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-rw-r--r--arch/arm/common/sa1111.c4
-rw-r--r--arch/arm/common/scoop.c2
-rw-r--r--arch/arm/mach-s3c/gpio-samsung.c4
-rw-r--r--arch/arm/mach-sa1100/assabet.c2
-rw-r--r--arch/arm/mach-sa1100/neponset.c2
-rw-r--r--arch/arm/plat-orion/gpio.c2
-rw-r--r--arch/m68k/coldfire/gpio.c2
-rw-r--r--arch/mips/alchemy/common/gpiolib.c6
-rw-r--r--arch/mips/bcm63xx/gpio.c2
-rw-r--r--arch/mips/kernel/gpio_txx9.c2
-rw-r--r--arch/mips/rb532/gpio.c2
-rw-r--r--arch/mips/txx9/generic/setup.c2
-rw-r--r--arch/powerpc/platforms/44x/gpio.c2
-rw-r--r--arch/powerpc/platforms/52xx/mpc52xx_gpt.c2
-rw-r--r--arch/powerpc/platforms/83xx/mcu_mpc8349emitx.c2
-rw-r--r--arch/powerpc/platforms/8xx/cpm1.c4
-rw-r--r--arch/powerpc/sysdev/cpm_common.c2
-rw-r--r--arch/x86/include/asm/hw_irq.h12
-rw-r--r--arch/x86/include/asm/intel-family.h5
-rw-r--r--arch/x86/kernel/irq.c63
20 files changed, 82 insertions, 42 deletions
diff --git a/arch/arm/common/sa1111.c b/arch/arm/common/sa1111.c
index d7e2ea27ce59..3389a70e4d49 100644
--- a/arch/arm/common/sa1111.c
+++ b/arch/arm/common/sa1111.c
@@ -617,8 +617,8 @@ static int sa1111_setup_gpios(struct sa1111 *sachip)
sachip->gc.direction_input = sa1111_gpio_direction_input;
sachip->gc.direction_output = sa1111_gpio_direction_output;
sachip->gc.get = sa1111_gpio_get;
- sachip->gc.set_rv = sa1111_gpio_set;
- sachip->gc.set_multiple_rv = sa1111_gpio_set_multiple;
+ sachip->gc.set = sa1111_gpio_set;
+ sachip->gc.set_multiple = sa1111_gpio_set_multiple;
sachip->gc.to_irq = sa1111_gpio_to_irq;
sachip->gc.base = -1;
sachip->gc.ngpio = 18;
diff --git a/arch/arm/common/scoop.c b/arch/arm/common/scoop.c
index 2d3ee76c8e17..dddb73c96826 100644
--- a/arch/arm/common/scoop.c
+++ b/arch/arm/common/scoop.c
@@ -218,7 +218,7 @@ static int scoop_probe(struct platform_device *pdev)
devptr->gpio.label = dev_name(&pdev->dev);
devptr->gpio.base = inf->gpio_base;
devptr->gpio.ngpio = 12; /* PA11 = 0, PA12 = 1, etc. up to PA22 = 11 */
- devptr->gpio.set_rv = scoop_gpio_set;
+ devptr->gpio.set = scoop_gpio_set;
devptr->gpio.get = scoop_gpio_get;
devptr->gpio.direction_input = scoop_gpio_direction_input;
devptr->gpio.direction_output = scoop_gpio_direction_output;
diff --git a/arch/arm/mach-s3c/gpio-samsung.c b/arch/arm/mach-s3c/gpio-samsung.c
index 3ee4ad969cc2..81e198e5a6d3 100644
--- a/arch/arm/mach-s3c/gpio-samsung.c
+++ b/arch/arm/mach-s3c/gpio-samsung.c
@@ -516,8 +516,8 @@ static void __init samsung_gpiolib_add(struct samsung_gpio_chip *chip)
gc->direction_input = samsung_gpiolib_2bit_input;
if (!gc->direction_output)
gc->direction_output = samsung_gpiolib_2bit_output;
- if (!gc->set_rv)
- gc->set_rv = samsung_gpiolib_set;
+ if (!gc->set)
+ gc->set = samsung_gpiolib_set;
if (!gc->get)
gc->get = samsung_gpiolib_get;
diff --git a/arch/arm/mach-sa1100/assabet.c b/arch/arm/mach-sa1100/assabet.c
index bad8aa661e9d..2b833aa0212b 100644
--- a/arch/arm/mach-sa1100/assabet.c
