linux-kernel - Re: [Next] CPU Hotplug test failures on powerpc

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Message-ID: <4B287242.5070002@in.ibm.com>
Date:	Wed, 16 Dec 2009 11:08:10 +0530
From:	Sachin Sant <sachinp@...ibm.com>
To:	Peter Zijlstra <peterz@...radead.org>
CC:	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Linux/PPC Development <linuxppc-dev@...abs.org>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	Ingo Molnar <mingo@...e.hu>, linux-next@...r.kernel.org
Subject: Re: [Next] CPU Hotplug test failures on powerpc

Peter Zijlstra wrote:
> Could you try the below?
>   
No luck. Still the same issue. The mask values don't change.

Thanks
-Sachin

> ---
>  init/main.c |    7 +------
>  1 files changed, 1 insertions(+), 6 deletions(-)
>
> diff --git a/init/main.c b/init/main.c
> index 4051d75..4be7de2 100644
> --- a/init/main.c
> +++ b/init/main.c
> @@ -369,12 +369,6 @@ static void __init smp_init(void)
>  {
>  	unsigned int cpu;
>  
> -	/*
> -	 * Set up the current CPU as possible to migrate to.
> -	 * The other ones will be done by cpu_up/cpu_down()
> -	 */
> -	set_cpu_active(smp_processor_id(), true);
> -
>  	/* FIXME: This should be done in userspace --RR */
>  	for_each_present_cpu(cpu) {
>  		if (num_online_cpus() >= setup_max_cpus)
> @@ -486,6 +480,7 @@ static void __init boot_cpu_init(void)
>  	int cpu = smp_processor_id();
>  	/* Mark the boot cpu "present", "online" etc for SMP and UP case */
>  	set_cpu_online(cpu, true);
> +	set_cpu_active(cpu, true);
>  	set_cpu_present(cpu, true);
>  	set_cpu_possible(cpu, true);
>  }
>
>
>   


-- 

---------------------------------
Sachin Sant
IBM Linux Technology Center
India Systems and Technology Labs
Bangalore, India
---------------------------------

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