From: Greg KH <greg@kroah.com>
To: Kohei KaiGai <kaigai@ak.jp.nec.com>
Cc: "Serge E. Hallyn" <serue@us.ibm.com>,
Li Zefan <lizf@cn.fujitsu.com>,
akpm@osdl.org, "Andrew G. Morgan" <morgan@kernel.org>,
jmorris@namei.org, linux-kernel@vger.kernel.org,
linux-security-module@vger.kernel.org, adobriyan@gmail.com
Subject: Re: [PATCH] exporting capability code/name pairs (try #5.1)
Date: Tue, 19 Feb 2008 08:16:10 -0800 [thread overview]
Message-ID: <20080219161610.GA3344@kroah.com> (raw)
In-Reply-To: <47B945BA.2060107@ak.jp.nec.com>
On Mon, Feb 18, 2008 at 05:45:46PM +0900, Kohei KaiGai wrote:
> Greg KH wrote:
> >>> Also, this code can be cleaned up a lot by just using the basic kobject
> >>> attributes, and not rolling your own types here.
> >> I replaced my own defined capability_attribute by kobj_attribute.
> >>
> >> It made the patch cleaned up, however, it also impossible to share a single
> >> _show() method instance, because kobj_attribute does not have any private member.
> >> Is there any reason why kobj_attribute does not have "void *private;"?
> >
> > Because no one has asked for it? :)
> >
> > Or you can just do as the example in samples/kobject/ does it, no need
> > for the void pointer as that code shows.
>
> It shows us a good example in samples/kobject.
>
> However, it is unsuitable to export the list of capabilities.
> The shared _show() method (b_show) calls strcmp() once with the name of kobject
> attribute to switch its returning string.
> If we have 34 of candidates to be returned, like the capability case, we have
> to call strcmp() 33 times in maximum.
>
> If we can have a private member in kobj_attribute, we can found the content
> to be returned in a single step.
Ok, again, just send me a patch that adds this functionality and we will
be very glad to consider it.
thnaks,
greg k-h
next prev parent reply other threads:[~2008-02-19 16:23 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-01-25 5:18 [PATCH 1/3] exporting capability code/name pairs (try 2nd) Kohei KaiGai
2008-01-25 7:32 ` Andrew G. Morgan
2008-01-25 11:41 ` Kohei KaiGai
2008-02-01 5:17 ` [PATCH 1/3] exporting capability code/name pairs (try #3) Kohei KaiGai
2008-02-04 16:21 ` Serge E. Hallyn
2008-02-06 2:27 ` Kohei KaiGai
2008-02-06 5:08 ` Serge E. Hallyn
2008-02-08 9:42 ` [PATCH] exporting capability code/name pairs (try #4) Kohei KaiGai
2008-02-08 16:48 ` Andrew G. Morgan
2008-02-12 0:56 ` Kohei KaiGai
2008-02-08 19:23 ` Alexey Dobriyan
2008-02-12 1:10 ` Kohei KaiGai
2008-02-12 21:58 ` Alexey Dobriyan
2008-02-13 8:14 ` Kohei KaiGai
2008-02-12 18:08 ` Serge E. Hallyn
2008-02-13 8:01 ` Kohei KaiGai
2008-02-15 1:38 ` [PATCH] exporting capability code/name pairs (try #5) Kohei KaiGai
2008-02-15 1:58 ` Li Zefan
2008-02-15 2:58 ` [PATCH] exporting capability code/name pairs (try #5.1) Kohei KaiGai
2008-02-15 18:38 ` Serge E. Hallyn
2008-02-15 18:50 ` Greg KH
2008-02-18 7:12 ` Kohei KaiGai
2008-02-18 7:40 ` Greg KH
2008-02-18 8:45 ` Kohei KaiGai
2008-02-19 16:16 ` Greg KH [this message]
2008-02-20 4:38 ` [PATCH] exporting capability code/name pairs (try #6) Kohei KaiGai
2008-02-20 5:02 ` Greg KH
2008-02-20 5:38 ` Kohei KaiGai
2008-02-20 5:53 ` Greg KH
2008-02-20 6:19 ` [PATCH] exporting capability code/name pairs (try #6.1) Kohei KaiGai
2008-02-20 6:16 ` Kohei KaiGai
2008-02-20 4:39 ` [PATCH] exporting capability code/name pairs (try #6) Kohei KaiGai
2008-02-20 6:16 ` [PATCH] exporting capability code/name pairs (try #6.1) Kohei KaiGai
2008-02-18 15:15 ` [PATCH] exporting capability code/name pairs (try #5.1) Serge E. Hallyn
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