linux-kernel - Re: [PATCH 2/2] IB/hfi1: Handle packets in the theaded handler only

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Message-ID: <20171011191448.GG3503@kernel.org>
Date:   Wed, 11 Oct 2017 16:14:48 -0300
From:   Arnaldo Carvalho de Melo <acme@...nel.org>
To:     Sebastian Andrzej Siewior <bigeasy@...utronix.de>
Cc:     Dennis Dalessandro <dennis.dalessandro@...el.com>,
        linux-rt-users@...r.kernel.org, linux-kernel@...r.kernel.org,
        Arnaldo Carvalho de Melo <acme@...hat.com>,
        Clark Williams <williams@...hat.com>,
        Dean Luick <dean.luick@...el.com>,
        Doug Ledford <dledford@...hat.com>,
        Julia Cartwright <julia@...com>,
        Kaike Wan <kaike.wan@...el.com>,
        Leon Romanovsky <leonro@...lanox.com>,
        linux-rdma@...r.kernel.org, Peter Zijlstra <peterz@...radead.org>,
        Sebastian Sanchez <sebastian.sanchez@...el.com>,
        Steven Rostedt <rostedt@...dmis.org>,
        Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [PATCH 2/2] IB/hfi1: Handle packets in the theaded handler only

Em Wed, Oct 11, 2017 at 04:07:45PM -0300, Arnaldo Carvalho de Melo escreveu:
> Em Wed, Oct 11, 2017 at 12:44:56PM +0200, Sebastian Andrzej Siewior escreveu:
> > On 2017-10-10 16:15:29 [-0300], Arnaldo Carvalho de Melo wrote:
> > > This may not even be needed, i.e. Sebastian Siewior said that recent
> > > rt patches already identify the way this driver uses threaded interrupts
> > > and automagically does the right thing, Sebastian?
> > > 
> > > He mentioned this in this message:
> > > 
> > > https://marc.info/?l=linux-rt-users&m=150722087514307&w=2
> > > 
> > > But I replied to Mike and don't recall getting an answer to my last
> > > question.
> > 
> > correct, since 4.1.7-rt8
> >   https://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git/commit/?h=v4.1.7-rt8-patches&id=7461758b9e982e4ea6280ce9308492e7cceda2ed
> 
> Ouch, it seems I looked at the wrong place, as patches-4.11.12-rt14
> doesn't have this one, right?
> 
> Off I go trying to make sense of this...

Ok, this was merged upstream on v4.4:

[acme@...et linux]$ git log -1 --oneline 2a1d3ab8986d1
2a1d3ab8986d genirq: Handle force threading of irqs with primary and thread handler

nevermind :-)

- Arnaldo