linux-kernel - Re: [PATCH v2 11/22] arm64: Populate cpuinfo after notify_cpu

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Message-ID: <20151008101508.GE17192@e104818-lin.cambridge.arm.com>
Date:	Thu, 8 Oct 2015 11:15:09 +0100
From:	Catalin Marinas <catalin.marinas@....com>
To:	"Suzuki K. Poulose" <suzuki.poulose@....com>
Cc:	linux-arm-kernel@...ts.infradead.org, mark.rutland@....com,
	Vladimir.Murzin@....com, steve.capper@...aro.org,
	ard.biesheuvel@...aro.org, marc.zyngier@....com,
	will.deacon@....com, linux-kernel@...r.kernel.org,
	edward.nevill@...aro.org, aph@...hat.com, james.morse@....com,
	andre.przywara@....com, dave.martin@....com
Subject: Re: [PATCH v2 11/22] arm64: Populate cpuinfo after
 notify_cpu_starting

On Mon, Oct 05, 2015 at 06:02:00PM +0100, Suzuki K. Poulose wrote:
> diff --git a/arch/arm64/kernel/smp.c b/arch/arm64/kernel/smp.c
> index cb3e0d8..6987de4 100644
> --- a/arch/arm64/kernel/smp.c
> +++ b/arch/arm64/kernel/smp.c
> @@ -163,14 +163,14 @@ asmlinkage void secondary_start_kernel(void)
>  		cpu_ops[cpu]->cpu_postboot();
>  
>  	/*
> -	 * Log the CPU info before it is marked online and might get read.
> +	 * Enable GIC and timers.
>  	 */
> -	cpuinfo_store_cpu();
> +	notify_cpu_starting(cpu);
>  
>  	/*
> -	 * Enable GIC and timers.
> +	 * Log the CPU info before it is marked online and might get read.
>  	 */
> -	notify_cpu_starting(cpu);
> +	cpuinfo_store_cpu();
>  
>  	smp_store_cpu_info(cpu);

You can move the cpuinfo_store_cpu() call directly to
smp_store_cpu_info().

-- 
Catalin
--
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