Re: [PATCH] Revert "mmc: block: don't use parameter prefix if built as module"

[Ulf Hansson]

On 12 February 2016 at 17:32, Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx> wrote:
> On Fri, Feb 12, 2016 at 11:06:03AM +0100, Ulf Hansson wrote:
>> On 11 February 2016 at 18:19, Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx> wrote:
>> > On Thu, Feb 11, 2016 at 04:54:11PM +0100, Ulf Hansson wrote:
>> >> This reverts commit 829b6962f7e3cfc06f7c5c26269fd47ad48cf503.
>> >>
>> >> Revert this change as it causes a sysfs path to change and therefore
>> >> introduces and ABI regression. More precisely Android's vold is not being
>> >> able to access /sys/module/mmcblk/parameters/perdev_minors any more, since
>> >> the path becomes changed to: "/sys/module/mmc_block/..."
>> >>
>> >> Fixes: 829b6962f7e3 ("mmc: block: don't use parameter prefix if built as
>> >> module")
>> >> Reported-by: John Stultz <john.stultz@xxxxxxxxxx>
>> >> Cc: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
>> >> Signed-off-by: Ulf Hansson <ulf.hansson@xxxxxxxxxx>
>> >
>> > Please also add a "cc: stable..." tag to the patch so it gets picked up
>> > in stable kernel releases.
>>
>> Doesn't the Fixes tag take care of that?
>
> Not at all, never rely on that, please read
> Documentation/stable_kernel_rules.txt for how to properly tag a patch
> for a stable release.
>
> Sometimes I get bored and look at patches with only a fixes: tag on them
> to see how bad the maintainer is messing up and then do their work for
> them, but that's rare these days...

That's sounds like you do this entirely manually, I doubt you have
time for that? :-)

So, isn't it quite simple to automate this thing, as all the
information you need (ideally) is to know what commit is being fixed.
Right?

Kind regards
Uffe