seq_file *p, void *v)
seq_putc(p, '\n');
out:
spin_unlock_irqrestore(&desc->lock, flags);
raw_spin_unlock_irqrestore(&desc->lock, flags);
return 0;
}
#endif

8
arch/sparc/kernel/irq_64.c
View File

@ -176,7 +176,7 @@ int show_interrupts(struct seq_file *p, void *v)
}
if (i < NR_IRQS) {
spin_lock_irqsave(&irq_desc[i].lock, flags);
raw_spin_lock_irqsave(&irq_desc[i].lock, flags);
action = irq_desc[i].action;
if (!action)
goto skip;
@ -195,7 +195,7 @@ int show_interrupts(struct seq_file *p, void *v)
seq_putc(p, '\n');
skip:
spin_unlock_irqrestore(&irq_desc[i].lock, flags);
raw_spin_unlock_irqrestore(&irq_desc[i].lock, flags);
} else if (i == NR_IRQS) {
seq_printf(p, "NMI: ");
for_each_online_cpu(j)
@ -785,14 +785,14 @@ void fixup_irqs(void)
for (irq = 0; irq < NR_IRQS; irq++) {
unsigned long flags;
spin_lock_irqsave(&irq_desc[irq].lock, flags);
raw_spin_lock_irqsave(&irq_desc[irq].lock, flags);
if (irq_desc[irq].action &&
!(irq_desc[irq].status & IRQ_PER_CPU)) {
if (irq_desc[irq].chip->set_affinity)
irq_desc[irq].chip->set_affinity(irq,
irq_desc[irq].affinity);
}
spin_unlock_irqrestore(&irq_desc[irq].lock, flags);
raw_spin_unlock_irqrestore(&irq_desc[irq].lock, flags);
}
tick_ops->disable_irq();

4
arch/um/kernel/irq.c
View File

@ -34,7 +34,7 @@ int show_interrupts(struct seq_file *p, void *v)
}
if (i < NR_IRQS) {
spin_lock_irqsave(&irq_desc[i].lock, flags);
raw_spin_lock_irqsave(&irq_desc[i].lock, flags);
action = irq_desc[i].action;
if (!action)
goto skip;
@ -53,7 +53,7 @@ int show_interrupts(struct seq_file *p, void *v)
seq_putc(p, '\n');
skip:
spin_unlock_irqrestore(&irq_desc[i].lock, flags);
raw_spin_unlock_irqrestore(&irq_desc[i].lock, flags);
} else if (i == NR_IRQS)
seq_putc(p, '\n');

4
arch/x86/kernel/apic/io_apic.c
View File

@ -2431,7 +2431,7 @@ asmlinkage void smp_irq_move_cleanup_interrupt(void)
continue;
cfg = irq_cfg(irq);
spin_lock(&desc->lock);
raw_spin_lock(&desc->lock);
if (vector == cfg->vector && cpumask_test_cpu(me, cfg->domain))
goto unlock;
@ -2450,7 +2450,7 @@ asmlinkage void smp_irq_move_cleanup_interrupt(void)
}
__get_cpu_var(vector_irq)[vector] = -1;
unlock:
spin_unlock(&desc->lock);
raw_spin_unlock(&desc->lock);
}
irq_exit();

14
arch/x86/kernel/irq.c
View File

@ -149,7 +149,7 @@ int show_interrupts(struct seq_file *p, void *v)
if (!desc)
return 0;
spin_lock_irqsave(&desc->lock, flags);
raw_spin_lock_irqsave(&desc->lock, flags);
for_each_online_cpu(j)
any_count |= kstat_irqs_cpu(i, j);
action = desc->action;
@ -170,7 +170,7 @@ int show_interrupts(struct seq_file *p, void *v)
seq_putc(p, '\n');
out:
spin_unlock_irqrestore(&desc->lock, flags);
raw_spin_unlock_irqrestore(&desc->lock, flags);
return 0;
}
@ -294,12 +294,12 @@ void fixup_irqs(void)
continue;
/* interrupt's are disabled at this point */
spin_lock(&desc->lock);
raw_spin_lock(&desc->lock);
affinity = desc->affinity;
if (!irq_has_action(irq) ||
cpumask_equal(affinity, cpu_online_mask)) {
spin_unlock(&desc->lock);
raw_spin_unlock(&desc->lock);
continue;
}
@ -326,7 +326,7 @@ void fixup_irqs(void)
if (!(desc->status & IRQ_MOVE_PCNTXT) && desc->chip->unmask)
desc->chip->unmask(irq);
spin_unlock(&desc->lock);
raw_spin_unlock(&desc->lock);
if (break_affinity && set_affinity)
printk("Broke affinity for irq %i\n", irq);
@ -356,10 +356,10 @@ void fixup_irqs(void)
irq = __get_cpu_var(vector_irq)[vector];
desc = irq_to_desc(irq);
spin_lock(&desc->lock);
raw_spin_lock(&desc->lock);
if (desc->chip->retrigger)
desc->chip->retrigger(irq);
spin_unlock(&desc->lock);
raw_spin_unlock(&desc->lock);
}
}
}

