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Date: Mon, 4 Mar 2013 11:02:37 +0800
From: Li Zefan <lizefan@huawei.com>
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To: Tejun Heo <tj@kernel.org>
CC: Al Viro <viro@zeniv.linux.org.uk>, LKML <linux-kernel@vger.kernel.org>,
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Subject: Re: [PATCH 2/3] cgroup: add cgroup_name() API
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On 2013/3/2 4:45, Tejun Heo wrote:
> Hello, Al.
> 
> On Fri, Mar 1, 2013 at 12:39 PM, Al Viro <viro@zeniv.linux.org.uk> wrote:
>>>> Flexible array members can be statically initialized. If you wanna be
>>>> really anal about it, you can do it manually with a wrapping struct
>>>> but I don't think that would be necessary.
>>>>
>>>
>>> I didn't know this difference between flexible array and zero-size array.
>>> Thanks.
>>
>> Mind you, initializing flex array member is explicitly invalid per C99;
>> it's a GNU extension...
> 
> Yeah, that's what I meant by the "anal" part although it seems like
> c99 doesn't even allow that. Do we care tho? It seems like a logical
> feature which should show up in the standard eventually. Maybe it
> could be a problem for clang?
> 

Do we have a decision now? Please pick v4 if this GNU extension can't be used
in kernel code, otherwise v5.