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Subject: Re: [PATCH 1/5] MIPS: Introduce irq_stack
To: Matt Redfearn <matt.redfearn@imgtec.com>
Cc: Ralf Baechle <ralf@linux-mips.org>, linux-mips@linux-mips.org,
        Thomas Gleixner <tglx@linutronix.de>,
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On Fri, Dec 2, 2016 at 2:39 PM, Matt Redfearn <matt.redfearn@imgtec.com> wrote:
> +void *irq_stack[NR_CPUS];

I'm curious why you implemented it this way rather than using
DEFINE_PER_CPU and the related percpu helper functions.