Re: Fix false positive by LOCKDEP_CROSSRELEASE

Byungchul Park
2017-10-19T01:57:18Z

On Wed, Oct 18, 2017 at 02:29:56PM +0000, Bart Van Assche wrote:
> On Wed, 2017-10-18 at 18:38 +0900, Byungchul Park wrote:
> > Several false positives were reported, so I tried to fix them.
> >
> > It would be appreciated if you tell me if it works as expected, or let
> > me know your opinion.
>
> What I have been wondering about is whether the crosslock checking makes
> sense from a conceptual point of view. I tried to find documentation for the
> crosslock checking in Documentation/locking/lockdep-design.txt but
> couldn't find a description of the crosslock checking. Shouldn't it be
> documented somewhere what the crosslock checks do and what the theory is
> behind these checks?

Documentation/locking/crossrelease.txt would be helpful.