Most of the time, x86 can trigger self-IPIs. Tell irq work subsystem about it.
Signed-off-by: Frederic Weisbecker <fweis...@gmail.com> Cc: Peter Zijlstra <pet...@infradead.org> Cc: Thomas Gleixner <t...@linutronix.de> Cc: Ingo Molnar <mi...@kernel.org> Cc: Andrew Morton <a...@linux-foundation.org> Cc: Steven Rostedt <rost...@goodmis.org> --- arch/x86/include/asm/irq_work.h | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-) diff --git a/arch/x86/include/asm/irq_work.h b/arch/x86/include/asm/irq_work.h index dad8266..fc62b60 100644 --- a/arch/x86/include/asm/irq_work.h +++ b/arch/x86/include/asm/irq_work.h @@ -2,8 +2,12 @@ #define _ASM_X86_IRQ_WORK_H #ifdef CONFIG_X86_LOCAL_APIC +#include <asm/cpufeature.h> + extern void __arch_irq_work_raise(void); #define arch_irq_work_raise __arch_irq_work_raise + +#define arch_irq_work_use_tick() (!cpu_has_apic) #endif #include <asm-generic/irq_work.h> -- 1.7.5.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/