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authorYinghai Lu <yinghai@kernel.org>2009-05-15 13:05:16 -0700
committerIngo Molnar <mingo@elte.hu>2009-05-18 09:33:17 +0200
commit629e15d245f46bef9d26199b450f882f9437a8fe (patch)
tree8acc02c159e6b1a62753db4ba508932358ae5457 /arch/x86/kernel/mpparse.c
parent2759c3287de27266e06f1f4e82cbd2d65f6a044c (diff)
x86, irq: update_mptable needs pci_routeirq
To get all device irq routing and to save them. This is basically an implicit pci=routeirq enablement if (and on if) the update_mptable boot option (which is off by default) has been specified. [ Impact: extend the update_mptable boot opion's scope ] Signed-off-by: Yinghai Lu <yinghai@kernel.org> Cc: Jesse Barnes <jbarnes@virtuousgeek.org> LKML-Reference: <4A0DB7B4.4060702@kernel.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/kernel/mpparse.c')
-rw-r--r--arch/x86/kernel/mpparse.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/x86/kernel/mpparse.c b/arch/x86/kernel/mpparse.c
index cd2a41a7c45..e6bf9d08e50 100644
--- a/arch/x86/kernel/mpparse.c
+++ b/arch/x86/kernel/mpparse.c
@@ -17,6 +17,7 @@
#include <linux/acpi.h>
#include <linux/module.h>
#include <linux/smp.h>
+#include <linux/pci.h>
#include <asm/mtrr.h>
#include <asm/mpspec.h>
@@ -961,6 +962,9 @@ static int __initdata enable_update_mptable;
static int __init update_mptable_setup(char *str)
{
enable_update_mptable = 1;
+#ifdef CONFIG_PCI
+ pci_routeirq = 1;
+#endif
return 0;
}
early_param("update_mptable", update_mptable_setup);
@@ -973,6 +977,9 @@ static int __initdata alloc_mptable;
static int __init parse_alloc_mptable_opt(char *p)
{
enable_update_mptable = 1;
+#ifdef CONFIG_PCI
+ pci_routeirq = 1;
+#endif
alloc_mptable = 1;
if (!p)
return 0;