diff options
| -rw-r--r-- | arch/x86/include/asm/irq_work.h | 8 | ||||
| -rw-r--r-- | arch/x86/kernel/irq_work.c | 4 |
2 files changed, 10 insertions, 2 deletions
diff --git a/arch/x86/include/asm/irq_work.h b/arch/x86/include/asm/irq_work.h index f70604125286..ddbb8ea0f5a9 100644 --- a/arch/x86/include/asm/irq_work.h +++ b/arch/x86/include/asm/irq_work.h @@ -3,9 +3,17 @@ #include <asm/cpufeature.h> +#ifdef CONFIG_X86_LOCAL_APIC static inline bool arch_irq_work_has_interrupt(void) { return boot_cpu_has(X86_FEATURE_APIC); } +extern void arch_irq_work_raise(void); +#else +static inline bool arch_irq_work_has_interrupt(void) +{ + return false; +} +#endif #endif /* _ASM_IRQ_WORK_H */ diff --git a/arch/x86/kernel/irq_work.c b/arch/x86/kernel/irq_work.c index 8054caee401f..70dee056f92b 100644 --- a/arch/x86/kernel/irq_work.c +++ b/arch/x86/kernel/irq_work.c @@ -11,6 +11,7 @@ #include <asm/trace/irq_vectors.h> #include <linux/interrupt.h> +#ifdef CONFIG_X86_LOCAL_APIC __visible void __irq_entry smp_irq_work_interrupt(struct pt_regs *regs) { ipi_entering_ack_irq(); @@ -23,11 +24,10 @@ __visible void __irq_entry smp_irq_work_interrupt(struct pt_regs *regs) void arch_irq_work_raise(void) { -#ifdef CONFIG_X86_LOCAL_APIC if (!arch_irq_work_has_interrupt()) return; apic->send_IPI_self(IRQ_WORK_VECTOR); apic_wait_icr_idle(); -#endif } +#endif |