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From: Greg KH <gregkh@suse.de>
To: "Serge E. Hallyn" <serue@us.ibm.com>
Cc: Tejun Heo <tj@kernel.org>,
	"Eric W. Biederman" <ebiederm@xmission.com>,
	bcrl@lhnet.ca, benjamin.thery@bull.net, cornelia.huck@de.ibm.com,
	eric.dumazet@gmail.com, kay.sievers@vrfy.org,
	netdev@vger.kernel.org
Subject: Re: patch sysfs-implement-sysfs-tagged-directory-support.patch added to gregkh-2.6 tree
Date: Fri, 30 Apr 2010 08:58:45 -0700	[thread overview]
Message-ID: <20100430155845.GA6987@suse.de> (raw)
In-Reply-To: <20100430154320.GC13977@us.ibm.com>

On Fri, Apr 30, 2010 at 10:43:21AM -0500, Serge E. Hallyn wrote:
> Quoting Tejun Heo (tj@kernel.org):
> > Hello,
> > 
> > On 04/30/2010 04:29 PM, Serge E. Hallyn wrote:
> > > Hmm, but looking back over the previous thread (Mar 31) I guess you
> > > mean more in-line comments around the callbacks, presumably things
> > > like class_dir_child_ns_type() and struct kobj_ns_type_operations
> > > members?
> > 
> > In-line.  What they're, how they're supposed to be used, which calling
> > context is expected, what can be returned and so on.
> > 
> > > It sounds like what you'd really like is to have any explicit
> > > mention to namespaces pulled out of drivers/base (layering as you
> > > keep saying)?  But will there be a use for this outside of
> > > namespaces?  Does trying to anticipate that fall into the category
> > > of over-abstraction?
> > 
> > I wouldn't mind limited amount of layering exceptions as long as
> > they're clearly documented.  What I'm primarily worried about is not
> > the possibility of other users but more the obfuscation of the whole
> > sysfs-kobject-driver model thing which is already overly abstracted
> > and obfuscated (at least it seems to me that way).
> > 
> > NS needs tagged support in the driver model which in itself is fine
> > and I also understand that from someone who's primarily working on NS,
> > adding a bit on top of the whole thing wouldn't seem like much of a
> > problem.  To me it seems like worsening a problem which is already
> > pretty bad.  I hope you could understand my POV too.
> 
> I do.  I can take a stab monday at pushing a cloned version of Eric's
> tree with comments added, if Eric doesn't have time.  (Or a patch on
> top of Greg's tree)

On top of Greg's tree please :)

thanks,

greg k-h

  reply	other threads:[~2010-04-30 16:47 UTC|newest]

