diff options
Diffstat (limited to 'include/linux/interrupt.h')
| -rw-r--r-- | include/linux/interrupt.h | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h index 76121c2bb4f8..3f30c88e0b4c 100644 --- a/include/linux/interrupt.h +++ b/include/linux/interrupt.h @@ -5,13 +5,14 @@ #include <linux/kernel.h> #include <linux/bitops.h> -#include <linux/cpumask.h> +#include <linux/cleanup.h> #include <linux/irqreturn.h> #include <linux/irqnr.h> #include <linux/hardirq.h> #include <linux/irqflags.h> #include <linux/hrtimer.h> #include <linux/kref.h> +#include <linux/cpumask_types.h> #include <linux/workqueue.h> #include <linux/jump_label.h> @@ -67,6 +68,8 @@ * later. * IRQF_NO_DEBUG - Exclude from runnaway detection for IPI and similar handlers, * depends on IRQF_PERCPU. + * IRQF_COND_ONESHOT - Agree to do IRQF_ONESHOT if already set for a shared + * interrupt. */ #define IRQF_SHARED 0x00000080 #define IRQF_PROBE_SHARED 0x00000100 @@ -82,6 +85,7 @@ #define IRQF_COND_SUSPEND 0x00040000 #define IRQF_NO_AUTOEN 0x00080000 #define IRQF_NO_DEBUG 0x00100000 +#define IRQF_COND_ONESHOT 0x00200000 #define IRQF_TIMER (__IRQF_TIMER | IRQF_NO_SUSPEND | IRQF_NO_THREAD) @@ -165,7 +169,7 @@ static inline int __must_check request_irq(unsigned int irq, irq_handler_t handler, unsigned long flags, const char *name, void *dev) { - return request_threaded_irq(irq, handler, NULL, flags, name, dev); + return request_threaded_irq(irq, handler, NULL, flags | IRQF_COND_ONESHOT, name, dev); } extern int __must_check @@ -232,6 +236,9 @@ extern void enable_percpu_irq(unsigned int irq, unsigned int type); extern bool irq_percpu_is_enabled(unsigned int irq); extern void irq_wake_thread(unsigned int irq, void *dev_id); +DEFINE_LOCK_GUARD_1(disable_irq, int, + disable_irq(*_T->lock), enable_irq(*_T->lock)) + extern void disable_nmi_nosync(unsigned int irq); extern void disable_percpu_nmi(unsigned int irq); extern void enable_nmi(unsigned int irq); |