linux-kernel - Re: [PATCH v4 3/6] staging: android: binder: fix BINDER_SET_MAX

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Message-ID: <CAMP5XgeBsr63tcHxoMb2D5dJPuetyLnxNVi8_2V0FM69+AwFbQ@mail.gmail.com>
Date:	Fri, 31 May 2013 16:17:34 -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 v4 3/6] staging: android: binder: fix BINDER_SET_MAX_THREADS
 declaration

On Wed, May 22, 2013 at 3:12 AM, Serban Constantinescu
<serban.constantinescu@....com> wrote:
> This change will fix the BINDER_SET_MAX_THREADS ioctl to use __u32
> instead of size_t for setting the max threads. Thus using the same
> handler for 32 and 64bit kernels.
>
> This value is stored internally in struct binder_proc and set to 15
> on open_binder() in the libbinder API(thus no need for a 64bit size_t
> on 64bit platforms).
>
> The change does not affect existing 32bit ABI.
>
> Signed-off-by: Serban Constantinescu <serban.constantinescu@....com>
> ---
>  drivers/staging/android/binder.h |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/staging/android/binder.h b/drivers/staging/android/binder.h
> index 2f94d16..1761541 100644
> --- a/drivers/staging/android/binder.h
> +++ b/drivers/staging/android/binder.h
> @@ -86,7 +86,7 @@ struct binder_version {
>
>  #define BINDER_WRITE_READ              _IOWR('b', 1, struct binder_write_read)
>  #define        BINDER_SET_IDLE_TIMEOUT         _IOW('b', 3, __s64)
> -#define        BINDER_SET_MAX_THREADS          _IOW('b', 5, size_t)
> +#define        BINDER_SET_MAX_THREADS          _IOW('b', 5, __u32)
>  #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)
> --
> 1.7.9.5
>

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

--
Arve Hjønnevåg
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