Re: [PATCH] x86,apic: Blacklist x2APIC on some platforms

From: Sergio Correia
Date: Mon Mar 18 2013 - 21:10:23 EST


Hello,

On Sat, Jan 5, 2013 at 10:55 AM, Youquan Song
<youquan.song@xxxxxxxxxxxxxxx> wrote:
> On Tue, Dec 18, 2012 at 09:42:30AM -0800, Yinghai Lu wrote:
>> On Tue, Dec 18, 2012 at 9:33 AM, H. Peter Anvin <hpa@xxxxxxxxxxxxxxx> wrote:
>> > On 12/18/2012 09:07 AM, Youquan Song wrote:
>> >> Blacklist x2apic when Nivida graphics enabled on Lenovo ThinkPad T420.
>> >> Also set blacklist x2apic for Lenovo ThinkPad W520 and L520.
>> >
>> > I thought we had gotten reports that the Nvidia correlation was false?
>>
>> that's T520.
>
> Hi hpa,
>
> Yinghai's T520 works when x2APIC enabled, so do not need to blacklist.
>
> Would you like to take the patch?
>

I found this patch after some googling and for the record, it makes my
W520 boot with VT-d enabled and the discrete NVidia card.
Is it still being considered?

thanks,
Sergio

> Thanks
> -Youquan
>
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