linux-kernel - Re: [PATCH] ARM: STi: Remove platform call to trace_hardirqs

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Date:	Wed, 10 Jun 2015 08:40:08 +0100
From:	Lee Jones <lee.jones@...aro.org>
To:	Peter Griffin <peter.griffin@...aro.org>
Cc:	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	srinivas.kandagatla@...il.com, maxime.coquelin@...com,
	patrice.chotard@...com, linux@....linux.org.uk
Subject: Re: [PATCH] ARM: STi: Remove platform call to trace_hardirqs_off()

On Tue, 09 Jun 2015, Peter Griffin wrote:

> Calling trace_hardirqs_off() from the platform specific
> secondary startup code as not been necessary since Dec 2010
> when Russell King consolidated the call into the common SMP
> code.
> 
> 2c0136d ARM: SMP: consolidate trace_hardirqs_off() into common SMP code
> 
> Signed-off-by: Peter Griffin <peter.griffin@...aro.org>
> ---
>  arch/arm/mach-sti/platsmp.c | 2 --
>  1 file changed, 2 deletions(-)

Acked-by: Lee Jones <lee.jones@...aro.org>

> diff --git a/arch/arm/mach-sti/platsmp.c b/arch/arm/mach-sti/platsmp.c
> index d4b624f..a39f812 100644
> --- a/arch/arm/mach-sti/platsmp.c
> +++ b/arch/arm/mach-sti/platsmp.c
> @@ -38,8 +38,6 @@ static DEFINE_SPINLOCK(boot_lock);
>  
>  static void sti_secondary_init(unsigned int cpu)
>  {
> -	trace_hardirqs_off();
> -
>  	/*
>  	 * let the primary processor know we're out of the
>  	 * pen, then head off into the C entry point

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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