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intel-iommu: Disallow interrupt remapping if not all ioapics covered

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Current kernel enable interrupt remapping only when all the vt-d unit support
interrupt remapping. So it is reasonable we should also disallow enabling
intr-remapping if there any io-apics that are not listed under vt-d units.
Otherwise we can run into issues.

Acked-by: Suresh Siddha <suresh.b.siddha@intel.com>
Signed-off-by: Youquan Song <youquan.song@intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
This commit is contained in:
Youquan Song
2009-09-07 10:58:07 -04:00
committed by David Woodhouse
parent adb2fe0277
commit e936d0773d
2 changed files with 5 additions and 3 deletions
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3
drivers/pci/dmar.c
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@ -570,9 +570,6 @@ int __init dmar_table_init(void)
printk(KERN_INFO PREFIX "No ATSR found\n");
#endif
#ifdef CONFIG_INTR_REMAP
parse_ioapics_under_ir();
#endif
return 0;
}