Re: [PATCH] event/sw: fix events mis-identified as needing reorder

[Thomas Monjalon <thomas@monjalon.net>]

14/04/2017 17:28, Van Haaren, Harry:
> From: Richardson, Bruce
> Sent: Friday, April 14, 2017 4:18 PM
> > 
> > When taking events from a port, we checked the history list to check if
> > the
> > event needed to be put back in order i.e. originally came from a reordered
> > queue type. The check for reordering involved checking if the reorder
> > buffer entry pointer was null. However, after that pointer was used it was
> > never cleared to null again.
> > 
> > This caused problems when we had mixed reordered and atomic or parallel
> > events, as the events from the latter two queue types were misidentified
> > as
> > needing reordering. This let in some cases to crashes, but mostly led to
> > dropping events, and then application lock-up.
> > 
> > Fixes: 617995dfc5b2 ("event/sw: add scheduling logic")
> > 
> > Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
> 
> +CC Thomas, would you pick this directly to master please, as no
> next-eventdev will be merged, thanks.
> 
> Acked-by: Harry van Haaren <harry.van.haaren@intel.com>

Applied, thanks