Re: module: sysfs - add 'uevent' file to allow coldplug

From: Kay Sievers
Date: Thu Jun 30 2011 - 23:08:13 EST


On Thu, Jun 23, 2011 at 13:24, Kay Sievers <kay.sievers@xxxxxxxx> wrote:
> On Thu, Jun 23, 2011 at 02:27, Rusty Russell <rusty@xxxxxxxxxxxxxxx> wrote:
>> On Wed, 22 Jun 2011 12:17:49 +0200, Kay Sievers <kay.sievers@xxxxxxxx> wrote:
>>> On Wed, Jun 22, 2011 at 04:00, Rusty Russell <rusty@xxxxxxxxxxxxxxx> wrote:
>
>>> > Now we've got that sorted, is there a reason why you changed all the
>>> > signatures rather than just using mod->mkobj in store_uevent()?
>>>
>>> Because we should be able to use the same 'struct module_attribute'
>>> for built-in modules and for loaded modules at the same time. The
>>> current 'struct module_attribute' has 'struct module' references, but
>>> 'struct module' will never exist for built-in modules.
>>>
>>> 'Struct module_kobject' has nice back-pointer to 'struct module', so
>>> this was the simplest to do, and looks still fine, I thought.
>>
>> Yes, it's weird. ÂThe only reason it currently works is because we don't
>> use the mod parameter in param_attr_show and param_attr_store; it's NULL
>> for built-in modules.
>>
>> I'd prefer that patch first, I think: it's a sensible cleanup.
>
> You want the patch split up in two? You want to remove the mod
> parameter somehow?

Can we get these 20 lines of code sorted out please? :)

Kay
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