+++ b/arch/arm/mach-sa1100/assabet.c
@@ -80,7 +80,7 @@ void ASSABET_BCR_frob(unsigned int mask, unsigned int val)
{
unsigned long m = mask, v = val;
- assabet_bcr_gc->set_multiple_rv(assabet_bcr_gc, &m, &v);
+ assabet_bcr_gc->set_multiple(assabet_bcr_gc, &m, &v);
}
EXPORT_SYMBOL(ASSABET_BCR_frob);
diff --git a/arch/arm/mach-sa1100/neponset.c b/arch/arm/mach-sa1100/neponset.c
index 6516598c8a71..88fe79f0a4ed 100644
--- a/arch/arm/mach-sa1100/neponset.c
+++ b/arch/arm/mach-sa1100/neponset.c
@@ -126,7 +126,7 @@ void neponset_ncr_frob(unsigned int mask, unsigned int val)
unsigned long m = mask, v = val;
if (nep)
- n->gpio[0]->set_multiple_rv(n->gpio[0], &m, &v);
+ n->gpio[0]->set_multiple(n->gpio[0], &m, &v);
else
WARN(1, "nep unset\n");
}
diff --git a/arch/arm/plat-orion/gpio.c b/arch/arm/plat-orion/gpio.c
index 6f09f65e3d95..49e29b7894a3 100644
--- a/arch/arm/plat-orion/gpio.c
+++ b/arch/arm/plat-orion/gpio.c
@@ -540,7 +540,7 @@ void __init orion_gpio_init(int gpio_base, int ngpio,
ochip->chip.direction_input = orion_gpio_direction_input;
ochip->chip.get = orion_gpio_get;
ochip->chip.direction_output = orion_gpio_direction_output;
- ochip->chip.set_rv = orion_gpio_set;
+ ochip->chip.set = orion_gpio_set;
ochip->chip.to_irq = orion_gpio_to_irq;
ochip->chip.base = gpio_base;
ochip->chip.ngpio = ngpio;
diff --git a/arch/m68k/coldfire/gpio.c b/arch/m68k/coldfire/gpio.c
index 30e5a4ed799d..e2f7af1facb2 100644
--- a/arch/m68k/coldfire/gpio.c
+++ b/arch/m68k/coldfire/gpio.c
@@ -160,7 +160,7 @@ static struct gpio_chip mcfgpio_chip = {
.direction_input = mcfgpio_direction_input,
.direction_output = mcfgpio_direction_output,
.get = mcfgpio_get_value,
- .set_rv = mcfgpio_set_value,
+ .set = mcfgpio_set_value,
.to_irq = mcfgpio_to_irq,
.base = 0,
.ngpio = MCFGPIO_PIN_MAX,
diff --git a/arch/mips/alchemy/common/gpiolib.c b/arch/mips/alchemy/common/gpiolib.c
index 194034eba75f..e79e26ffac99 100644
--- a/arch/mips/alchemy/common/gpiolib.c
+++ b/arch/mips/alchemy/common/gpiolib.c
@@ -101,7 +101,7 @@ struct gpio_chip alchemy_gpio_chip[] = {
.direction_input = gpio1_direction_input,
.direction_output = gpio1_direction_output,
.get = gpio1_get,
- .set_rv = gpio1_set,
+ .set = gpio1_set,
.to_irq = gpio1_to_irq,
.base = ALCHEMY_GPIO1_BASE,
.ngpio = ALCHEMY_GPIO1_NUM,
@@ -111,7 +111,7 @@ struct gpio_chip alchemy_gpio_chip[] = {
.direction_input = gpio2_direction_input,
.direction_output = gpio2_direction_output,
.get = gpio2_get,
- .set_rv = gpio2_set,
+ .set = gpio2_set,
.to_irq = gpio2_to_irq,
.base = ALCHEMY_GPIO2_BASE,
.ngpio = ALCHEMY_GPIO2_NUM,
@@ -151,7 +151,7 @@ static struct gpio_chip au1300_gpiochip = {
.direction_input = alchemy_gpic_dir_input,
.direction_output = alchemy_gpic_dir_output,
.get = alchemy_gpic_get,
- .set_rv = alchemy_gpic_set,
+ .set = alchemy_gpic_set,
.to_irq = alchemy_gpic_gpio_to_irq,
.base = AU1300_GPIO_BASE,
.ngpio = AU1300_GPIO_NUM,
diff --git a/arch/mips/bcm63xx/gpio.c b/arch/mips/bcm63xx/gpio.c
