Subject: Re: [PATCH] powerpc/xics: Properly set Edge/Level type and enable resend

From: Benjamin Herrenschmidt <[email-masked]>
Date: Thu, 04 Aug 2016 19:41:35 +1000

On Thu, 2016-08-04 at 14:40 +1000, Michael Ellerman wrote:
> > Finally now that edge interrupts are properly identified, we can enable
> > CONFIG_HARDIRQS_SW_RESEND which will make the core re-send them if
> > they occur while masked, which some drivers rely upon.
> >
> > This fixes issues with lost interrupts on some Mellanox adapters.
> >
> > > Signed-off-by: Benjamin Herrenschmidt <[email-masked]>
> 
> Broken since forever?
> 
> Cc stable?

Broken since forever but I want a bit more testing before that goes to
stable. Some drivers like Mellanox had a workaround but they want to
remove it.

Cheers,
Ben.