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Subject: Re: VM86 interrupt emulation breakage and FIXes for 2.6.x kernel
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From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Linus Torvalds <torvalds@osdl.org>
Cc: Pavel Pisa <pisa@cmp.felk.cvut.cz>, Ingo Molnar <mingo@redhat.com>,
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On Sad, 2004-12-11 at 01:23, Linus Torvalds wrote:
> > Until the 10,000th event it actually seems to work rather happily
> > without that change.
> 
> I suspect you never tried the level-triggered case.

Level triggered has never been supported. Putting a single disable_irq
in doesn't change the fact it doesn't work because the IRQ is never
re-enabled.