linux-kernel - Re: [PATCH] staging : android : uapi : fix coding style

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Date:	Wed, 16 Apr 2014 09:36:13 -0700
From:	John Stultz <john.stultz@...aro.org>
To:	Joe Perches <joe@...ches.com>, Seunghun Lee <waydi1@...il.com>
CC:	greg@...ah.com, swetland@...gle.com, devel@...verdev.osuosl.org,
	linux-kernel@...r.kernel.org, Colin Cross <ccross@...roid.com>
Subject: Re: [PATCH] staging : android : uapi : fix coding style

On 04/16/2014 07:39 AM, Joe Perches wrote:
> On Wed, 2014-04-16 at 23:27 +0900, Seunghun Lee wrote:
>> This patch fix checkpatch.pl warnings and errors.
> []
>> diff --git a/drivers/staging/android/uapi/binder.h b/drivers/staging/android/uapi/binder.h
> []
>> @@ -169,7 +169,7 @@ struct binder_ptr_cookie {
>>  struct binder_handle_cookie {
>>  	__u32 handle;
>>  	binder_uintptr_t cookie;
>> -} __attribute__((packed));
>> +} __packed;
> If this .h file is meant to be a user-space #include,
> then it should not use the kernel specific __packed
> but keep the __attribute__((packed))

Agreed.

> It does use __u32 though and that's generally
> kernel specific.

Hmm. Theres a ton of __u32 usage in include/uapi/*  as well as typedefs
for it too.
include/uapi/asm-generic/int-l64.h:typedef unsigned int __u32;
include/uapi/asm-generic/int-ll64.h:typedef unsigned int __u32;

> John?  Does any of these binder uapi files need a
> bit more sorting out?
I suspect this is ok, but Cc'ing Colin to give him a heads up, as it
would probably cause trouble w/ their libc headers first.


thanks
-john
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