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Diffstat (limited to 'kernel')
-rw-r--r--kernel/irq/chip.c36
-rw-r--r--kernel/irq/handle.c19
-rw-r--r--kernel/irq/spurious.c10
-rw-r--r--kernel/power/poweroff.c3
-rw-r--r--kernel/profile.c5
5 files changed, 33 insertions, 40 deletions
diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c
index 53e9dce6c657..11c99697acfe 100644
--- a/kernel/irq/chip.c
+++ b/kernel/irq/chip.c
@@ -249,7 +249,6 @@ static inline void mask_ack_irq(struct irq_desc *desc, int irq)
* handle_simple_irq - Simple and software-decoded IRQs.
* @irq: the interrupt number
* @desc: the interrupt description structure for this irq
- * @regs: pointer to a register structure
*
* Simple interrupts are either sent from a demultiplexing interrupt
* handler or come from hardware, where no interrupt hardware control
@@ -259,7 +258,7 @@ static inline void mask_ack_irq(struct irq_desc *desc, int irq)
* unmask issues if necessary.
*/
void fastcall
-handle_simple_irq(unsigned int irq, struct irq_desc *desc, struct pt_regs *regs)
+handle_simple_irq(unsigned int irq, struct irq_desc *desc)
{
struct irqaction *action;
irqreturn_t action_ret;
@@ -279,9 +278,9 @@ handle_simple_irq(unsigned int irq, struct irq_desc *desc, struct pt_regs *regs)
desc->status |= IRQ_INPROGRESS;
spin_unlock(&desc->lock);
- action_ret = handle_IRQ_event(irq, regs, action);
+ action_ret = handle_IRQ_event(irq, action);
if (!noirqdebug)
- note_interrupt(irq, desc, action_ret, regs);
+ note_interrupt(irq, desc, action_ret);
spin_lock(&desc->lock);
desc->status &= ~IRQ_INPROGRESS;
@@ -293,7 +292,6 @@ out_unlock:
* handle_level_irq - Level type irq handler
* @irq: the interrupt number
* @desc: the interrupt description structure for this irq
- * @regs: pointer to a register structure
*
* Level type interrupts are active as long as the hardware line has
* the active level. This may require to mask the interrupt and unmask
@@ -301,7 +299,7 @@ out_unlock:
* interrupt line is back to inactive.
*/
void fastcall
-handle_level_irq(unsigned int irq, struct irq_desc *desc, struct pt_regs *regs)
+handle_level_irq(unsigned int irq, struct irq_desc *desc)
{
unsigned int cpu = smp_processor_id();
struct irqaction *action;
@@ -329,9 +327,9 @@ handle_level_irq(unsigned int irq, struct irq_desc *desc, struct pt_regs *regs)
desc->status &= ~IRQ_PENDING;
spin_unlock(&desc->lock);
- action_ret = handle_IRQ_event(irq, regs, action);
+ action_ret = handle_IRQ_event(irq, action);
if (!noirqdebug)
- note_interrupt(irq, desc, action_ret, regs);
+ note_interrupt(irq, desc, action_ret);
spin_lock(&desc->lock);
desc->status &= ~IRQ_INPROGRESS;
@@ -345,7 +343,6 @@ out_unlock:
* handle_fasteoi_irq - irq handler for transparent controllers
* @irq: the interrupt number
* @desc: the interrupt description structure for this irq
- * @regs: pointer to a register structure
*
* Only a single callback will be issued to the chip: an ->eoi()
* call when the interrupt has been serviced. This enables support
@@ -353,8 +350,7 @@ out_unlock:
* details in hardware, transparently.
*/
void fastcall
-handle_fasteoi_irq(unsigned int irq, struct irq_desc *desc,
- struct pt_regs *regs)
+handle_fasteoi_irq(unsigned int irq, struct irq_desc *desc)
{
unsigned int cpu = smp_processor_id();
struct irqaction *action;
@@ -382,9 +378,9 @@ handle_fasteoi_irq(unsigned int irq, struct irq_desc *desc,
desc->status &= ~IRQ_PENDING;
spin_unlock(&desc->lock);
- action_ret = handle_IRQ_event(irq, regs, action);
+ action_ret = handle_IRQ_event(irq, action);
if (!noirqdebug)
- note_interrupt(irq, desc, action_ret, regs);
+ note_interrupt(irq, desc, action_ret);
spin_lock(&desc->lock);
desc->status &= ~IRQ_INPROGRESS;
@@ -398,7 +394,6 @@ out:
* handle_edge_irq - edge type IRQ handler
* @irq: the interrupt number
* @desc: the interrupt description structure for this irq
- * @regs: pointer to a register structure
*
* Interrupt occures on the falling and/or rising edge of a hardware
* signal. The occurence is latched into the irq controller hardware
@@ -412,7 +407,7 @@ out:
* loop is left.
