Subject: Re: Heads-Up: support for device rescan and detach
To: David Brownlee <abs@NetBSD.org>
From: Jochen Kunz <email@example.com>
Date: 09/16/2004 17:29:37
On Thu, 16 Sep 2004 15:50:40 +0100 (BST)
David Brownlee <abs@NetBSD.org> wrote:
> > - Interrupts during probe and attach? Would be a hardship
> > to disable generally. DEC OSF/1 (or what it is called
> > currently) has a special flag for this.
> I think at least vax needs interrupts enabled in order to probe
> for which interrupt during attach.
Yes. A Qbus / UniBus driver that wants to use interrupts _must_ cause an
interrupt during probe / match. The uba(4) driver wants to catch the
interrupt to get the interrupt vector and level of the device.=20