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Date: Fri, 11 Dec 2020 18:08:34 +0000
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From: Marc Zyngier <maz@kernel.org>
Subject: Re: [patch 10/30] arm64/smp: Use irq_desc_kstat_cpu() in arch_show_interrupts()
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To: Thomas Gleixner <tglx@linutronix.de>
Cc: LKML <linux-kernel@vger.kernel.org>, Peter Zijlstra <peterz@infradead.org>, Mark Rutland <mark.rutland@arm.com>, Catalin Marinas <catalin.marinas@arm.com>, Will Deacon <will@kernel.org>, linux-arm-kernel@lists.infradead.org, "James E.J. Bottomley" <James.Bottomley@HansenPartnership.com>, Helge Deller <deller@gmx.de>, afzal mohammed <afzal.mohd.ma@gmail.com>, linux-parisc@vger.kernel.org, Russell King <linux@armlinux.org.uk>, Christian Borntraeger <borntraeger@de.ibm.com>, Heiko Carstens <hca@linux.ibm.com>, linux-s390@vger.kernel.org, Jani Nikula <jani.nikula@linux.intel.com>, Joonas Lahtinen <joonas.lahtinen@linux.intel.com>, Rodrigo Vivi <rodrigo.vivi@intel.com>, David Airlie <airlied@linux.ie>, Daniel Vetter <daniel@ffwll.ch>, Pankaj Bharadiya <pankaj.laxminarayan.bharadiya@intel.com>, Chris Wilson <chris@chris-wilson.co.uk>, Wambui Karuga <wambui.karugax@gmail.com>, intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>, Linus Walleij <linus.walleij@linaro.org>, linux-gpio@vger.kernel.org, Lee Jones <lee.jones@linaro.org>, Jon Mason <jdmason@kudzu.us>, Dave Jiang <dave.jiang@intel.com>, Allen Hubbe <allenbh@gmail.com>, linux-ntb@googlegroups.com, Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>, Rob Herring <robh@kernel.org>, Bjorn Helgaas <bhelgaas@google.com>, Michal Simek <michal.simek@xilinx.com>, linux-pci@vger.kernel.org, Karthikeyan Mitran <m.karthikeyan@mobiveil.co.in>, Hou Zhiqiang <Zhiqiang.Hou@nxp.com>, Tariq Toukan <tariqt@nvidia.com>, "David S. Miller" <davem@davemloft.net>, Jakub Kicinski <kuba@kernel.org>, netdev@vger.kernel.org, linux-rdma@vger.kernel.org, Saeed Mahameed <saeedm@nvidia.com>, Leon Romanovsky <leon@kernel.org>, Boris Ostrovsky <boris.ostrovsky@oracle.com>, Juergen Gross <jgross@suse.com>, Stefano Stabellini <sstabellini@kernel.org>, xen-devel@lists.xenproject.org

On Thu, 10 Dec 2020 19:25:46 +0000,
Thomas Gleixner <tglx@linutronix.de> wrote:
> 
> The irq descriptor is already there, no need to look it up again.
> 
> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
> Cc: Mark Rutland <mark.rutland@arm.com>
> Cc: Catalin Marinas <catalin.marinas@arm.com>
> Cc: Will Deacon <will@kernel.org>
> Cc: Marc Zyngier <maz@kernel.org>
> Cc: linux-arm-kernel@lists.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@kernel.org>

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