Re: task isolation discussion at Linux Plumbers

From	Rik van Riel <riel@redhat.com>
Newsgroups	linux.kernel
Subject	Re: task isolation discussion at Linux Plumbers
Date	2016-11-07 20:20 +0100
Message-ID	<sAXCy-7rh-31@gated-at.bofh.it> (permalink)
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On Mon, 2016-11-07 at 19:16 +0000, Will Deacon wrote:
> On Mon, Nov 07, 2016 at 02:12:13PM -0500, Rik van Riel wrote:
> > 
> > On Mon, 2016-11-07 at 19:36 +0100, Thomas Gleixner wrote:
> > > 
> > > On Mon, 7 Nov 2016, Thomas Gleixner wrote:
> > > > 
> > > > 
> > > > > 
> > > > > 
> > > > > == Missing oneshot_stopped callbacks ==
> > > > > 
> > > > > I raised the issue that various clock_event_device sources
> > > > > don't
> > > > > always support oneshot_stopped, which can cause an additional
> > > > > final interrupt to occur after the timer infrastructure
> > > > > believes
> > > > > the
> > > > > interrupt has been stopped.  I have patches to fix this for
> > > > > tile
> > > > > and
> > > > > arm64 in my patch series; Thomas volunteered to look at
> > > > > adding
> > > > > equivalent support for x86.
> > > > 
> > > > Right.
> > > 
> > > Untested patch below should fix that.
> > >  
> > 
> > That whitespace cleanup looks awesome, but I am not
> > optimistic about its chances to bring about functional
> > change.
> > 
> > What am I overlooking?
> 
> It hooks up .set_state_oneshot_stopped?

Gah, indeed. Never mind :)

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Thread

Re: task isolation discussion at Linux Plumbers Thomas Gleixner <tglx@linutronix.de> - 2016-11-07 18:00 +0100
  Re: task isolation discussion at Linux Plumbers Thomas Gleixner <tglx@linutronix.de> - 2016-11-07 19:50 +0100
    Re: task isolation discussion at Linux Plumbers Rik van Riel <riel@redhat.com> - 2016-11-07 20:20 +0100
    Re: task isolation discussion at Linux Plumbers Will Deacon <will.deacon@arm.com> - 2016-11-07 20:20 +0100
    Re: task isolation discussion at Linux Plumbers Rik van Riel <riel@redhat.com> - 2016-11-07 20:30 +0100

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