From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Michael Ellerman <mpe@ellerman.id.au>, linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH] powerpc/xics: Properly set Edge/Level type and enable resend
Date: Thu, 04 Aug 2016 19:41:35 +1000 [thread overview]
Message-ID: <1470303695.12584.142.camel@kernel.crashing.org> (raw)
In-Reply-To: <87twf1f8pj.fsf@concordia.ellerman.id.au>
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 <benh@kernel.crashing.org>
>
> 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.
next prev parent reply other threads:[~2016-08-04 9:41 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-08-02 2:39 [PATCH] powerpc/xics: Properly set Edge/Level type and enable resend Benjamin Herrenschmidt
2016-08-04 4:40 ` Michael Ellerman
2016-08-04 9:41 ` Benjamin Herrenschmidt [this message]
2016-08-05 6:56 ` Michael Ellerman
2016-08-09 11:26 ` Michael Ellerman
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