Messages in this thread |  | | Date | Fri, 10 Dec 2004 17:23:02 -0800 (PST) | | From | Linus Torvalds <> | | Subject | Re: VM86 interrupt emulation breakage and FIXes for 2.6.x kernel series |
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On Fri, 10 Dec 2004, Alan Cox wrote: > > On Gwe, 2004-12-10 at 22:55, Linus Torvalds wrote: > > On Fri, 10 Dec 2004, Alan Cox wrote: > > The vm86 interrupt does not allow sharing. And it really _has_ to be > > disabled until user mode has cleared the irq source, or you'll have a very > > dead machine. > > Until the 10,000th event it actually seems to work rather happily > without that change.
I suspect you never tried the level-triggered case.
In the level-triggered case, the 10,000 interrupts happen faster than user-mode can even say "Whaaa?".
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