linux-kernel - Re: [PATCH 03/16] x86: Make default_send_IPI_mask_sequence/allbutself

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Date:	Mon, 24 Jan 2011 11:55:10 -0800
From:	Yinghai Lu <yinghai@...nel.org>
To:	Tejun Heo <tj@...nel.org>
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...hat.com,
	tglx@...utronix.de, x86@...nel.org, eric.dumazet@...il.com,
	brgerst@...il.com, gorcunov@...il.com, penberg@...nel.org,
	shaohui.zheng@...el.com, rientjes@...gle.com
Subject: Re: [PATCH 03/16] x86: Make default_send_IPI_mask_sequence/allbutself_logical()
 32bit only

On Sun, Jan 23, 2011 at 5:37 AM, Tejun Heo <tj@...nel.org> wrote:
> Both functions are used only in 32bit.  Put them inside CONFIG_X86_32.
> This is to prepare for logical apicid handling update.
>
> - Cyrill Gorcunov spotted that I forgot to move declarations in ipi.h
>  under CONFIG_X86_32.  Fixed.
>
> Signed-off-by: Tejun Heo <tj@...nel.org>
> Reviewed-by: Pekka Enberg <penberg@...nel.org>
> Reviewed-by: Cyrill Gorcunov <gorcunov@...il.com>
> ---
>  arch/x86/include/asm/ipi.h |    8 ++++----
>  arch/x86/kernel/apic/ipi.c |    4 ++--
>  2 files changed, 6 insertions(+), 6 deletions(-)
>
> diff --git a/arch/x86/include/asm/ipi.h b/arch/x86/include/asm/ipi.h
> index 0b72282..615fa90 100644
> --- a/arch/x86/include/asm/ipi.h
> +++ b/arch/x86/include/asm/ipi.h
> @@ -123,10 +123,6 @@ extern void default_send_IPI_mask_sequence_phys(const struct cpumask *mask,
>                                                 int vector);
>  extern void default_send_IPI_mask_allbutself_phys(const struct cpumask *mask,
>                                                         int vector);
> -extern void default_send_IPI_mask_sequence_logical(const struct cpumask *mask,
> -                                                        int vector);
> -extern void default_send_IPI_mask_allbutself_logical(const struct cpumask *mask,
> -                                                        int vector);
>
>  /* Avoid include hell */
>  #define NMI_VECTOR 0x02
> @@ -150,6 +146,10 @@ static inline void __default_local_send_IPI_all(int vector)
>  }
>
>  #ifdef CONFIG_X86_32
> +extern void default_send_IPI_mask_sequence_logical(const struct cpumask *mask,
> +                                                        int vector);
> +extern void default_send_IPI_mask_allbutself_logical(const struct cpumask *mask,
> +                                                        int vector);
>  extern void default_send_IPI_mask_logical(const struct cpumask *mask,
>                                                 int vector);
>  extern void default_send_IPI_allbutself(int vector);
> diff --git a/arch/x86/kernel/apic/ipi.c b/arch/x86/kernel/apic/ipi.c
> index 08385e0..5037736 100644
> --- a/arch/x86/kernel/apic/ipi.c
> +++ b/arch/x86/kernel/apic/ipi.c
> @@ -56,6 +56,8 @@ void default_send_IPI_mask_allbutself_phys(const struct cpumask *mask,
>        local_irq_restore(flags);
>  }
>
> +#ifdef CONFIG_X86_32
> +
>  void default_send_IPI_mask_sequence_logical(const struct cpumask *mask,
>                                                 int vector)
>  {
> @@ -96,8 +98,6 @@ void default_send_IPI_mask_allbutself_logical(const struct cpumask *mask,
>        local_irq_restore(flags);
>  }
>
> -#ifdef CONFIG_X86_32
> -
>  /*
>  * This is only used on smaller machines.
>  */

Acked-by: Yinghai Lu <yinghai@...nel.org>
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