linux-kernel - Re: [PATCH v2 2/7] staging: android: binder: replace IOCTL types with user-exportable types

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Message-ID: <CAMP5XgfRqJaNbQWgdDyWeR+dg+RzU7+NRBav9kwQ6L3cj4dx8Q@mail.gmail.com>
Date:	Tue, 9 Apr 2013 17:17:46 -0700
From:	Arve Hjønnevåg <arve@...roid.com>
To:	Serban Constantinescu <serban.constantinescu@....com>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	Greg KH <gregkh@...uxfoundation.org>,
	Android Kernel Team <kernel-team@...roid.com>,
	John Stultz <john.stultz@...aro.org>,
	Dave Butcher <Dave.Butcher@....com>
Subject: Re: [PATCH v2 2/7] staging: android: binder: replace IOCTL types with
 user-exportable types

On Tue, Apr 9, 2013 at 3:00 AM, Serban Constantinescu
<serban.constantinescu@....com> wrote:
> This patch modifies the IOCTL macros to use user-exportable data types,
> as they are the referred kernel types for the user/kernel interface.
>
> The patch does not change in any way the functionality of the binder driver.
>
> Signed-off-by: Serban Constantinescu <serban.constantinescu@....com>

Acked-by: Arve Hjønnevåg <arve@...roid.com>

> ---
>  drivers/staging/android/binder.h |    8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/staging/android/binder.h b/drivers/staging/android/binder.h
> index f240464..dbe81ce 100644
> --- a/drivers/staging/android/binder.h
> +++ b/drivers/staging/android/binder.h
> @@ -85,11 +85,11 @@ struct binder_version {
>  #define BINDER_CURRENT_PROTOCOL_VERSION 7
>
>  #define BINDER_WRITE_READ              _IOWR('b', 1, struct binder_write_read)
> -#define        BINDER_SET_IDLE_TIMEOUT         _IOW('b', 3, int64_t)
> +#define        BINDER_SET_IDLE_TIMEOUT         _IOW('b', 3, __s64)
>  #define        BINDER_SET_MAX_THREADS          _IOW('b', 5, size_t)
> -#define        BINDER_SET_IDLE_PRIORITY        _IOW('b', 6, int)
> -#define        BINDER_SET_CONTEXT_MGR          _IOW('b', 7, int)
> -#define        BINDER_THREAD_EXIT              _IOW('b', 8, int)
> +#define        BINDER_SET_IDLE_PRIORITY        _IOW('b', 6, __s32)
> +#define        BINDER_SET_CONTEXT_MGR          _IOW('b', 7, __s32)
> +#define        BINDER_THREAD_EXIT              _IOW('b', 8, __s32)

BINDER_SET_CONTEXT_MGR and BINDER_THREAD_EXIT don't actually take an argument.

>  #define BINDER_VERSION                 _IOWR('b', 9, struct binder_version)
>
>  /*
> --
> 1.7.9.5
>



--
Arve Hjønnevåg
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