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References: <20210924170546.805663-1-f.fainelli@gmail.com> <20210924170546.805663-2-f.fainelli@gmail.com>
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From:   Rob Herring <robh+dt@kernel.org>
Date:   Mon, 27 Sep 2021 14:32:08 -0500
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Subject: Re: [PATCH 01/11] arch: Export cpu_logical_map to modules
To:     Florian Fainelli <f.fainelli@gmail.com>
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On Fri, Sep 24, 2021 at 12:06 PM Florian Fainelli <f.fainelli@gmail.com> wrote:
>
> In order to allow drivers/irqchip/irq-bcm7038-l1.c to be built as a
> module and usable in GKI, export cpu_logical_map or __cpu_logical_map
> towards the modules.

This is the usage:

#ifdef CONFIG_SMP
        cpu = intc->cpus[cpu_logical_map(smp_processor_id())];
#else
        cpu = intc->cpus[0];
#endif

This is totally broken! cpu_logical_map() takes the logical cpu
number, 0-N, and returns the MPIDR which you then use as an array
index.

Rob