4
arch/xtensa/kernel/irq.c
View File

@ -90,7 +90,7 @@ int show_interrupts(struct seq_file *p, void *v)
}
if (i < NR_IRQS) {
spin_lock_irqsave(&irq_desc[i].lock, flags);
raw_spin_lock_irqsave(&irq_desc[i].lock, flags);
action = irq_desc[i].action;
if (!action)
goto skip;
@ -109,7 +109,7 @@ int show_interrupts(struct seq_file *p, void *v)
seq_putc(p, '\n');
skip:
spin_unlock_irqrestore(&irq_desc[i].lock, flags);
raw_spin_unlock_irqrestore(&irq_desc[i].lock, flags);
} else if (i == NR_IRQS) {
seq_printf(p, "NMI: ");
for_each_online_cpu(j)

2
include/linux/irq.h
View File

@ -192,7 +192,7 @@ struct irq_desc {
unsigned int irq_count; /* For detecting broken IRQs */
unsigned long last_unhandled; /* Aging timer for unhandled count */
unsigned int irqs_unhandled;
spinlock_t lock;
raw_spinlock_t lock;
#ifdef CONFIG_SMP
cpumask_var_t affinity;
unsigned int node;

20
kernel/irq/autoprobe.c
View File

@ -45,7 +45,7 @@ unsigned long probe_irq_on(void)
* 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 @@ unsigned long probe_irq_on(void)
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 @@ unsigned long probe_irq_on(void)
* 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 @@ unsigned long probe_irq_on(void)
* 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 @@ unsigned long probe_irq_on(void)
if (i < 32)
mask |= 1 << i;
}
spin_unlock_irq(&desc->lock);
raw_spin_unlock_irq(&desc->lock);
}
return mask;
@ -129,7 +129,7 @@ unsigned int probe_irq_mask(unsigned long val)
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 @@ unsigned int probe_irq_mask(unsigned long val)
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 @@ int probe_irq_off(unsigned long val)
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 @@ int probe_irq_off(unsigned long val)
desc->status = status & ~IRQ_AUTODETECT;
desc->chip->shutdown(i);
}
spin_unlock_irq(&desc->lock);
raw_spin_unlock_irq(&desc->lock);
}
mutex_unlock(&probing_active);

86
kernel/irq/chip.c
View File

@ -34,7 +34,7 @@ void dynamic_irq_init(unsigned int irq)
}
/* 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 @@ void dynamic_irq_init(unsigned int irq)
cpumask_clear(desc->pending_mask);
#endif
#endif
spin_unlock_irqrestore(&desc->lock, flags);
raw_spin_unlock_irqrestore(&desc->lock, flags);
}
/**
@ -68,9 +68,9 @@ void dynamic_irq_cleanup(unsigned int irq)
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 @@ void dynamic_irq_cleanup(unsigned int irq)
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 @@ int set_irq_chip(unsigned int irq, struct irq_chip *chip)
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 @@ int set_irq_type(unsigned int irq, unsigned int type)
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 @@ int set_irq_data(unsigned int irq, void *data)
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 @@ int set_irq_msi(unsigned int irq, struct msi_desc *entry)
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 @@ int set_irq_chip_data(unsigned int irq, void *data)
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 @@ void set_irq_nested_thread(unsigned int irq, int nest)
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 @@ void handle_nested_irq(unsigned int irq)
might_sleep();
spin_lock_irq(&desc->lock);
raw_spin_lock_irq(&desc->lock);
kstat_incr_irqs_this_cpu(irq, desc);
@ -352,17 +352,17 @@ void handle_nested_irq(unsigned int irq)
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 @@ handle_simple_irq(unsigned int irq, struct irq_desc *desc)
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 @@ handle_simple_irq(unsigned int irq, struct irq_desc *desc)
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 @@ handle_level_irq(unsigned int irq, struct irq_desc *desc)
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 @@ handle_level_irq(unsigned int irq, struct irq_desc *desc)
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 @@ handle_level_irq(unsigned int irq, struct irq_desc *desc)
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 @@ handle_fasteoi_irq(unsigned int irq, struct irq_desc *desc)
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 @@ handle_fasteoi_irq(unsigned int irq, struct irq_desc *desc)
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 @@ out:
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 @@ handle_edge_irq(unsigned int irq, struct irq_desc *desc)
}
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 @@ __set_irq_handler(unsigned int irq, irq_flow_handler_t handle, int is_chained,
}
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 @@ __set_irq_handler(unsigned int irq, irq_flow_handler_t handle, int is_chained,
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 @@ void __init set_irq_noprobe(unsigned int irq)
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 @@ void __init set_irq_probe(unsigned int irq)
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);
}

