Date: Mon, 11 Apr 2005 12:04:49 -0600 (MDT) From: "M. Warner Losh" <imp@bsdimp.com> To: dillon@apollo.backplane.com Cc: freebsd-current@freebsd.org Subject: Re: Potential source of interrupt aliasing Message-ID: <20050411.120449.45665227.imp@bsdimp.com> In-Reply-To: <200504110231.j3B2VOYr047361@apollo.backplane.com> References: <20050410152946.W82708@carver.gumbysoft.com> <20050410172818.D82708@carver.gumbysoft.com> <200504110231.j3B2VOYr047361@apollo.backplane.com>
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In message: <200504110231.j3B2VOYr047361@apollo.backplane.com>
Matthew Dillon <dillon@apollo.backplane.com> writes:
: * PCI busses only have 4 interrupt lines (A, B, C, and D).
PCI Slots have only 4 interrupts. The BUS can have the interrupt
lines wired in an arbitrary manner. That's why we need to have $PIR
parsing.
Warner
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