RE: [Patch] speed up interrupt handling

From: David Mosberger <davidm_at_napali.hpl.hp.com>
Date: 2004-02-29 05:24:19
>>>>> On Sat, 28 Feb 2004 21:21:00 +1100, Peter Chubb <peter@chubb.wattle.id.au> said:

  Peter> The in-kernel handling for edge-triggered interrupts already
  Peter> has this problem, as far as I can tell.  However, for the
  Peter> more modern IA64 platforms as far as I know there *are* no
  Peter> edge-triggered interrupts, so it shouldn't be a problem.

On a zx2000, I see:

$ cat /proc/interrupts |fgrep -i edge
 49:      14555   IO-SAPIC-edge  serial

I doubt you care about user-level serial-line drivers, though. ;-)

	--david
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Received on Sat Feb 28 13:24:53 2004

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