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

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Message-ID: <1368607570.5142.46.camel@liguang.fnst.cn.fujitsu.com>
Date:	Wed, 15 May 2013 16:46:10 +0800
From:	li guang <lig.fnst@...fujitsu.com>
To:	"Srivatsa S. Bhat" <srivatsa.bhat@...ux.vnet.ibm.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

在 2013-05-15三的 13:58 +0530，Srivatsa S. Bhat写道：
> 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 seems CONFIG_INIT_ALL_POSSIBLE is obsolete now.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
> 

Oh, yes, 
I was fooled by a script which is not aiming to do this check.

Thanks!

> > 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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