linux-kernel - Re: [PATCH v2 1/4] RISC-V: Add RISC-V specific arch_match_cpu_phys

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Message-ID: <20190411065809.GB29422@infradead.org>
Date:   Wed, 10 Apr 2019 23:58:09 -0700
From:   Christoph Hellwig <hch@...radead.org>
To:     Atish Patra <atish.patra@....com>
Cc:     linux-kernel@...r.kernel.org, Albert Ou <aou@...s.berkeley.edu>,
        Andreas Schwab <schwab@...e.de>,
        Anup Patel <anup@...infault.org>,
        Dmitriy Cherkasov <dmitriy@...-tech.org>,
        Johan Hovold <johan@...nel.org>,
        linux-riscv@...ts.infradead.org,
        Palmer Dabbelt <palmer@...ive.com>,
        Paul Walmsley <paul.walmsley@...ive.com>
Subject: Re: [PATCH v2 1/4] RISC-V: Add RISC-V specific arch_match_cpu_phys_id

On Wed, Apr 10, 2019 at 04:04:40PM -0700, Atish Patra wrote:
> OF/DT core has a hook for architecture specific logical cpuid to hartid
> mapping. By implementing this, we can pass the logical cpu id to cpu
> node parsing functions.

But that also means we must pass it that way.  So as-is this would
break existing setups, wouldn't it?