22
kernel/irq/handle.c
View File

@ -80,7 +80,7 @@ static struct irq_desc irq_desc_init = {
.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 @@ static void init_one_irq_desc(int irq, struct irq_desc *desc, int node)
{
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 @@ static void init_one_irq_desc(int irq, struct irq_desc *desc, int node)
/*
* 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 @@ static struct irq_desc irq_desc_legacy[NR_IRQS_LEGACY] __cacheline_aligned_in_sm
.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 @@ struct irq_desc * __ref irq_to_desc_alloc_node(unsigned int irq, int node)
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 @@ struct irq_desc * __ref irq_to_desc_alloc_node(unsigned int irq, int node)
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 @@ struct irq_desc irq_desc[NR_IRQS] __cacheline_aligned_in_smp = {
.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 @@ unsigned int __do_IRQ(unsigned int irq)
return 1;
}
spin_lock(&desc->lock);
raw_spin_lock(&desc->lock);
if (desc->chip->ack)
desc->chip->ack(irq);
/*
@ -517,13 +517,13 @@ unsigned int __do_IRQ(unsigned int irq)
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 @@ out:
* disabled while the handler was running.
*/
desc->chip->end(irq);
spin_unlock(&desc->lock);
raw_spin_unlock(&desc->lock);
return 1;
}

2
kernel/irq/internals.h
View File

@ -18,7 +18,7 @@ extern void __enable_irq(struct irq_desc *desc, unsigned int irq, bool resume);
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 */

50
kernel/irq/manage.c
View File

@ -46,9 +46,9 @@ void synchronize_irq(unsigned int irq)
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 @@ int irq_set_affinity(unsigned int irq, const struct cpumask *cpumask)
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 @@ int irq_set_affinity(unsigned int irq, const struct cpumask *cpumask)
}
#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 @@ int irq_select_affinity_usr(unsigned int irq)
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 @@ void disable_irq_nosync(unsigned int irq)
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 @@ void enable_irq(unsigned int irq)
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 @@ int set_irq_wake(unsigned int irq, unsigned int on)
/* 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 @@ int set_irq_wake(unsigned int irq, unsigned int on)
}
}
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 int irq_wait_for_interrupt(struct irqaction *action)
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 @@ irq_thread_check_affinity(struct irq_desc *desc, struct irqaction *action)
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 @@ static int irq_thread(void *data)
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 @@ static int irq_thread(void *data)
* 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 @@ __setup_irq(unsigned int irq, struct irq_desc *desc, struct irqaction *new)
/*
* 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 @@ __setup_irq(unsigned int irq, struct irq_desc *desc, struct irqaction *new)
__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 @@ mismatch:
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 @@ static struct irqaction *__free_irq(unsigned int irq, void *dev_id)
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 @@ static struct irqaction *__free_irq(unsigned int irq, void *dev_id)
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 @@ static struct irqaction *__free_irq(unsigned int irq, void *dev_id)
desc->chip->disable(irq);
}
spin_unlock_irqrestore(&desc->lock, flags);
raw_spin_unlock_irqrestore(&desc->lock, flags);
unregister_handler_proc(irq, action);

2
kernel/irq/migration.c
View File

@ -27,7 +27,7 @@ void move_masked_irq(int irq)
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

8
kernel/irq/numa_migrate.c
View File

@ -42,7 +42,7 @@ static bool init_copy_one_irq_desc(int irq, struct irq_desc *old_desc,
"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 @@ static struct irq_desc *__real_move_irq_desc(struct irq_desc *old_desc,
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 @@ static struct irq_desc *__real_move_irq_desc(struct irq_desc *old_desc,
}
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 @@ static struct irq_desc *__real_move_irq_desc(struct irq_desc *old_desc,
return desc;
out_unlock:
spin_unlock_irqrestore(&sparse_irq_lock, flags);
raw_spin_unlock_irqrestore(&sparse_irq_lock, flags);
return desc;
}

8
kernel/irq/pm.c
View File

@ -28,9 +28,9 @@ void suspend_device_irqs(void)
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 @@ void resume_device_irqs(void)
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);

4
kernel/irq/proc.c
View File

@ -179,7 +179,7 @@ static int name_unique(unsigned int irq, struct irqaction *new_action)
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 @@ static int name_unique(unsigned int irq, struct irqaction *new_action)
break;
}
}
spin_unlock_irqrestore(&desc->lock, flags);
raw_spin_unlock_irqrestore(&desc->lock, flags);
return ret;
}

14
kernel/irq/spurious.c
View File

@ -28,7 +28,7 @@ static int try_one_irq(int irq, struct irq_desc *desc)
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 @@ static int try_one_irq(int irq, struct irq_desc *desc)
*/
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 @@ static int try_one_irq(int irq, struct irq_desc *desc)
}
local_irq_disable();
/* Now clean up the flags */
spin_lock(&desc->lock);
raw_spin_lock(&desc->lock);
action = desc->action;
/*
@ -68,9 +68,9 @@ static int try_one_irq(int irq, struct irq_desc *desc)
* 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 @@ static int try_one_irq(int irq, struct irq_desc *desc)
*/
if (work && desc->chip && desc->chip->end)
desc->chip->end(irq);
spin_unlock(&desc->lock);
raw_spin_unlock(&desc->lock);
return ok;
}