linux-kernel - Re: [PATCH] cpu remove CONFIG_INIT_ALL

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Message-ID: <51934744.9010803@linux.vnet.ibm.com>
Date:	Wed, 15 May 2013 13:58:52 +0530
From:	"Srivatsa S. Bhat" <srivatsa.bhat@...ux.vnet.ibm.com>
To:	liguang <lig.fnst@...fujitsu.com>
CC:	linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Yasuaki Ishimatsu <isimatu.yasuaki@...fujitsu.com>,
	Anton Vorontsov <anton.vorontsov@...aro.org>
Subject: Re: [PATCH] cpu remove CONFIG_INIT_ALL_POSSIBLE check

On 05/15/2013 01:20 PM, liguang wrote:
> seems CONFIG_INIT_ALL_POSSIBLE is obsolete now.
> 

Um? A simple grep showed me this:

arch/s390/Kconfig:      select INIT_ALL_POSSIBLE
arch/m32r/Kconfig:      select INIT_ALL_POSSIBLE
arch/parisc/Kconfig:    select INIT_ALL_POSSIBLE
init/Kconfig:config INIT_ALL_POSSIBLE

Regards,
Srivatsa S. Bhat

> Signed-off-by: liguang <lig.fnst@...fujitsu.com>
> ---
>  kernel/cpu.c |    5 -----
>  1 files changed, 0 insertions(+), 5 deletions(-)
> 
> diff --git a/kernel/cpu.c b/kernel/cpu.c
> index cd166d3..2697d1a 100644
> --- a/kernel/cpu.c
> +++ b/kernel/cpu.c
> @@ -662,12 +662,7 @@ EXPORT_SYMBOL_GPL(cpu_bit_bitmap);
>  const DECLARE_BITMAP(cpu_all_bits, NR_CPUS) = CPU_BITS_ALL;
>  EXPORT_SYMBOL(cpu_all_bits);
> 
> -#ifdef CONFIG_INIT_ALL_POSSIBLE
> -static DECLARE_BITMAP(cpu_possible_bits, CONFIG_NR_CPUS) __read_mostly
> -	= CPU_BITS_ALL;
> -#else
>  static DECLARE_BITMAP(cpu_possible_bits, CONFIG_NR_CPUS) __read_mostly;
> -#endif
>  const struct cpumask *const cpu_possible_mask = to_cpumask(cpu_possible_bits);
>  EXPORT_SYMBOL(cpu_possible_mask);
> 

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