Messages in this thread | | | From | Wanpeng Li <> | Date | Sun, 18 Sep 2016 19:35:20 +0800 | Subject | Re: [PATCH] x86/apic: Fix suspicious RCU usage in smp_trace_call_function_interrupt |
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2016-09-15 16:58 GMT+08:00 Thomas Gleixner <tglx@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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