linux-kernel - Re: [patch 3/3] x86: io-apic - code style cleaning for setup_IO_APIC

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Date:	Sun, 7 Sep 2008 21:38:03 -0700
From:	"Yinghai Lu" <yhlu.kernel@...il.com>
To:	"Cyrill Gorcunov" <gorcunov@...il.com>
Cc:	"Ingo Molnar" <mingo@...e.hu>, hpa@...or.com,
	linux-kernel@...r.kernel.org, tglx@...utronix.de,
	macro@...ux-mips.org
Subject: Re: [patch 3/3] x86: io-apic - code style cleaning for setup_IO_APIC_irqs

On Sun, Sep 7, 2008 at 9:20 PM, Cyrill Gorcunov <gorcunov@...il.com> wrote:
> On Mon, Sep 8, 2008 at 4:24 AM, Yinghai Lu <yhlu.kernel@...il.com> wrote:
>> On Sat, Sep 6, 2008 at 6:12 AM, Ingo Molnar <mingo@...e.hu> wrote:
>>>
>>> * Cyrill Gorcunov <gorcunov@...il.com> wrote:
>>>
>>>> By changing printout form we are able to shrink code a bit.
>>>>
>>>> Former printout example:
>>>>
>>>>       init IO_APIC IRQs
>>>>        IO-APIC (apicid-pin) 1-1, 1-2, 1-3 not connected.
>>>>        IO-APIC (apicid-pin) 2-1, 2-2, 2-3 not connected.
>>>>
>>>> New printout example:
>>>>
>>>>       init IO_APIC IRQs
>>>>        1-1 1-2 1-3 (apicid-pin) not connected
>>>>        2-1 2-2 2-3 (apicid-pin) not connected
>>>
>>> applied to tip/irq/sparseirq - thanks Cyrill.
>>
>> got
>>  0-16<7> 0-17<7> 0-18<7> 0-19<7> 0-20<7> 0-21<7> 0-22<7> 0-23<7>
>> (apicid-pin) not connected
>>  1-0<7> 1-1<7> 1-2<7> 1-3<7> 1-4<7> 1-5<7> 1-6<7> 1-7<7> 1-8<7> 1-9<7>
>> 1-10<7> 1-11<7> 1-12<7> 1-13<7> 1-14<7> 1-15<7> 1-16<7> 1-17<7>
>> 1-18<7> 1-19<7> 1-20<7> 1-21<7> 1-22<7> 1-23<7> (apicid-pin) not
>> connected
>>
>> can you remove the extra <7>?
>>
>> YH
>>
>
> Btw Yinghai, do you really have a machine with that many unconnected pins?

Yes

recent change in sparseirq, we only init irq [0,16) at that point. so
pins on other io apic controller all unconnected...

YH
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