linux-kernel - Re: [PATCH] ANDROID: binder: rename parameter to resolve name collision.

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Date:   Thu, 31 May 2018 11:15:12 +0800
From:   kuangrufan@...to.com
To:     Todd Kjos <tkjos@...gle.com>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Arve Hjønnevåg <arve@...roid.com>,
        Todd Kjos <tkjos@...roid.com>,
        Martijn Coenen <maco@...roid.com>,
        "open list:ANDROID DRIVERS" <devel@...verdev.osuosl.org>
Subject: Re: [PATCH] ANDROID: binder: rename parameter to resolve name
 collision.

> Why is this needed? These don't collide in the namespace:
Sorry, I check it again, you’re right. my bad.

PS:
I need to change the binder API between 32bit & 64bit dynamically.
So I was trying to compile binder as a “.ko”. I compiled the 2
files into the same kernel module, which causes problem.

Best Regards,

> 在 2018年5月30日，下午11:54，Todd Kjos <tkjos@...gle.com> 写道：
> 
> Why is this needed? These don't collide in the namespace:
> 
> /sys/module/binder/parameters/debug_mask
> 
> and
> 
> /sys/module/binder_alloc/parameters/debug_mask.
> 
> On Tue, May 29, 2018 at 9:58 PM <kuangrufan@...to.com> wrote:
> From: Kuang Rufan <kuangrufan@...to.com>
> 
> both bind.c & binder_alloc.c define the same kernel parameter 'debug_mask',
> rename the one in binder_alloc.c to 'alloc_debug_mask'.
> 
> Signed-off-by: Kuang Rufan <kuangrufan@...to.com>
> ---
>  drivers/android/binder_alloc.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/android/binder_alloc.c b/drivers/android/binder_alloc.c
> index 5a426c877dfb..3850dab493d4 100644
> --- a/drivers/android/binder_alloc.c
> +++ b/drivers/android/binder_alloc.c
> @@ -42,7 +42,7 @@ enum {
>  };
>  static uint32_t binder_alloc_debug_mask;
> 
> -module_param_named(debug_mask, binder_alloc_debug_mask,
> +module_param_named(alloc_debug_mask, binder_alloc_debug_mask,
>                    uint, 0644);
> 
>  #define binder_alloc_debug(mask, x...) \
> -- 
> 2.15.1 (Apple Git-101)
>