linux-kernel - Re: [PATCH] x86 msr driver: Misc cpuinit annotations

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Date:	Thu, 23 Aug 2007 15:52:56 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Satyam Sharma <satyam@...radead.org>
CC:	Andrew Morton <akpm@...ux-foundation.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] x86 msr driver: Misc cpuinit annotations

Satyam Sharma wrote:
> msr_class_cpu_callback() can be marked __cpuinit, being the notifier
> callback for a __cpuinitdata notifier_block. So can be marked
> msr_device_create() too, called only from the newly-__cpuinit
> msr_class_cpu_callback() or from __init-marked msr_init().
> 
> Signed-off-by: Satyam Sharma <satyam@...radead.org>

Acked-by: H. Peter Anvin <hpa@...or.com>

> ---
> 
>  arch/i386/kernel/msr.c |    4 ++--
>  1 files changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/i386/kernel/msr.c b/arch/i386/kernel/msr.c
> index 0c1069b..ac55d85 100644
> --- a/arch/i386/kernel/msr.c
> +++ b/arch/i386/kernel/msr.c
> @@ -135,7 +135,7 @@ static const struct file_operations msr_fops = {
>  	.open = msr_open,
>  };
>  
> -static int msr_device_create(int i)
> +static int __cpuinit msr_device_create(int i)
>  {
>  	int err = 0;
>  	struct device *dev;
> @@ -146,7 +146,7 @@ static int msr_device_create(int i)
>  	return err;
>  }
>  
> -static int msr_class_cpu_callback(struct notifier_block *nfb,
> +static int __cpuinit msr_class_cpu_callback(struct notifier_block *nfb,
>  				unsigned long action, void *hcpu)
>  {
>  	unsigned int cpu = (unsigned long)hcpu;
-
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