linux-rt-users.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Steven Rostedt <rostedt@goodmis.org>
To: Julia Cartwright <julia@ni.com>
Cc: Lionel Debieve <lionel.debieve@st.com>,
	<linux-rt-users@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
	<bigeasy@linutronix.de>, <tglx@linutronix.de>
Subject: Re: [PATCH RT 1/1] remoteproc: Prevent schedule while atomic
Date: Wed, 22 Mar 2017 11:01:16 -0700	[thread overview]
Message-ID: <20170322110116.4b14dafd@vmware.local.home> (raw)
In-Reply-To: <20170322173759.GK10423@jcartwri.amer.corp.natinst.com>

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

  reply	other threads:[~2017-03-22 18:01 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-03-22 15:18 [PATCH RT 1/1] remoteproc: Prevent schedule while atomic Lionel Debieve
2017-03-22 16:05 ` Steven Rostedt
2017-03-22 17:15   ` Lionel DEBIEVE
2017-03-29 16:06   ` Sebastian Andrzej Siewior
2017-03-30  7:54     ` Lee Jones
2017-04-04  8:33       ` Lionel DEBIEVE
2017-03-22 17:37 ` Julia Cartwright
2017-03-22 18:01   ` Steven Rostedt [this message]
2017-03-22 18:30     ` Grygorii Strashko
2017-03-22 18:47       ` Julia Cartwright
2017-03-23  8:28         ` Lionel DEBIEVE
2017-03-23 10:26           ` Lee Jones
2017-03-23 20:51             ` Julia Cartwright
2017-03-28  9:31               ` Lee Jones
2017-03-24  8:38         ` Thomas Gleixner

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20170322110116.4b14dafd@vmware.local.home \
    --to=rostedt@goodmis.org \
    --cc=bigeasy@linutronix.de \
    --cc=julia@ni.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-rt-users@vger.kernel.org \
    --cc=lionel.debieve@st.com \
    --cc=tglx@linutronix.de \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).