linux-kernel - Re: [PATCH v4 00/14] MIPS: Support I6500 multi-cluster configuration

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Date: Fri, 21 Jun 2024 12:04:30 +0100
From: "Jiaxun Yang" <jiaxun.yang@...goat.com>
To: "Thomas Bogendoerfer" <tsbogend@...ha.franken.de>
Cc: "Aleksandar Rikalo" <aleksandar.rikalo@...mia.com>,
 "Aleksandar Rikalo" <arikalo@...il.com>, "Chao-ying Fu" <cfu@...ecomp.com>,
 "Daniel Lezcano" <daniel.lezcano@...aro.org>,
 "Geert Uytterhoeven" <geert@...ux-m68k.org>,
 "Greg Ungerer" <gerg@...nel.org>, "Hauke Mehrtens" <hauke@...ke-m.de>,
 "Ilya Lipnitskiy" <ilya.lipnitskiy@...il.com>, linux-kernel@...r.kernel.org,
 "linux-mips@...r.kernel.org" <linux-mips@...r.kernel.org>,
 "Marc Zyngier" <maz@...nel.org>,
 "paulburton@...nel.org" <paulburton@...nel.org>,
 "Peter Zijlstra" <peterz@...radead.org>,
 "Serge Semin" <fancer.lancer@...il.com>,
 "Thomas Gleixner" <tglx@...utronix.de>,
 "Tiezhu Yang" <yangtiezhu@...ngson.cn>
Subject: Re: [PATCH v4 00/14] MIPS: Support I6500 multi-cluster configuration



在2024年6月21日六月 上午9:21，Thomas Bogendoerfer写道：
> On Fri, Jun 21, 2024 at 12:05:32AM +0100, Jiaxun Yang wrote:
>> 
>> 
>> 在2024年6月20日六月 下午6:56，Thomas Bogendoerfer写道：
>> > On Sat, May 11, 2024 at 12:43:27PM +0200, Aleksandar Rikalo wrote:
>> >> Taken from Paul Burton MIPS repo with minor changes from Chao-ying Fu.
>> >> Tested with 64r6el_defconfig on Boston board in 2 cluster/2 VPU and
>> >> 1 cluster/4 VPU configurations.
>> >
>> > which existing CPUs can use this ?
>> 
>> Besides Boston are some multi cluster I6500 systems in wild, including Fungible F1,
>> which comes with 52 cores in data panel.
>> 
>> Those vendors show no interest on mainline kernel support though.
>
> ok, so looking at the series it touches areas with different maintainers,
> I'm fine taking the MIPS parts, can I simply cherry-pick them out
> of the series ?

For irqchip part I think it must be taken together with MIPS arch part.
It's a part of MIPS CORE DRIVERS maintainers entry as well.

For FDC I think functionally it's not a prerequisite.

Thanks
>
> Thomas.
>
> -- 
> Crap can work. Given enough thrust pigs will fly, but it's not necessarily a
> good idea.                                                [ RFC1925, 2.3 ]

-- 
- Jiaxun