Re: [RFC] fixes for hangs and error reporting in CDC_WDM

[Greg KH <greg@kroah.com>]

On Sat, Sep 26, 2020 at 12:20:57AM +0900, Tetsuo Handa wrote:
> On 2020/09/26 0:11, Greg KH wrote:
> > On Tue, Sep 22, 2020 at 01:21:19PM +0200, Oliver Neukum wrote:
> >> Stress testing has shown that CDC-WDM has some issues with hangs
> >> and error reporting
> >>
> >> 1. wakeups are not correctly handled in multhreaded environments
> >> 2. unresponsive hardware is not handled
> >> 3. errors are not correctly reported. This needs flush() to be
> >> implemented.
> >>
> >> This version makes wdm_flush() use interruptible sleep.
> >>
> >> For easier review all squashed together:
> >>
> > 
> > I have like 3 or 4 different "RFC" series here from you for this driver,
> > which one is the "newest"?
> 
> https://lkml.kernel.org/r/20200923092136.14824-1-oneukum@suse.com
> 
> is the newest series from Oliver. But
> 
> https://lkml.kernel.org/r/b27841ab-a88c-13e2-a66f-6df7af1f46b4@i-love.sakura.ne.jp
> 
> is the squashed version with updated comments and deduplicated code.
> 
> > 
> > And can you send a series that isn't RFC so that I can know you feel it
> > is good enough to be merged?
> 
> Do you want this fix as a series of patches (the former link)?
> Since I think that the changeset should be atomically applied, I posted the latter link.

A single patch would be good to send to me again, burried at the end of
a long thread is hard to dig out.

Also with proper authorship is needed, did Oliver write this, or did
you?

There is the co-developed-by: tag, which looks like it might be relevant
here, can you do that?

thanks,

greg k-h