index e7a53cd0dec5..ff45a6989c3a 100644
--- a/arch/mips/bcm63xx/gpio.c
+++ b/arch/mips/bcm63xx/gpio.c
@@ -131,7 +131,7 @@ static struct gpio_chip bcm63xx_gpio_chip = {
.direction_input = bcm63xx_gpio_direction_input,
.direction_output = bcm63xx_gpio_direction_output,
.get = bcm63xx_gpio_get,
- .set_rv = bcm63xx_gpio_set,
+ .set = bcm63xx_gpio_set,
.base = 0,
};
diff --git a/arch/mips/kernel/gpio_txx9.c b/arch/mips/kernel/gpio_txx9.c
index 027fb57d0d79..96ac40d20c23 100644
--- a/arch/mips/kernel/gpio_txx9.c
+++ b/arch/mips/kernel/gpio_txx9.c
@@ -70,7 +70,7 @@ static int txx9_gpio_dir_out(struct gpio_chip *chip, unsigned int offset,
static struct gpio_chip txx9_gpio_chip = {
.get = txx9_gpio_get,
- .set_rv = txx9_gpio_set,
+ .set = txx9_gpio_set,
.direction_input = txx9_gpio_dir_in,
.direction_output = txx9_gpio_dir_out,
.label = "TXx9",
diff --git a/arch/mips/rb532/gpio.c b/arch/mips/rb532/gpio.c
index 0e47cd59b6cb..9aa5ef374465 100644
--- a/arch/mips/rb532/gpio.c
+++ b/arch/mips/rb532/gpio.c
@@ -164,7 +164,7 @@ static struct rb532_gpio_chip rb532_gpio_chip[] = {
.direction_input = rb532_gpio_direction_input,
.direction_output = rb532_gpio_direction_output,
.get = rb532_gpio_get,
- .set_rv = rb532_gpio_set,
+ .set = rb532_gpio_set,
.to_irq = rb532_gpio_to_irq,
.base = 0,
.ngpio = 32,
diff --git a/arch/mips/txx9/generic/setup.c b/arch/mips/txx9/generic/setup.c
index 5a37e8b234a3..5dc867ea2c69 100644
--- a/arch/mips/txx9/generic/setup.c
+++ b/arch/mips/txx9/generic/setup.c
@@ -655,7 +655,7 @@ void __init txx9_iocled_init(unsigned long baseaddr,
if (!iocled->mmioaddr)
goto out_free;
iocled->chip.get = txx9_iocled_get;
- iocled->chip.set_rv = txx9_iocled_set;
+ iocled->chip.set = txx9_iocled_set;
iocled->chip.direction_input = txx9_iocled_dir_in;
iocled->chip.direction_output = txx9_iocled_dir_out;
iocled->chip.label = "iocled";
diff --git a/arch/powerpc/platforms/44x/gpio.c b/arch/powerpc/platforms/44x/gpio.c
index d540e261d85a..08ab76582568 100644
--- a/arch/powerpc/platforms/44x/gpio.c
+++ b/arch/powerpc/platforms/44x/gpio.c
@@ -180,7 +180,7 @@ static int __init ppc4xx_add_gpiochips(void)
gc->direction_input = ppc4xx_gpio_dir_in;
gc->direction_output = ppc4xx_gpio_dir_out;
gc->get = ppc4xx_gpio_get;
- gc->set_rv = ppc4xx_gpio_set;
+ gc->set = ppc4xx_gpio_set;
ret = of_mm_gpiochip_add_data(np, mm_gc, ppc4xx_gc);
if (ret)
diff --git a/arch/powerpc/platforms/52xx/mpc52xx_gpt.c b/arch/powerpc/platforms/52xx/mpc52xx_gpt.c
index bda707d848a6..7748b6641a3c 100644
--- a/arch/powerpc/platforms/52xx/mpc52xx_gpt.c
+++ b/arch/powerpc/platforms/52xx/mpc52xx_gpt.c
@@ -336,7 +336,7 @@ static void mpc52xx_gpt_gpio_setup(struct mpc52xx_gpt_priv *gpt)
gpt->gc.direction_input = mpc52xx_gpt_gpio_dir_in;
gpt->gc.direction_output = mpc52xx_gpt_gpio_dir_out;
gpt->gc.get = mpc52xx_gpt_gpio_get;
- gpt->gc.set_rv = mpc52xx_gpt_gpio_set;
+ gpt->gc.set = mpc52xx_gpt_gpio_set;
gpt->gc.base = -1;
gpt->gc.parent = gpt->dev;