*/
void fastcall
-handle_edge_irq(unsigned int irq, struct irq_desc *desc, struct pt_regs *regs)
+handle_edge_irq(unsigned int irq, struct irq_desc *desc)
{
const unsigned int cpu = smp_processor_id();
@@ -463,9 +458,9 @@ handle_edge_irq(unsigned int irq, struct irq_desc *desc, struct pt_regs *regs)
desc->status &= ~IRQ_PENDING;
spin_unlock(&desc->lock);
- action_ret = handle_IRQ_event(irq, regs, action);
+ action_ret = handle_IRQ_event(irq, action);
if (!noirqdebug)
- note_interrupt(irq, desc, action_ret, regs);
+ note_interrupt(irq, desc, action_ret);
spin_lock(&desc->lock);
} while ((desc->status & (IRQ_PENDING | IRQ_DISABLED)) == IRQ_PENDING);
@@ -480,12 +475,11 @@ out_unlock:
* handle_percpu_IRQ - Per CPU local irq handler
* @irq: the interrupt number
* @desc: the interrupt description structure for this irq
- * @regs: pointer to a register structure
*
* Per CPU interrupts on SMP machines without locking requirements
*/
void fastcall
-handle_percpu_irq(unsigned int irq, struct irq_desc *desc, struct pt_regs *regs)
+handle_percpu_irq(unsigned int irq, struct irq_desc *desc)
{
irqreturn_t action_ret;
@@ -494,9 +488,9 @@ handle_percpu_irq(unsigned int irq, struct irq_desc *desc, struct pt_regs *regs)
if (desc->chip->ack)
desc->chip->ack(irq);
- action_ret = handle_IRQ_event(irq, regs, desc->action);
+ action_ret = handle_IRQ_event(irq, desc->action);
if (!noirqdebug)
- note_interrupt(irq, desc, action_ret, regs);
+ note_interrupt(irq, desc, action_ret);
if (desc->chip->eoi)
desc->chip->eoi(irq);
diff --git a/kernel/irq/handle.c b/kernel/irq/handle.c
index 4c6cdbaed661..42aa6f1a3f0f 100644
--- a/kernel/irq/handle.c
+++ b/kernel/irq/handle.c
@@ -27,7 +27,7 @@
* Handles spurious and unhandled IRQ's. It also prints a debugmessage.
*/
void fastcall
-handle_bad_irq(unsigned int irq, struct irq_desc *desc, struct pt_regs *regs)
+handle_bad_irq(unsigned int irq, struct irq_desc *desc)
{
print_irq_desc(irq, desc);
kstat_this_cpu.irqs[irq]++;
@@ -115,7 +115,7 @@ struct irq_chip dummy_irq_chip = {
/*
* Special, empty irq handler:
*/
-irqreturn_t no_action(int cpl, void *dev_id, struct pt_regs *regs)
+irqreturn_t no_action(int cpl, void *dev_id)
{
return IRQ_NONE;
}
@@ -123,13 +123,11 @@ irqreturn_t no_action(int cpl, void *dev_id, struct pt_regs *regs)
/**
* handle_IRQ_event - irq action chain handler
* @irq: the interrupt number
- * @regs: pointer to a register structure
* @action: the interrupt action chain for this irq
*
* Handles the action chain of an irq event
*/
-irqreturn_t handle_IRQ_event(unsigned int irq, struct pt_regs *regs,
- struct irqaction *action)
+irqreturn_t handle_IRQ_event(unsigned int irq, struct irqaction *action)
{
irqreturn_t ret, retval = IRQ_NONE;
unsigned int status = 0;
@@ -140,7 +138,7 @@ irqreturn_t handle_IRQ_event(unsigned int irq, struct pt_regs *regs,
local_irq_enable_in_hardirq();
do {
- ret = action->handler(irq, action->dev_id, regs);
+ ret = action->handler(irq, action->dev_id);
if (ret == IRQ_HANDLED)
status |= action->flags;
retval |= ret;
@@ -158,7 +156,6 @@ irqreturn_t handle_IRQ_event(unsigned int irq, struct pt_regs *regs,
/**
* __do_IRQ - original all in one highlevel IRQ handler
* @irq: the interrupt number
- * @regs: pointer to a register structure
*
* __do_IRQ handles all normal device IRQ's (the special
* SMP cross-CPU interrupts have their own specific
@@ -167,7 +164,7 @@ irqreturn_t handle_IRQ_event(unsigned int irq, struct pt_regs *regs,
* This is the original x86 implementation which is used for every
* interrupt type.
