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authorStefan Assmann <sassmann@suse.de>2008-06-11 16:35:15 +0200
committerIngo Molnar <mingo@elte.hu>2008-07-08 17:50:51 +0200
commit9197979b518573999d52d9e85bce1680682ed85c (patch)
tree056a03ab39e68e7533988f35d73a7b0cb9e99622 /Documentation/kernel-parameters.txt
parentx86, pci: introduce pci=noioapicquirk kernel cmdline option (diff)
downloadlinux-9197979b518573999d52d9e85bce1680682ed85c.tar.xz
linux-9197979b518573999d52d9e85bce1680682ed85c.zip
x86, pci: introduce pci=ioapicreroute kernel cmdline option
Introduce pci=ioapicreroute kernel cmdline option to enable rerouting of boot interrupts to the primary io-apic. Signed-off-by: Stefan Assmann <sassmann@suse.de> Signed-off-by: Olaf Dabrunz <od@suse.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'Documentation/kernel-parameters.txt')
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diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 1aebe9dffbaa..df262b3c3d6e 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -1521,6 +1521,10 @@ and is between 256 and 4096 characters. It is defined in the file
noioapicquirk [APIC] Disable all boot interrupt quirks.
Safety option to keep boot IRQs enabled. This
should never be necessary.
+ ioapicreroute [APIC] Enable rerouting of boot IRQs to the
+ primary IO-APIC for bridges that cannot disable
+ boot IRQs. This fixes a source of spurious IRQs
+ when the system masks IRQs.
biosirq [X86-32] Use PCI BIOS calls to get the interrupt
routing table. These calls are known to be buggy
on several machines and they hang the machine