Date: Fri, 6 Jun 2003 21:07:46 +0200 From: Bernd Walter <ticso@cicely12.cicely.de> To: John Baldwin <jhb@freebsd.org> Cc: current@freebsd.org Subject: Re: [PATCH] Tweak re-routing of PCI interrupts Message-ID: <20030606190745.GA1290@cicely12.cicely.de> In-Reply-To: <XFMail.20030606141331.jhb@FreeBSD.org> References: <XFMail.20030606141331.jhb@FreeBSD.org>
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On Fri, Jun 06, 2003 at 02:13:31PM -0400, John Baldwin wrote: > I have a small tweak to the PCI code that re-routes PCI interrupts. > Basically, it does two things, 1) make the comment less ia64-specific > and 2) if the interrupt route returns an invalid IRQ (i.e. 255), then > we don't change the intline. In other words, if we can't route the > interrupt, we just assume that the firmware knows more than we do and > go with the value it stuck in the register. 1) is a no-brainer, but > I wonder what people think about 2). Patch below: I will test this, as my printserver tried all pci device with irq 255. I already wondered how you could route interrupts without ACPI until I booted my printserver with a recent kernel. -- B.Walter BWCT http://www.bwct.de ticso@bwct.de info@bwct.de
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