linux-kernel - Re: [PATCH v2] xen/smp: Use die_complete completion when taking CPU down

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Date:	Wed, 22 Oct 2014 11:44:20 -0400
From:	Boris Ostrovsky <boris.ostrovsky@...cle.com>
To:	"H. Peter Anvin" <hpa@...or.com>, tglx@...utronix.de,
	mingo@...hat.com, konrad.wilk@...cle.com, david.vrabel@...rix.com
CC:	tianyu.lan@...el.com, linux-kernel@...r.kernel.org,
	xen-devel@...ts.xenproject.org
Subject: Re: [PATCH v2] xen/smp: Use die_complete completion when taking CPU
 down

On 10/22/2014 11:37 AM, H. Peter Anvin wrote:
> On 10/16/2014 09:47 AM, Boris Ostrovsky wrote:
>> diff --git a/arch/x86/include/asm/smp.h b/arch/x86/include/asm/smp.h
>> index 8cd27e0..a78c509 100644
>> --- a/arch/x86/include/asm/smp.h
>> +++ b/arch/x86/include/asm/smp.h
>> @@ -149,7 +149,11 @@ static inline void arch_send_call_function_ipi_mask(const struct cpumask *mask)
>>   	smp_ops.send_call_func_ipi(mask);
>>   }
>>   
>> +#ifdef CONFIG_HOTPLUG_CPU
>>   void cpu_disable_common(void);
>> +void cpu_die_common(unsigned int cpu);
>> +void play_dead_common(void);
>> +#endif
> We generally don't #ifdef prototypes unless they are inlines or macros
> in the unconfiged case.

OK, I'll resend with these ifdefs removed.

Thanks.
-boris
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