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Date:   Wed, 10 Apr 2019 23:58:09 -0700
From:   Christoph Hellwig <hch@infradead.org>
To:     Atish Patra <atish.patra@wdc.com>
Cc:     linux-kernel@vger.kernel.org, Albert Ou <aou@eecs.berkeley.edu>,
        Andreas Schwab <schwab@suse.de>,
        Anup Patel <anup@brainfault.org>,
        Dmitriy Cherkasov <dmitriy@oss-tech.org>,
        Johan Hovold <johan@kernel.org>,
        linux-riscv@lists.infradead.org,
        Palmer Dabbelt <palmer@sifive.com>,
        Paul Walmsley <paul.walmsley@sifive.com>
Subject: Re: [PATCH v2 1/4] RISC-V: Add RISC-V specific arch_match_cpu_phys_id
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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?