linux-kernel - Re: [patch 10/30] arm64/smp: Use irq_desc_kstat_cpu() in arch_show

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Message-ID: <87y2i443ml.wl-maz@kernel.org>
Date:   Fri, 11 Dec 2020 18:08:34 +0000
From:   Marc Zyngier <maz@...nel.org>
To:     Thomas Gleixner <tglx@...utronix.de>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Mark Rutland <mark.rutland@....com>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>,
        linux-arm-kernel@...ts.infradead.org,
        "James E.J. Bottomley" <James.Bottomley@...senPartnership.com>,
        Helge Deller <deller@....de>,
        afzal mohammed <afzal.mohd.ma@...il.com>,
        linux-parisc@...r.kernel.org, Russell King <linux@...linux.org.uk>,
        Christian Borntraeger <borntraeger@...ibm.com>,
        Heiko Carstens <hca@...ux.ibm.com>, linux-s390@...r.kernel.org,
        Jani Nikula <jani.nikula@...ux.intel.com>,
        Joonas Lahtinen <joonas.lahtinen@...ux.intel.com>,
        Rodrigo Vivi <rodrigo.vivi@...el.com>,
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        Daniel Vetter <daniel@...ll.ch>,
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        xen-devel@...ts.xenproject.org
Subject: Re: [patch 10/30] arm64/smp: Use irq_desc_kstat_cpu() in arch_show_interrupts()

On Thu, 10 Dec 2020 19:25:46 +0000,
Thomas Gleixner <tglx@...utronix.de> wrote:
> 
> The irq descriptor is already there, no need to look it up again.
> 
> Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
> Cc: Mark Rutland <mark.rutland@....com>
> Cc: Catalin Marinas <catalin.marinas@....com>
> Cc: Will Deacon <will@...nel.org>
> Cc: Marc Zyngier <maz@...nel.org>
> Cc: linux-arm-kernel@...ts.infradead.org
> ---
>  arch/arm64/kernel/smp.c |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> --- a/arch/arm64/kernel/smp.c
> +++ b/arch/arm64/kernel/smp.c
> @@ -809,7 +809,7 @@ int arch_show_interrupts(struct seq_file
>  		seq_printf(p, "%*s%u:%s", prec - 1, "IPI", i,
>  			   prec >= 4 ? " " : "");
>  		for_each_online_cpu(cpu)
> -			seq_printf(p, "%10u ", kstat_irqs_cpu(irq, cpu));
> +			seq_printf(p, "%10u ", irq_desc_kstat_cpu(ipi_desc[i], cpu));
>  		seq_printf(p, "      %s\n", ipi_types[i]);
>  	}
>  
> 
> 

Acked-by: Marc Zyngier <maz@...nel.org>

-- 
Without deviation from the norm, progress is not possible.