block_all_signals() usage in DRM

[Richard Weinberger]

Am 25.05.2015 um 18:50 schrieb Oleg Nesterov:
> AAAAOn 05/25, Richard Weinberger wrote:
>>
>> Is this functionality still in use/needed?
> 
> All I can say it doesn't work.
> 
>> Otherwise we could get rid of block_all_signals() and unpuzzle the signaling
>> code a bit. :-)
> 
> Yes. I do not even remember when I reported this the first time. Perhaps
> more than 10 years ago.
> 
> See the last attempt in 2011: https://lkml.org/lkml/2011/7/12/263
> I copied this email below.

Thank you Oleg, this makes sense.
I was actually wondering WTF this function is good for.

Thanks,
//richard