linux-kernel - Re: [PATCH RT 1/1] remoteproc: Prevent schedule while atomic

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Message-ID: <20170322110116.4b14dafd@vmware.local.home>
Date:   Wed, 22 Mar 2017 11:01:16 -0700
From:   Steven Rostedt <rostedt@...dmis.org>
To:     Julia Cartwright <julia@...com>
Cc:     Lionel Debieve <lionel.debieve@...com>,
        <linux-rt-users@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <bigeasy@...utronix.de>, <tglx@...utronix.de>
Subject: Re: [PATCH RT 1/1] remoteproc: Prevent schedule while atomic

On Wed, 22 Mar 2017 12:37:59 -0500
Julia Cartwright <julia@...com> wrote:

> Which kernel were you testing on, here?  From what I can tell, this
> should have been fixed with Thomas's commit:
> 
>    2a1d3ab8986d ("genirq: Handle force threading of irqs with primary
> and thread handler")

Thanks Julia for looking into this. I just looked at the code, and saw
that it does very little with the lock held, and was fine with the
conversion. But if that interrupt handler should be in a thread, we
should see if that's the issue first.

> 
> Which landed in 4.4.  It forces the primary handler to be threaded as
> well.
> 

Lionel,

Can you check if this is an issue with 4.4 too?

-- Steve