linux-kernel - Re: [patch 8/8] x86: apic

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Message-ID: <aa79d98a0808142341k6a074c8fh41e44a9f23c14f0a@mail.gmail.com>
Date:	Fri, 15 Aug 2008 10:41:03 +0400
From:	"Cyrill Gorcunov" <gorcunov@...il.com>
To:	"Maciej W. Rozycki" <macro@...ux-mips.org>
Cc:	mingo@...e.hu, tglx@...utronix.de, hpa@...or.com,
	yhlu.kernel@...il.com, linux-kernel@...r.kernel.org
Subject: Re: [patch 8/8] x86: apic - unify init_bsp_APIC

On Thu, Aug 14, 2008 at 11:44 PM, Maciej W. Rozycki
<macro@...ux-mips.org> wrote:
> On Thu, 1 Jan 1970, Cyrill Gorcunov wrote:
>
>> @@ -962,7 +962,8 @@ void __init init_bsp_APIC(void)
>>        */
>>       apic_write(APIC_LVT0, APIC_DM_EXTINT);
>>       value = APIC_DM_NMI;
>> -     if (!lapic_is_integrated())             /* 82489DX */
>> +     /* discrete on 82489DX */
>> +     if (!lapic_is_integrated())
>>               value |= APIC_LVT_LEVEL_TRIGGER;
>>       apic_write(APIC_LVT1, value);
>>  }
>
>  Please elaborate.
>
>  Maciej
>

Hi Maciej,

don't really understand what do you mean. Do you mean it should
be a separate patch for this code snippet? Actually since we
always have lapic integrated on 64bit cpu gcc will eliminate
this check.

Cyrill
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