diff options
Diffstat (limited to 'drivers/pci')
| -rw-r--r-- | drivers/pci/intr_remapping.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/pci/intr_remapping.c b/drivers/pci/intr_remapping.c index 5c2142656e96..842039e4955b 100644 --- a/drivers/pci/intr_remapping.c +++ b/drivers/pci/intr_remapping.c @@ -15,6 +15,14 @@ static struct ioapic_scope ir_ioapic[MAX_IO_APICS]; static int ir_ioapic_num; int intr_remapping_enabled; +static int disable_intremap; +static __init int setup_nointremap(char *str) +{ + disable_intremap = 1; + return 0; +} +early_param("nointremap", setup_nointremap); + struct irq_2_iommu { struct intel_iommu *iommu; u16 irte_index; @@ -506,6 +514,9 @@ int __init intr_remapping_supported(void) { struct dmar_drhd_unit *drhd; + if (disable_intremap) + return 0; + for_each_drhd_unit(drhd) { struct intel_iommu *iommu = drhd->iommu; |