Thread overview: 82+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-03-30 18:30 [PATCH 0/6] tagged sysfs support Eric W. Biederman
2010-03-30 18:31 ` [PATCH 1/6] sysfs: Basic support for multiple super blocks Eric W. Biederman
2010-03-30 19:23   ` Eric Dumazet
2010-03-30 23:50     ` [PATCH 7/6] sysfs: Remove double free sysfs_get_sb Eric W. Biederman
2010-03-31  5:01   ` [PATCH 1/6] sysfs: Basic support for multiple super blocks Serge E. Hallyn
2010-03-31  5:01     ` Serge E. Hallyn
2010-03-31  5:41   ` Tejun Heo
2010-03-31  5:51     ` Eric W. Biederman
2010-03-31 13:47       ` Serge E. Hallyn
2010-03-31 14:02         ` Eric W. Biederman
2010-04-05  7:45       ` Tejun Heo
2010-04-29 20:29   ` patch sysfs-basic-support-for-multiple-super-blocks.patch added to gregkh-2.6 tree gregkh
2010-03-30 18:31 ` [PATCH 2/6] kobj: Add basic infrastructure for dealing with namespaces Eric W. Biederman
2010-04-29 20:29   ` patch kobj-add-basic-infrastructure-for-dealing-with-namespaces.patch added to gregkh-2.6 tree gregkh
2010-03-30 18:31 ` [PATCH 3/6] sysfs: Implement sysfs tagged directory support Eric W. Biederman
2010-03-31  2:43   ` Serge E. Hallyn
2010-03-31  3:38     ` Eric W. Biederman
2010-03-31  4:02       ` Serge E. Hallyn
2010-03-31  4:23         ` Eric W. Biederman
2010-03-31  4:53           ` Serge E. Hallyn
2010-03-31  6:49   ` Tejun Heo
2010-03-31  7:43     ` Eric W. Biederman
2010-03-31  8:17       ` Tejun Heo
2010-03-31  8:22         ` Tejun Heo
2010-03-31  9:39           ` Eric W. Biederman
2010-04-05  8:17             ` Tejun Heo
2010-04-29 20:29   ` patch sysfs-implement-sysfs-tagged-directory-support.patch added to gregkh-2.6 tree gregkh
2010-04-30  4:18     ` Tejun Heo
2010-04-30  4:45       ` Greg KH
2010-04-30  5:24         ` Eric W. Biederman
2010-04-30  5:37           ` Tejun Heo
2010-04-30  6:12             ` Tejun Heo
2010-04-30 14:29             ` Serge E. Hallyn
2010-04-30 15:22               ` Tejun Heo
2010-04-30 15:43                 ` Serge E. Hallyn
2010-04-30 15:58                   ` Greg KH [this message]
2010-03-30 18:31 ` [PATCH 4/6] sysfs: Add support for tagged directories with untagged members Eric W. Biederman
2010-04-29 20:29   ` patch sysfs-add-support-for-tagged-directories-with-untagged-members.patch added to gregkh-2.6 tree gregkh
2010-03-30 18:31 ` [PATCH 5/6] sysfs: Implement sysfs_delete_link Eric W. Biederman
2010-04-29 20:29   ` patch sysfs-implement-sysfs_delete_link.patch added to gregkh-2.6 tree gregkh
2010-03-30 18:31 ` [PATCH 6/6] driver core: Implement ns directory support for device classes Eric W. Biederman
2010-04-29 20:29   ` patch driver-core-implement-ns-directory-support-for-device-classes.patch added to gregkh-2.6 tree gregkh
2010-03-30 18:53 ` [PATCH 0/6] tagged sysfs support Kay Sievers
2010-03-30 23:04   ` Eric W. Biederman
2010-03-31  5:51     ` Kay Sievers
2010-03-31  6:25       ` Tejun Heo
2010-03-31  6:52       ` Eric W. Biederman
2010-04-03  0:58       ` Ben Hutchings
2010-04-03  8:35         ` Kay Sievers
2010-04-03 16:05           ` Ben Hutchings
2010-04-03 16:35             ` Kay Sievers
2010-03-31 17:21 ` Serge E. Hallyn
2010-03-31 18:09   ` Eric W. Biederman
2010-05-05  0:35 ` [PATCH 0/6] netns support in the kobject layer Eric W. Biederman
2010-05-06 20:04   ` Greg KH
2010-05-16  6:26     ` David Miller
2010-05-17 18:11       ` Greg KH
2010-05-17 20:58         ` Eric W. Biederman
2010-05-17 21:03           ` Greg KH
2010-05-17 22:37             ` Eric W. Biederman
2010-05-17 22:54               ` Greg KH
2010-05-17 23:48             ` David Miller
2010-05-18  4:08               ` Greg KH
2010-05-18  4:21                 ` David Miller
2010-05-05  0:36 ` [PATCH 1/6] kobject: Send hotplug events in all network namespaces Eric W. Biederman
2010-05-20 18:10   ` patch kobject-send-hotplug-events-in-all-network-namespaces.patch added to gregkh-2.6 tree gregkh
2010-05-05  0:36 ` [PATCH 2/6] netns: Teach network device kobjects which namespace they are in Eric W. Biederman
2010-05-05 15:17   ` Serge E. Hallyn
2010-05-05 19:56     ` Eric W. Biederman
2010-05-05 22:01       ` Serge E. Hallyn
2010-05-17  4:59         ` [PATCH 7/6] net/sysfs: Fix the bitrot in network device kobject namespace support Eric W. Biederman
2010-05-17  5:07           ` David Miller
2010-05-20 18:10   ` patch netns-teach-network-device-kobjects-which-namespace-they-are-in.patch added to gregkh-2.6 tree gregkh
2010-05-05  0:36 ` [PATCH 3/6] netlink: Implment netlink_broadcast_filtered Eric W. Biederman
2010-05-20 18:10   ` patch netlink-implment-netlink_broadcast_filtered.patch added to gregkh-2.6 tree gregkh
2010-05-05  0:36 ` [PATCH 4/6] kobj: Send hotplug events in the proper namespace Eric W. Biederman
2010-05-20 18:10   ` patch kobj-send-hotplug-events-in-the-proper-namespace.patch added to gregkh-2.6 tree gregkh
2010-05-05  0:36 ` [PATCH 5/6] hotplug: netns aware uevent_helper Eric W. Biederman
2010-05-20 18:10   ` patch hotplug-netns-aware-uevent_helper.patch added to gregkh-2.6 tree gregkh
2010-05-05  0:36 ` [PATCH 6/6] net: Expose all network devices in a namespaces in sysfs Eric W. Biederman
2010-05-20 18:10   ` patch net-expose-all-network-devices-in-a-namespaces-in-sysfs.patch added to gregkh-2.6 tree gregkh
2010-05-20 17:47 ` [PATCH 0/6] tagged sysfs support Greg KH

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