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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 /arch/x86/pci
parenta9322f6488b432ddc1e89be88242c827c633fb63 (diff)
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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 'arch/x86/pci')
-rw-r--r--arch/x86/pci/common.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/x86/pci/common.c b/arch/x86/pci/common.c
index bc6a101ed7e..0a9eaa736d9 100644
--- a/arch/x86/pci/common.c
+++ b/arch/x86/pci/common.c
@@ -23,6 +23,7 @@ unsigned int pci_probe = PCI_PROBE_BIOS | PCI_PROBE_CONF1 | PCI_PROBE_CONF2 |
static int pci_bf_sort;
int pci_routeirq;
int noioapicquirk;
+int noioapicreroute = 1;
int pcibios_last_bus = -1;
unsigned long pirq_table_addr;
struct pci_bus *pci_root_bus;
@@ -499,6 +500,10 @@ char * __devinit pcibios_setup(char *str)
} else if (!strcmp(str, "noioapicquirk")) {
noioapicquirk = 1;
return NULL;
+ } else if (!strcmp(str, "ioapicreroute")) {
+ if (noioapicreroute != -1)
+ noioapicreroute = 0;
+ return NULL;
}
return str;
}