diff --git a/arch/powerpc/platforms/83xx/mcu_mpc8349emitx.c b/arch/powerpc/platforms/83xx/mcu_mpc8349emitx.c
index 6e37dfc6c5c9..cb7b9498f291 100644
--- a/arch/powerpc/platforms/83xx/mcu_mpc8349emitx.c
+++ b/arch/powerpc/platforms/83xx/mcu_mpc8349emitx.c
@@ -126,7 +126,7 @@ static int mcu_gpiochip_add(struct mcu *mcu)
gc->can_sleep = 1;
gc->ngpio = MCU_NUM_GPIO;
gc->base = -1;
- gc->set_rv = mcu_gpio_set;
+ gc->set = mcu_gpio_set;
gc->direction_output = mcu_gpio_dir_out;
gc->parent = dev;
diff --git a/arch/powerpc/platforms/8xx/cpm1.c b/arch/powerpc/platforms/8xx/cpm1.c
index 7462c221115c..7433be7d66ee 100644
--- a/arch/powerpc/platforms/8xx/cpm1.c
+++ b/arch/powerpc/platforms/8xx/cpm1.c
@@ -499,7 +499,7 @@ int cpm1_gpiochip_add16(struct device *dev)
gc->direction_input = cpm1_gpio16_dir_in;
gc->direction_output = cpm1_gpio16_dir_out;
gc->get = cpm1_gpio16_get;
- gc->set_rv = cpm1_gpio16_set;
+ gc->set = cpm1_gpio16_set;
gc->to_irq = cpm1_gpio16_to_irq;
gc->parent = dev;
gc->owner = THIS_MODULE;
@@ -622,7 +622,7 @@ int cpm1_gpiochip_add32(struct device *dev)
gc->direction_input = cpm1_gpio32_dir_in;
gc->direction_output = cpm1_gpio32_dir_out;
gc->get = cpm1_gpio32_get;
- gc->set_rv = cpm1_gpio32_set;
+ gc->set = cpm1_gpio32_set;
gc->parent = dev;
gc->owner = THIS_MODULE;
diff --git a/arch/powerpc/sysdev/cpm_common.c b/arch/powerpc/sysdev/cpm_common.c
index e22fc638dbc7..f469f6a9f6e0 100644
--- a/arch/powerpc/sysdev/cpm_common.c
+++ b/arch/powerpc/sysdev/cpm_common.c
@@ -210,7 +210,7 @@ int cpm2_gpiochip_add32(struct device *dev)
gc->direction_input = cpm2_gpio32_dir_in;
gc->direction_output = cpm2_gpio32_dir_out;
gc->get = cpm2_gpio32_get;
- gc->set_rv = cpm2_gpio32_set;
+ gc->set = cpm2_gpio32_set;
gc->parent = dev;
gc->owner = THIS_MODULE;
diff --git a/arch/x86/include/asm/hw_irq.h b/arch/x86/include/asm/hw_irq.h
index 162ebd73a698..cbe19e669080 100644
--- a/arch/x86/include/asm/hw_irq.h
+++ b/arch/x86/include/asm/hw_irq.h
@@ -92,8 +92,6 @@ struct irq_cfg {
extern struct irq_cfg *irq_cfg(unsigned int irq);
extern struct irq_cfg *irqd_cfg(struct irq_data *irq_data);
-extern void lock_vector_lock(void);
-extern void unlock_vector_lock(void);
#ifdef CONFIG_SMP
extern void vector_schedule_cleanup(struct irq_cfg *);
extern void irq_complete_move(struct irq_cfg *cfg);
@@ -101,12 +99,16 @@ extern void irq_complete_move(struct irq_cfg *cfg);
static inline void vector_schedule_cleanup(struct irq_cfg *c) { }
static inline void irq_complete_move(struct irq_cfg *c) { }
#endif
-
extern void apic_ack_edge(struct irq_data *data);
-#else /* CONFIG_IRQ_DOMAIN_HIERARCHY */
+#endif /* CONFIG_IRQ_DOMAIN_HIERARCHY */
+
+#ifdef CONFIG_X86_LOCAL_APIC
+extern void lock_vector_lock(void);
+extern void unlock_vector_lock(void);
+#else
static inline void lock_vector_lock(void) {}
static inline void unlock_vector_lock(void) {}
-#endif /* CONFIG_IRQ_DOMAIN_HIERARCHY */
+#endif
/* Statistics */
extern atomic_t irq_err_count;
