Date: Wed, 17 Nov 2004 09:05:34 -0500 From: John Baldwin <jhb@FreeBSD.org> To: freebsd-acpi@FreeBSD.org Cc: scottl@FreeBSD.org Subject: Re: New ACPI PCI Link Routing code Message-ID: <200411170905.34296.jhb@FreeBSD.org> In-Reply-To: <419A8CEB.4070305@root.org> References: <200411111737.00537.jhb@FreeBSD.org> <200411161339.13818.jhb@FreeBSD.org> <419A8CEB.4070305@root.org>
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On Tuesday 16 November 2004 06:27 pm, Nate Lawson wrote: > John Baldwin wrote: > > On Thursday 11 November 2004 05:37 pm, John Baldwin wrote: > >>I've done some work on the ACPI PCI link code to make it a bit more like > >>$PIR in that it is link centric and uses actual new-bus devices for each > >>device link. One benefit of this is that unused links will be disabled > >> now which might help with interrupt aliasing problems on machines using > >> APICs. Also, instead of routing IRQs for links via PCI device numbers > >> using tunables, they are now routed via the link name ala $PIR. Thus, > >> one uses 'hw.pci.link.LNKA.irq=X' to route LNKA to IRQ X. Also, when > >> choosing a virgin interrupt, we no longer try to guess at which IRQs > >> might be used by ISA devices. Instead, we only use known-good IRQs > >> including IRQs that the BIOS has already used and the SCI if the link is > >> being routed via ISA IRQs. The patch is at > >> http://www.FreeBSD.org/~jhb/patches/acpi_pci_link.patch Please test and > >> let me know if there are any problems, thanks. > > > > I've updated this to the latest current and verified that it compiles ok > > (since I had at least one report that it didn't patch cleanly and/or > > compile). I plan to commit this in a couple of days unless I hear some > > sort of negative feedback. > > Oh, please s/style(msmith)/style(9) in some parts you added. Heh, I can do that in the new code, sure. -- John Baldwin <jhb@FreeBSD.org> <>< http://www.FreeBSD.org/~jhb/ "Power Users Use the Power to Serve" = http://www.FreeBSD.org
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