Re: [PATCH] kernel: add panic_on_taint

[Qian Cai]

> On May 7, 2020, at 4:42 PM, Rafael Aquini <aquini@xxxxxxxxxx> wrote:
> 
> On Wed, May 06, 2020 at 10:50:19PM -0400, Qian Cai wrote:
>> 
>> 
>>> On May 6, 2020, at 6:28 PM, Rafael Aquini <aquini@xxxxxxxxxx> wrote:
>>> 
>>> Analogously to the introduction of panic_on_warn, this patch
>>> introduces a kernel option named panic_on_taint in order to
>>> provide a simple and generic way to stop execution and catch
>>> a coredump when the kernel gets tainted by any given taint flag.
>>> 
>>> This is useful for debugging sessions as it avoids rebuilding
>>> the kernel to explicitly add calls to panic() or BUG() into
>>> code sites that introduce the taint flags of interest.
>>> Another, perhaps less frequent, use for this option would be
>>> as a mean for assuring a security policy (in paranoid mode)
>>> case where no single taint is allowed for the running system.
>> 
>> Andrew, you can drop the patch below from -mm now because that one is now obsolete,
>> 
>> mm-slub-add-panic_on_error-to-the-debug-facilities.patch
>> 
> Please, don't drop it yet. I'll send a patch to get rid of the bits,
> once this one gets accepted, if it gets accepted.

Why do you ever want that obsolete patch even show up in linux-next to potentailly waste other people/bots time to test it and develop things on top of it?