diff --git a/arch/x86/include/asm/intel-family.h b/arch/x86/include/asm/intel-family.h
index be10c188614f..e345dbdf933e 100644
--- a/arch/x86/include/asm/intel-family.h
+++ b/arch/x86/include/asm/intel-family.h
@@ -150,6 +150,11 @@
#define INTEL_PANTHERLAKE_L IFM(6, 0xCC) /* Cougar Cove / Crestmont */
+#define INTEL_WILDCATLAKE_L IFM(6, 0xD5)
+
+#define INTEL_NOVALAKE IFM(18, 0x01)
+#define INTEL_NOVALAKE_L IFM(18, 0x03)
+
/* "Small Core" Processors (Atom/E-Core) */
#define INTEL_ATOM_BONNELL IFM(6, 0x1C) /* Diamondville, Pineview */
diff --git a/arch/x86/kernel/irq.c b/arch/x86/kernel/irq.c
index 9ed29ff10e59..10721a125226 100644
--- a/arch/x86/kernel/irq.c
+++ b/arch/x86/kernel/irq.c
@@ -256,26 +256,59 @@ static __always_inline void handle_irq(struct irq_desc *desc,
__handle_irq(desc, regs);
}
-static __always_inline int call_irq_handler(int vector, struct pt_regs *regs)
+static struct irq_desc *reevaluate_vector(int vector)
{
- struct irq_desc *desc;
- int ret = 0;
+ struct irq_desc *desc = __this_cpu_read(vector_irq[vector]);
+
+ if (!IS_ERR_OR_NULL(desc))
+ return desc;
+
+ if (desc == VECTOR_UNUSED)
+ pr_emerg_ratelimited("No irq handler for %d.%u\n", smp_processor_id(), vector);
+ else
+ __this_cpu_write(vector_irq[vector], VECTOR_UNUSED);
+ return NULL;
+}
+
+static __always_inline bool call_irq_handler(int vector, struct pt_regs *regs)
+{
+ struct irq_desc *desc = __this_cpu_read(vector_irq[vector]);
- desc = __this_cpu_read(vector_irq[vector]);
if (likely(!IS_ERR_OR_NULL(desc))) {
handle_irq(desc, regs);
- } else {
- ret = -EINVAL;
- if (desc == VECTOR_UNUSED) {
- pr_emerg_ratelimited("%s: %d.%u No irq handler for vector\n",
- __func__, smp_processor_id(),
- vector);
- } else {
- __this_cpu_write(vector_irq[vector], VECTOR_UNUSED);
- }
+ return true;
}
- return ret;
+ /*
+ * Reevaluate with vector_lock held to prevent a race against
+ * request_irq() setting up the vector:
+ *
+ * CPU0 CPU1
+ * interrupt is raised in APIC IRR
+ * but not handled
+ * free_irq()
+ * per_cpu(vector_irq, CPU1)[vector] = VECTOR_SHUTDOWN;
+ *
+ * request_irq() common_interrupt()
+ * d = this_cpu_read(vector_irq[vector]);
+ *
+ * per_cpu(vector_irq, CPU1)[vector] = desc;
+ *
+ * if (d == VECTOR_SHUTDOWN)
+ * this_cpu_write(vector_irq[vector], VECTOR_UNUSED);
+ *
+ * This requires that the same vector on the same target CPU is
+ * handed out or that a spurious interrupt hits that CPU/vector.
+ */
+ lock_vector_lock();
+ desc = reevaluate_vector(vector);
+ unlock_vector_lock();
+
+ if (!desc)
+ return false;
+
+ handle_irq(desc, regs);
+ return true;
}
/*
@@ -289,7 +322,7 @@ DEFINE_IDTENTRY_IRQ(common_interrupt)
/* entry code tells RCU that we're not quiescent. Check it. */
RCU_LOCKDEP_WARN(!rcu_is_watching(), "IRQ failed to wake up RCU");
- if (unlikely(call_irq_handler(vector, regs)))
+ if (unlikely(!call_irq_handler(vector, regs)))
apic_eoi();
set_irq_regs(old_regs);
generated by cgit (git 2.34.1) at 2025-08-11 07:48:58 +0000