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SubjectRe: [PATCH] x86: sysfs - kill owner field from attribute
On Tue, 9 Sep 2008 19:11:02 -0400 "Parag Warudkar" <> wrote:

> Tejun's commit 7b595756ec1f49e0049a9e01a1298d53a7faaa15 made sysfs
> attribute->owner unnecessary.
> But the field was left in the structure to ease the merge. It's been
> over a year since that change and it is now time to start killing
> attribute->owner along with its users - one arch at a time!
> This patch is attempt #1 to get rid of attribute->owner only for
> CONFIG_X86_64 or CONFIG_X86_32 .
> We will deal with other arches later on as and when possible - avr32
> will be the next since that is something I can test.
> Compile (make allyesconfig / make allmodconfig / custom config) and boot tested.
> I would prefer to have this in -mm or one of the other trees for some
> time before hitting mainline just to make sure there are no issues.

I'm about to send this in to Linus.

> --- a/include/linux/sysfs.h
> +++ b/include/linux/sysfs.h
> @@ -21,12 +21,15 @@ struct kobject;
> struct module;
> /* FIXME
> - * The *owner field is no longer used, but leave around
> - * until the tree gets cleaned up fully.
> + * The *owner field is no longer used.
> + * x86 tree has been cleaned up. The owner
> + * attribute is still left for other arches.
> */
> struct attribute {
> const char *name;
> +#if !defined(CONFIG_X86_64) && !defined(CONFIG_X86_32)
> struct module *owner;
> +#endif
> mode_t mode;
> };

But this part was dropped. I did this a while ago because people kept
on adding new code to linux-next which referenced module.owner and my
tree kept on breaking.

A good time to finish this off would be immediately after 2.6.28-rc1 is
released. Please do another pass over the whole tree and send a single
patch which fixes up those recently-introdced usages of module.owner
and which also adds the above #ifndef.


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