diff options
Diffstat (limited to 'drivers/iommu/intel/dmar.c')
| -rw-r--r-- | drivers/iommu/intel/dmar.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/iommu/intel/dmar.c b/drivers/iommu/intel/dmar.c index 351be9455214..932e0c10c0fe 100644 --- a/drivers/iommu/intel/dmar.c +++ b/drivers/iommu/intel/dmar.c @@ -2121,7 +2121,7 @@ int dmar_set_interrupt(struct intel_iommu *iommu) return ret; } -int __init enable_drhd_fault_handling(void) +int enable_drhd_fault_handling(unsigned int cpu) { struct dmar_drhd_unit *drhd; struct intel_iommu *iommu; @@ -2131,7 +2131,12 @@ int __init enable_drhd_fault_handling(void) */ for_each_iommu(iommu, drhd) { u32 fault_status; - int ret = dmar_set_interrupt(iommu); + int ret; + + if (iommu->irq || iommu->node != cpu_to_node(cpu)) + continue; + + ret = dmar_set_interrupt(iommu); if (ret) { pr_err("DRHD %Lx: failed to enable fault, interrupt, ret %d\n", |