linux-kernel - Re: [PATCH 2/7] microblaze: Make cpuinfo structure SMP aware

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Message-ID: <CAK8P3a0xH_ao_zpFV+sn1vB3Gai0RDXMfn7KgCB0fJh3oV06PQ@mail.gmail.com>
Date:   Wed, 12 Feb 2020 21:42:37 +0100
From:   Arnd Bergmann <arnd@...db.de>
To:     Michal Simek <michal.simek@...inx.com>
Cc:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Michal Simek <monstr@...str.eu>, git@...inx.com,
        Stefan Asserhall <stefan.asserhall@...inx.com>,
        Allison Randal <allison@...utok.net>,
        Enrico Weigelt <info@...ux.net>,
        Kate Stewart <kstewart@...uxfoundation.org>,
        Shubhrajyoti Datta <shubhrajyoti.datta@...inx.com>,
        Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [PATCH 2/7] microblaze: Make cpuinfo structure SMP aware

On Wed, Feb 12, 2020 at 4:42 PM Michal Simek <michal.simek@...inx.com> wrote:

>  static void __flush_icache_range_msr_irq(unsigned long start, unsigned long end)
>  {
> +       unsigned int cpu = smp_processor_id();
> +       struct cpuinfo *cpuinfo = per_cpu_ptr(&cpu_info, cpu);

I think all the instances of smp_processor_id()/per_cpu_ptr() should
be replaced with get_cpu_ptr()/put_cpu_ptr(). Same for per_cpu_var()
 -> get_cpu_var().

       Arnd