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Subject: Re: [2.4.17/18pre] VM and swap - it's really unusable
To: rml@tech9.net (Robert Love)
Date: Sat, 12 Jan 2002 20:07:34 +0000 (GMT)
Cc: alan@lxorguk.ukuu.org.uk (Alan Cox), arjan@fenrus.demon.nl,
        landley@trommello.org (Rob Landley), linux-kernel@vger.kernel.org
In-Reply-To: <1010863588.2007.34.camel@phantasy> from "Robert Love" at Jan 12, 2002 02:26:27 PM
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From: Alan Cox <alan@lxorguk.ukuu.org.uk>
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> > PRE-EMPT:
> > 	We get back and we've missed 300 packets, the serial port sharing
> > 	the IRQ has dropped our internet connection completely.
> 
> We don't preempt while IRQ are disabled.

I must have missed that in the code. I can see you check __cli() status but
I didn't see anywhere you check disable_irq(). Even if you did it doesnt
help when I mask the irq on the chip rather than using disable_irq() calls.

Alan
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