linux-kernel - Re: [tip:smp/hotplug] smp: Remove num_booting

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Date:	Tue, 05 Jun 2012 22:45:55 +0530
From:	"Srivatsa S. Bhat" <srivatsa.bhat@...ux.vnet.ibm.com>
To:	linux-kernel@...r.kernel.org, mingo@...nel.org, hpa@...or.com,
	rusty@...tcorp.com.au, tglx@...utronix.de,
	srivatsa.bhat@...ux.vnet.ibm.com
CC:	linux-tip-commits@...r.kernel.org
Subject: Re: [tip:smp/hotplug] smp: Remove num_booting_cpus()

On 06/05/2012 09:22 PM, tip-bot for Thomas Gleixner wrote:

> Commit-ID:  43cc7e86f3200b094e2960b732623aeec00b482d
> Gitweb:     http://git.kernel.org/tip/43cc7e86f3200b094e2960b732623aeec00b482d
> Author:     Thomas Gleixner <tglx@...utronix.de>
> AuthorDate: Tue, 15 May 2012 17:26:16 +0200
> Committer:  Thomas Gleixner <tglx@...utronix.de>
> CommitDate: Tue, 5 Jun 2012 17:32:30 +0200
> 
> smp: Remove num_booting_cpus()
> 
> No users.
> 
> Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
> Cc: Srivatsa S. Bhat <srivatsa.bhat@...ux.vnet.ibm.com>
> Cc: Rusty Russell <rusty@...tcorp.com.au>


Acked-by: Srivatsa S. Bhat <srivatsa.bhat@...ux.vnet.ibm.com>

Regards,
Srivatsa S. Bhat

> ---
>  arch/m32r/include/asm/smp.h |    5 -----
>  arch/x86/include/asm/smp.h  |    5 -----
>  include/linux/smp.h         |    1 -
>  3 files changed, 0 insertions(+), 11 deletions(-)
> 
> diff --git a/arch/m32r/include/asm/smp.h b/arch/m32r/include/asm/smp.h
> index cf7829a..c689b82 100644
> --- a/arch/m32r/include/asm/smp.h
> +++ b/arch/m32r/include/asm/smp.h
> @@ -79,11 +79,6 @@ static __inline__ int cpu_number_map(int cpu)
>  	return cpu;
>  }
> 
> -static __inline__ unsigned int num_booting_cpus(void)
> -{
> -	return cpumask_weight(&cpu_callout_map);
> -}
> -
>  extern void smp_send_timer(void);
>  extern unsigned long send_IPI_mask_phys(const cpumask_t*, int, int);
> 
> diff --git a/arch/x86/include/asm/smp.h b/arch/x86/include/asm/smp.h
> index f483945..2ffa95d 100644
> --- a/arch/x86/include/asm/smp.h
> +++ b/arch/x86/include/asm/smp.h
> @@ -169,11 +169,6 @@ void x86_idle_thread_init(unsigned int cpu, struct task_struct *idle);
>  void smp_store_cpu_info(int id);
>  #define cpu_physical_id(cpu)	per_cpu(x86_cpu_to_apicid, cpu)
> 
> -/* We don't mark CPUs online until __cpu_up(), so we need another measure */
> -static inline int num_booting_cpus(void)
> -{
> -	return cpumask_weight(cpu_callout_mask);
> -}
>  #else /* !CONFIG_SMP */
>  #define wbinvd_on_cpu(cpu)     wbinvd()
>  static inline int wbinvd_on_all_cpus(void)
> diff --git a/include/linux/smp.h b/include/linux/smp.h
> index a34d4f1..dd6f06b 100644
> --- a/include/linux/smp.h
> +++ b/include/linux/smp.h
> @@ -177,7 +177,6 @@ static inline int up_smp_call_function(smp_call_func_t func, void *info)
>  	} while (0)
> 
>  static inline void smp_send_reschedule(int cpu) { }
> -#define num_booting_cpus()			1
>  #define smp_prepare_boot_cpu()			do {} while (0)
>  #define smp_call_function_many(mask, func, info, wait) \
>  			(up_smp_call_function(func, info))
> 

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