Re: [PATCH] Show version information for built-in modules in sysfs

[Alexey Dobriyan]

On Thu, Dec 16, 2010 at 12:14 AM, Dmitry Torokhov <dtor@xxxxxxxxxx> wrote:
> On Wed, Dec 15, 2010 at 02:06:03PM -0800, Alexey Dobriyan wrote:
>> On Thu, Dec 16, 2010 at 12:00 AM, Dmitry Torokhov <dtor@xxxxxxxxxx> wrote:
>> > Currently only drivers that are built as modules have their versions
>> > shown in /sys/module/<module_name>/version, but this information might
>>
>> Can you create just /sys/module/x?
>> Module version info is quite useless by itself.
>
> It is as useful as in the case where driver is built as a module. I am
> just trying to unify the behavior a bit.
>
> Code-wise it is almost as cheap to add /sys/module/x/version as adding
> just the directory.

OK.

Still, people are using /sys/module/x presence as indicator of modular
built (unsurprisingly).

http://codesearch.google.com/codesearch/p?hl=en#wZuuyuB8jKQ/src/third_party/autotest/files/client/profilers/powertop/src/bluetooth.c&q=/sys/modules&sa=N&cd=3&ct=rc&l=105
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