*/
-fastcall unsigned int __do_IRQ(unsigned int irq, struct pt_regs *regs)
+fastcall unsigned int __do_IRQ(unsigned int irq)
{
struct irq_desc *desc = irq_desc + irq;
struct irqaction *action;
@@ -182,7 +179,7 @@ fastcall unsigned int __do_IRQ(unsigned int irq, struct pt_regs *regs)
*/
if (desc->chip->ack)
desc->chip->ack(irq);
- action_ret = handle_IRQ_event(irq, regs, desc->action);
+ action_ret = handle_IRQ_event(irq, desc->action);
desc->chip->end(irq);
return 1;
}
@@ -233,11 +230,11 @@ fastcall unsigned int __do_IRQ(unsigned int irq, struct pt_regs *regs)
spin_unlock(&desc->lock);
- action_ret = handle_IRQ_event(irq, regs, action);
+ action_ret = handle_IRQ_event(irq, action);
spin_lock(&desc->lock);
if (!noirqdebug)
- note_interrupt(irq, desc, action_ret, regs);
+ note_interrupt(irq, desc, action_ret);
if (likely(!(desc->status & IRQ_PENDING)))
break;
desc->status &= ~IRQ_PENDING;
diff --git a/kernel/irq/spurious.c b/kernel/irq/spurious.c
index 417e98092cf2..543ea2e5ad93 100644
--- a/kernel/irq/spurious.c
+++ b/kernel/irq/spurious.c
@@ -16,7 +16,7 @@ static int irqfixup __read_mostly;
/*
* Recovery handler for misrouted interrupts.
*/
-static int misrouted_irq(int irq, struct pt_regs *regs)
+static int misrouted_irq(int irq)
{
int i;
int ok = 0;
@@ -49,7 +49,7 @@ static int misrouted_irq(int irq, struct pt_regs *regs)
while (action) {
/* Only shared IRQ handlers are safe to call */
if (action->flags & IRQF_SHARED) {
- if (action->handler(i, action->dev_id, regs) ==
+ if (action->handler(i, action->dev_id) ==
IRQ_HANDLED)
ok = 1;
}
@@ -70,7 +70,7 @@ static int misrouted_irq(int irq, struct pt_regs *regs)
*/
work = 1;
spin_unlock(&desc->lock);
- handle_IRQ_event(i, regs, action);
+ handle_IRQ_event(i, action);
spin_lock(&desc->lock);
desc->status &= ~IRQ_PENDING;
}
@@ -136,7 +136,7 @@ report_bad_irq(unsigned int irq, struct irq_desc *desc, irqreturn_t action_ret)
}
void note_interrupt(unsigned int irq, struct irq_desc *desc,
- irqreturn_t action_ret, struct pt_regs *regs)
+ irqreturn_t action_ret)
{
if (unlikely(action_ret != IRQ_HANDLED)) {
desc->irqs_unhandled++;
@@ -147,7 +147,7 @@ void note_interrupt(unsigned int irq, struct irq_desc *desc,
if (unlikely(irqfixup)) {
/* Don't punish working computers */
if ((irqfixup == 2 && irq == 0) || action_ret == IRQ_NONE) {
- int ok = misrouted_irq(irq, regs);
+ int ok = misrouted_irq(irq);
if (action_ret == IRQ_NONE)
desc->irqs_unhandled -= ok;
}
diff --git a/kernel/power/poweroff.c b/kernel/power/poweroff.c
index 7a4144ba3afd..f1f900ac3164 100644
--- a/kernel/power/poweroff.c
+++ b/kernel/power/poweroff.c
@@ -23,8 +23,7 @@ static void do_poweroff(void *dummy)
static DECLARE_WORK(poweroff_work, do_poweroff, NULL);
-static void handle_poweroff(int key, struct pt_regs *pt_regs,
- struct tty_struct *tty)
+static void handle_poweroff(int key, struct tty_struct *tty)
{
schedule_work(&poweroff_work);
}
diff --git a/kernel/profile.c b/kernel/profile.c
index fb660c7d35ba..857300a2afec 100644
--- a/kernel/profile.c
+++ b/kernel/profile.c
@@ -25,6 +25,7 @@
#include <linux/mutex.h>
#include <asm/sections.h>
#include <asm/semaphore.h>
+#include <asm/irq_regs.h>
struct profile_hit {
u32 pc, hits;
@@ -366,8 +367,10 @@ void profile_hit(int type, void *__pc)
}
#endif /* !CONFIG_SMP */
-void profile_tick(int type, struct pt_regs *regs)
+void profile_tick(int type)
{
+ struct pt_regs *regs = get_irq_regs();
+
if (type == CPU_PROFILING && timer_hook)
timer_hook(regs);
if (!user_mode(regs) && cpu_isset(smp_processor_id(), prof_cpu_mask))
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-23 18:27:36 +0000