Am 25.07.2022 um 09:38 hat Emanuele Giuseppe Esposito geschrieben:
> With "intact" we mean that all job.h functions implicitly
> take the lock. Therefore API callers are unmodified.
>
> This means that:
> - many static functions that will be always called with job lock held
> become _locked, and call _locked functions
> - all public functions take the lock internally if needed, and call _locked
> functions
> - all public functions called internally by other functions in job.c will
> have a
> _locked counterpart (sometimes public), to avoid deadlocks (job lock
> already taken).
> These functions are not used for now.
> - some public functions called only from exernal files (not job.c) do not
> have _locked() counterpart and take the lock inside. Others won't need
> the lock at all because use fields only set at initialization and
> never modified.
>
> job_{lock/unlock} is independent from real_job_{lock/unlock}.
>
> Note: at this stage, job_{lock/unlock} and job lock guard macros
> are *nop*
>
> Reviewed-by: Vladimir Sementsov-Ogievskiy <[email protected]>
> Signed-off-by: Emanuele Giuseppe Esposito <[email protected]>
Would be nice to fix the access Vladimir found, but I think it's not
actually a bug because we know that nobody else is going to write to
job->ret. So with or without that fix:
Reviewed-by: Kevin Wolf <[email protected]>
