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authorBjorn Helgaas <bhelgaas@google.com>2012-09-13 10:41:01 -0400
committerBjorn Helgaas <bhelgaas@google.com>2012-09-13 10:41:01 -0400
commit78890b5989d96ddce989cde929c45ceeded0fcaf (patch)
tree4e2da81fc7c97f11aee174b1eedac110c9a68b3a /drivers/iommu/intel_irq_remapping.c
parent1959ec5f82acbdf91425b41600f119ebecb5f6a8 (diff)
parent55d512e245bc7699a8800e23df1a24195dd08217 (diff)
Merge commit 'v3.6-rc5' into next
* commit 'v3.6-rc5': (1098 commits) Linux 3.6-rc5 HID: tpkbd: work even if the new Lenovo Keyboard driver is not configured Remove user-triggerable BUG from mpol_to_str xen/pciback: Fix proper FLR steps. uml: fix compile error in deliver_alarm() dj: memory scribble in logi_dj Fix order of arguments to compat_put_time[spec|val] xen: Use correct masking in xen_swiotlb_alloc_coherent. xen: fix logical error in tlb flushing xen/p2m: Fix one-off error in checking the P2M tree directory. powerpc: Don't use __put_user() in patch_instruction powerpc: Make sure IPI handlers see data written by IPI senders powerpc: Restore correct DSCR in context switch powerpc: Fix DSCR inheritance in copy_thread() powerpc: Keep thread.dscr and thread.dscr_inherit in sync powerpc: Update DSCR on all CPUs when writing sysfs dscr_default powerpc/powernv: Always go into nap mode when CPU is offline powerpc: Give hypervisor decrementer interrupts their own handler powerpc/vphn: Fix arch_update_cpu_topology() return value ARM: gemini: fix the gemini build ... Conflicts: drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c drivers/rapidio/devices/tsi721.c
Diffstat (limited to 'drivers/iommu/intel_irq_remapping.c')
-rw-r--r--drivers/iommu/intel_irq_remapping.c18
1 files changed, 13 insertions, 5 deletions
diff --git a/drivers/iommu/intel_irq_remapping.c b/drivers/iommu/intel_irq_remapping.c
index e0b18f3ae9a8..af8904de1d44 100644
--- a/drivers/iommu/intel_irq_remapping.c
+++ b/drivers/iommu/intel_irq_remapping.c
@@ -736,6 +736,7 @@ int __init parse_ioapics_under_ir(void)
736{ 736{
737 struct dmar_drhd_unit *drhd; 737 struct dmar_drhd_unit *drhd;
738 int ir_supported = 0; 738 int ir_supported = 0;
739 int ioapic_idx;
739 740
740 for_each_drhd_unit(drhd) { 741 for_each_drhd_unit(drhd) {
741 struct intel_iommu *iommu = drhd->iommu; 742 struct intel_iommu *iommu = drhd->iommu;
@@ -748,13 +749,20 @@ int __init parse_ioapics_under_ir(void)
748 } 749 }
749 } 750 }
750 751
751 if (ir_supported && ir_ioapic_num != nr_ioapics) { 752 if (!ir_supported)
752 printk(KERN_WARNING 753 return 0;
753 "Not all IO-APIC's listed under remapping hardware\n"); 754
754 return -1; 755 for (ioapic_idx = 0; ioapic_idx < nr_ioapics; ioapic_idx++) {
756 int ioapic_id = mpc_ioapic_id(ioapic_idx);
757 if (!map_ioapic_to_ir(ioapic_id)) {
758 pr_err(FW_BUG "ioapic %d has no mapping iommu, "
759 "interrupt remapping will be disabled\n",
760 ioapic_id);
761 return -1;
762 }
755 } 763 }
756 764
757 return ir_supported; 765 return 1;
758} 766}
759 767
760int __init ir_dev_scope_init(void) 768int __init ir_dev_scope_init(void)