linux-kernel - Re: [PATCH 2/3] cgroup: add cgroup

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Message-ID: <51340ECD.1030905@huawei.com>
Date:	Mon, 4 Mar 2013 11:02:37 +0800
From:	Li Zefan <lizefan@...wei.com>
To:	Tejun Heo <tj@...nel.org>
CC:	Al Viro <viro@...iv.linux.org.uk>,
	LKML <linux-kernel@...r.kernel.org>,
	Cgroups <cgroups@...r.kernel.org>
Subject: Re: [PATCH 2/3] cgroup: add cgroup_name() API

On 2013/3/2 4:45, Tejun Heo wrote:
> Hello, Al.
> 
> On Fri, Mar 1, 2013 at 12:39 PM, Al Viro <viro@...iv.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.

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