diff options
| author | Yinghai Lu <yhlu.kernel@gmail.com> | 2008-07-25 19:39:03 -0700 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-07-27 06:28:16 +0200 |
| commit | d25ae38b7e005af03843833bbd811ffe8c5f8cb4 (patch) | |
| tree | bc4016cd14572affa04e3fed6f0dd095ce134fc3 /arch/x86/kernel/genapic_64.c | |
| parent | edb181ac4b0c7c1240503da46349a3fb69af9ef6 (diff) | |
x86: add apic probe for genapic 64bit - fix
intr_remapping_enabled get assigned later, so need to check that
in setup_apic_routing
Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Cc: Jack Steiner <steiner@sgi.com>
Cc: Suresh Siddha <suresh.b.siddha@intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/kernel/genapic_64.c')
| -rw-r--r-- | arch/x86/kernel/genapic_64.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/x86/kernel/genapic_64.c b/arch/x86/kernel/genapic_64.c index b3ba969c50d..6c9bfc9e1e9 100644 --- a/arch/x86/kernel/genapic_64.c +++ b/arch/x86/kernel/genapic_64.c @@ -16,6 +16,7 @@ #include <linux/ctype.h> #include <linux/init.h> #include <linux/hardirq.h> +#include <linux/dmar.h> #include <asm/smp.h> #include <asm/ipi.h> @@ -42,6 +43,11 @@ static struct genapic *apic_probe[] __initdata = { */ void __init setup_apic_routing(void) { + if (genapic == &apic_x2apic_phys || genapic == &apic_x2apic_cluster) { + if (!intr_remapping_enabled) + genapic = &apic_flat; + } + if (genapic == &apic_flat) { if (max_physical_apicid >= 8) genapic = &apic_physflat; |