Re: [PATCH 1/2] kernel: set taint flag 'L' at any kind of lockup

From: Thomas Gleixner
Date: Thu Jan 16 2020 - 06:20:00 EST


Konstantin Khlebnikov <khlebnikov@xxxxxxxxxxxxxx> writes:
> Any lockup or stall notifies about unexpected lack of progress.
> It's better to know about them for further problem investigations.
>
> Right now only softlockup has own taint flag. Let's generalize it.
>
> This patch renames TAINT_SOFTLOCKUP into TAINT_LOCKUP at sets it for:

Please search 'This patch' in Documentation/process/submitting-patches.rst

> - softlockup
> - hardlockup
> - RCU stalls
> - stuck in workqueues
> - detected task hung

This does too many things at once and wants to be split in pieces:

1) Change the TAINT flag and update documentation

2) Add the tainting to the places which are not yet covered

Thanks,

tglx