2016-09-15 16:58 GMT+08:00 Thomas Gleixner <t...@linutronix.de>:
> On Thu, 15 Sep 2016, Wanpeng Li wrote:
>> ---
>>  arch/x86/include/asm/apic.h | 2 +-
>>  1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/arch/x86/include/asm/apic.h b/arch/x86/include/asm/apic.h
>> index 1243577..71c1fe2 100644
>> --- a/arch/x86/include/asm/apic.h
>> +++ b/arch/x86/include/asm/apic.h
>> @@ -650,8 +650,8 @@ static inline void entering_ack_irq(void)
>>
>>  static inline void ipi_entering_ack_irq(void)
>>  {
>> -     ack_APIC_irq();
>>       irq_enter();
>> +     ack_APIC_irq();
>>  }
>
> which makes ipi_entering_ack_irq() the same as entering_ack_irq() and
> therefor pointless.

They are still similar before this fix.
https://lkml.org/lkml/2016/3/18/332 I just sent out v2 for both
ipi_entering_ack_irq() and exiting_ack_irq().

Regards,
Wanpeng Li

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