Re: CONFIG_DEBUG_TEST_DRIVER_REMOVE needs a warning

From: Greg Kroah-Hartman
Date: Fri Oct 07 2016 - 00:05:56 EST


On Thu, Oct 06, 2016 at 04:53:20PM -0700, Laura Abbott wrote:
> On a whim, I decided to turn on CONFIG_DEBUG_TEST_DRIVER_REMOVE on
> Fedora rawhide since it sounded harmless enough. It spewed warnings
> and panicked some systems. Clearly it's doing its job
> well of finding drivers that can't handle remove properly and I
> underestimated it.

Yes, we knew it was going to find bugs, you were brave :)

> I was expecting to maybe find a driver or two.
> Can we get stronger Kconfig text indicating that this shouldn't be
> turned on lightly? I'll be turning the option off in Fedora but sending
> out reports from what was found.

Care to send a patch with the wording change you would have found better
to warn yourself not to do this?

thanks,

greg k-h