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Re: [RFC PATCH 1/6] x86/apic: Replace init_bsp_APIC() with apic_virture_wire_mode_setup()

From Dou Liyang <douly.fnst@cn.fujitsu.com>
Newsgroups linux.kernel
Subject Re: [RFC PATCH 1/6] x86/apic: Replace init_bsp_APIC() with apic_virture_wire_mode_setup()
Date 2017-04-06 03:40 +0200
Message-ID <tt4yZ-1OU-3@gated-at.bofh.it> (permalink)
References <tqneO-8iT-11@gated-at.bofh.it> <tqneP-8iT-33@gated-at.bofh.it> <tsQFI-1vp-35@gated-at.bofh.it> <tsQPo-1yL-19@gated-at.bofh.it>
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Hi Thomas,

At 04/05/2017 06:50 PM, Thomas Gleixner wrote:
> On Wed, 5 Apr 2017, Thomas Gleixner wrote:
>
>> On Wed, 29 Mar 2017, Dou Liyang wrote:
>>
>>> The init_bsp_APIC() setups the virtual wire mode through the local
>>> APIC.
>>>
>>> The function name is unsuitable which might imply that the BSP's
>>> APIC will be initialized here, actually, where it will be done is
>>> almost at the end of start_kernel(). And the CONFIG X86_64 is also
>>> imply the X86_LOCAL_APIC is y.
>>
>> Correct, but X86_32 can have X86_LOCAL_APIC=n. And by removing the ifdefs
>> you break that.
>
> Oops. Sorry, the function is replaced by an empty stub for the APIC=n
> case. So that's correct.
>

I forgot to clear it in the change log. I will add this comment to the
change log.

Thanks,
	Liyang

>>>  /*
>>> - * An initial setup of the virtual wire mode.
>>> + * Setup the through-local-APIC virtual wire mode.
>>>   */
>>> -void __init init_bsp_APIC(void)
>>> +void apic_virture_wire_mode_setup(void)
>>
>> s/virture/virtual/ ?
>>
>> Why is this function not longer marked __init ?
>>
>> Thanks,
>>
>> 	tglx
>>
>
>
>

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Thread

[RFC PATCH 1/6] x86/apic: Replace init_bsp_APIC() with apic_virture_wire_mode_setup() Dou Liyang <douly.fnst@cn.fujitsu.com> - 2017-03-29 17:00 +0200
  Re: [RFC PATCH 1/6] x86/apic: Replace init_bsp_APIC() with  apic_virture_wire_mode_setup() Thomas Gleixner <tglx@linutronix.de> - 2017-04-05 12:50 +0200
    Re: [RFC PATCH 1/6] x86/apic: Replace init_bsp_APIC() with  apic_virture_wire_mode_setup() Thomas Gleixner <tglx@linutronix.de> - 2017-04-05 13:00 +0200
      Re: [RFC PATCH 1/6] x86/apic: Replace init_bsp_APIC() with  apic_virture_wire_mode_setup() Dou Liyang <douly.fnst@cn.fujitsu.com> - 2017-04-06 03:40 +0200
    Re: [RFC PATCH 1/6] x86/apic: Replace init_bsp_APIC() with  apic_virture_wire_mode_setup() Dou Liyang <douly.fnst@cn.fujitsu.com> - 2017-04-06 03:40 +0200

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