Re: possible deadlock in generic_file_write_iter (2)

From: Andrew Morton
Date: Wed Dec 06 2017 - 19:32:31 EST


On Wed, 6 Dec 2017 14:05:47 +0900 Byungchul Park <byungchul.park@xxxxxxx> wrote:

> > What is cross-release? Is it something new? Should we always enable
> > crossrelease_fullstack during testing?
>
> Hello Dmitry,
>
> Yes, it's new one making lockdep track wait_for_completion() as well.
>
> And we should enable crossrelease_fullstack if you don't care system
> slowdown but testing.

We should update Documentation/process/submit-checklist.rst section 12.
But that list doesn't even mention CONFIG_LOCKDEP so a bit of
maintenance work will be needed there..