linux-kernel - Re: [PATCH] ahci: Changing two module params with static and __read

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Date:	Tue, 17 Sep 2013 09:24:24 -0700
From:	Joe Perches <joe@...ches.com>
To:	Chuansheng Liu <chuansheng.liu@...el.com>
Cc:	tj@...nel.org, linux-ide@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ahci: Changing two module params with static and
 __read_mostly

On Wed, 2013-09-18 at 00:48 +0800, Chuansheng Liu wrote:
> Here module parameters ahci_em_messages and devslp_idle_timeout can
> be set as static and __read_mostly.
> 
> Signed-off-by: Liu, Chuansheng <chuansheng.liu@...el.com>
> ---
>  drivers/ata/libahci.c |    5 +++--
>  1 file changed, 3 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/ata/libahci.c b/drivers/ata/libahci.c
[]
> @@ -189,14 +189,15 @@ struct ata_port_operations ahci_pmp_retry_srst_ops = {
>  };
>  EXPORT_SYMBOL_GPL(ahci_pmp_retry_srst_ops);
>  
> -int ahci_em_messages = 1;
> +static int ahci_em_messages __read_mostly = 1;

This one could also be converted to
static bool ahci_em_messages __read_mostly = true;


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