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@@ -15,6 +15,14 @@ static struct ioapic_scope ir_ioapic[MAX_IO_APICS];
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static int ir_ioapic_num;
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int intr_remapping_enabled;
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+static int disable_intremap;
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+static __init int setup_nointremap(char *str)
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+{
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+ disable_intremap = 1;
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+ return 0;
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+}
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+early_param("nointremap", setup_nointremap);
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+
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struct irq_2_iommu {
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struct intel_iommu *iommu;
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u16 irte_index;
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@@ -506,6 +514,9 @@ int __init intr_remapping_supported(void)
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{
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struct dmar_drhd_unit *drhd;
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+ if (disable_intremap)
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+ return 0;
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+
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for_each_drhd_unit(drhd) {
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struct intel_iommu *iommu = drhd->iommu;
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