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| author | Han, Weidong <weidong.han@intel.com> | 2009-04-03 17:15:50 +0800 |
|---|---|---|
| committer | David Woodhouse <David.Woodhouse@intel.com> | 2009-04-04 10:42:28 +0100 |
| commit | d0b03bd1c6725a3463290d7f9626e4b583518a5a (patch) | |
| tree | ce4ef17315c5435a8a77cd8fdb47e17193093349 /drivers/pci | |
| parent | 34aaaa948e3c9dd65b27fa499c5c9e8d8f1227cf (diff) | |
| download | blackbird-op-linux-d0b03bd1c6725a3463290d7f9626e4b583518a5a.tar.gz blackbird-op-linux-d0b03bd1c6725a3463290d7f9626e4b583518a5a.zip | |
x2apic/intr-remap: decouple interrupt remapping from x2apic
interrupt remapping must be enabled before enabling x2apic, but
interrupt remapping doesn't depend on x2apic, it can be used
separately. Enable interrupt remapping in init_dmars even x2apic
is not supported.
[dwmw2: Update Kconfig accordingly, fix build with INTR_REMAP && !X2APIC]
Signed-off-by: Weidong Han <weidong.han@intel.com>
Acked-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Diffstat (limited to 'drivers/pci')
| -rw-r--r-- | drivers/pci/intel-iommu.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/pci/intel-iommu.c b/drivers/pci/intel-iommu.c index ef5795d0396b..f3eebd2b2d72 100644 --- a/drivers/pci/intel-iommu.c +++ b/drivers/pci/intel-iommu.c @@ -1947,6 +1947,15 @@ static int __init init_dmars(void) } } +#ifdef CONFIG_INTR_REMAP + if (!intr_remapping_enabled) { + ret = enable_intr_remapping(0); + if (ret) + printk(KERN_ERR + "IOMMU: enable interrupt remapping failed\n"); + } +#endif + /* * For each rmrr * for each dev attached to rmrr |
