Re: Fwd: Re: "irq 42: nobody cared" and I/O errors on serial ports

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On Mon, Jun 13, 2011 at 11:55:14AM +1200, andrew mcgregor wrote:
> Ok, patch attached.
> 
> 
> 
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Because of this header, I can't accept any patches sent with it, as it
contridicts the "Signed-off-by:" line below.  Which should I believe?

Please resend without it and fix the email to: line, as that was quite
corrupted as well, and I will be glad to queue it up.

> >From 9c14cbc96253c90533a4dbd12fd8cc23955d7133 Mon Sep 17 00:00:00 2001
> From: Andrew McGregor <andrew.mcgregor@xxxxxxxxxxxxxxxxxxx>
> Date: Mon, 13 Jun 2011 11:31:31 +1200
> Subject: [PATCH]  fix "IRQ45: nobody cared"
> 
> Unthrottling the TTY during close ends up enabling interrupts
> on a device not on the active list, which will never have the
> interrupts cleared.  Doctor, it hurts when I do this.
> 
> On Wed, 01 Jun 2011 10:34:07 +1200
> "andrew mcgregor" <andrew.mcgregor@xxxxxxxxxxxxxxxxxxx> wrote:
> 
> > The LKML message
> > http://kerneltrap.org/mailarchive/linux-kernel/2010/2/25/4541847 from
> > February doesn't seem to have been resolved since.  We struck the
> > issue, and the patch below (against 2.6.32) fixes it.  Should I
> > supply a patch against 3.0.0rc?
> 
> I think that would be sensible. I don't actually see how you hit it as
> the IRQ ought to be masked by then but it's certainly wrong for n_tty
> to be calling into check_unthrottle at that point.
> 
> So yes please send a patch with a suitable Signed-off-by: line to
> linux-serial and cc GregKH <greg@xxxxxxxxx> as well.
> 
> Alan
> 
> Signed-off-by: Alan Cox <alan@xxxxxxxxxxxxxxx>

Wait, Alan wrote this?  Or you did?  You can't add someone elses
Signed-off-by: to a patch they didn't create.  Please read
Documentation/SubmittingPatches for what this line means.

thanks,

greg k-h
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