linux-kernel - Re: [External] Re: [PATCH v2 1/3] riscv: obtain ACPI RSDP from FFI.

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Message-ID: <20230703-6ac90a2de15f1017bc0ced74@orel>
Date:   Mon, 3 Jul 2023 16:17:07 +0200
From:   Andrew Jones <ajones@...tanamicro.com>
To:     运辉崔 <cuiyunhui@...edance.com>
Cc:     ardb@...nel.org, palmer@...belt.com, paul.walmsley@...ive.com,
        aou@...s.berkeley.edu, linux-riscv@...ts.infradead.org,
        rminnich@...il.com, mark.rutland@....com, lpieralisi@...nel.org,
        rafael@...nel.org, lenb@...nel.org, jdelvare@...e.com,
        yc.hung@...iatek.com, angelogioacchino.delregno@...labora.com,
        allen-kh.cheng@...iatek.com, pierre-louis.bossart@...ux.intel.com,
        tinghan.shen@...iatek.com, linux-kernel@...r.kernel.org,
        linux-acpi@...r.kernel.org, geshijian@...edance.com,
        weidong.wd@...edance.com
Subject: Re: [External] Re: [PATCH v2 1/3] riscv: obtain ACPI RSDP from FFI.

On Mon, Jul 03, 2023 at 09:30:10PM +0800, 运辉崔 wrote:
> Hi drew,
> 
> On Mon, Jul 3, 2023 at 9:01 PM Andrew Jones <ajones@...tanamicro.com> wrote:
> >
> >
> > (This is a reply to a non-existent cover letter.)
> 
> This has been discussed many times with Ard, Please refer to :
> https://patches.linaro.org/project/linux-acpi/patch/20230426034001.16-1-cuiyunhui@bytedance.com/

There's nothing in that thread that convinces me this is a good idea.
Indeed, afaict from that thread, Ard nacked this. It was only when it
was suggested that arch/riscv would own the code, that he stopped
complaining about it. I wouldn't call that an endorsement.

Thanks,
drew

> 
> 
> > I'm not a big fan of adding yet another interface. Have you considered
> > doing something like [1]?
> >
> > [1] https://github.com/tianocore/tianocore.github.io/wiki/UefiPayloadPkg
> >
> > Thanks,
> > drew
> 
> Thanks,
> Yunhui