On Mon, 2007-10-08 at 10:41 -0400, Steven Rostedt wrote:
> --
> On Mon, 8 Oct 2007, Gregory Haskins wrote:
> >
> > Hi Steve,
> > What you describe is exactly what I did. The IRQF_NODELAY handler
> > just minimally checks to see if the character is a sysrq related one (or
> > KDB, if you have the
--
On Mon, 8 Oct 2007, Gregory Haskins wrote:
>
> Hi Steve,
> What you describe is exactly what I did. The IRQF_NODELAY handler
> just minimally checks to see if the character is a sysrq related one (or
> KDB, if you have the KDB patches applied). If it is not, it puts the
> character into a r
On Mon, 2007-10-08 at 10:10 -0400, Steven Rostedt wrote:
> This issue has hit me enough times where I've played with a few other
> ideas. I just haven't had the time to finish them. The main problem is if
> the system locks up somewhere we have a lock held that keeps us from
> scheduling. Once tha
--
On Fri, 5 Oct 2007, Thomas Gleixner wrote:
> On Fri, 5 Oct 2007, Gregory Haskins wrote:
> > This series may help debugging certain circumstances where the serial
> > console is unreponsive (e.g. RT51+ spinner, or scheduler problem). It
> > changes
> > the serial8250 driver to use IRQF_NODELA
On Fri, 2007-10-05 at 18:41 +0200, Thomas Gleixner wrote:
> On Fri, 5 Oct 2007, Gregory Haskins wrote:
> > This series may help debugging certain circumstances where the serial
> > console is unreponsive (e.g. RT51+ spinner, or scheduler problem). It
> > changes
> > the serial8250 driver to use I
On Fri, 5 Oct 2007, Gregory Haskins wrote:
> This series may help debugging certain circumstances where the serial
> console is unreponsive (e.g. RT51+ spinner, or scheduler problem). It changes
> the serial8250 driver to use IRQF_NODELAY so that interrupts execute in irq
> context instead of a kt
This series may help debugging certain circumstances where the serial
console is unreponsive (e.g. RT51+ spinner, or scheduler problem). It changes
the serial8250 driver to use IRQF_NODELAY so that interrupts execute in irq
context instead of a kthread.
It works pretty well on this end, though it
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