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linux-next/arch/x86/include/asm/irq_work.h
Frederic Weisbecker 3010279f0f x86: Tell irq work about self IPI support
x86 supports irq work self-IPIs when local apic is available. This is
partly known on runtime so lets implement arch_irq_work_has_interrupt()
accordingly.

This should be safely called after setup_arch().

Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
2014-09-13 18:38:29 +02:00

12 lines
186 B
C

#ifndef _ASM_IRQ_WORK_H
#define _ASM_IRQ_WORK_H
#include <asm/processor.h>
static inline bool arch_irq_work_has_interrupt(void)
{
return cpu_has_apic;
}
#endif /* _ASM_IRQ_WORK_H */