diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-08-27 07:08:39 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-08-27 07:08:39 -0700 |
| commit | 9db48aaf18d675ac41f550c9384154e0c00de2ef (patch) | |
| tree | 70a19b9164c103e5f52dddff609e01672f8ef616 /drivers/iommu/intel_irq_remapping.c | |
| parent | 0592969e73ae50ce6852d1aff3d222a335289094 (diff) | |
| parent | fea7a08acb13524b47711625eebea40a0ede69a0 (diff) | |
Merge 3.6-rc3 into driver-core-next
This picks up the printk fixes in 3.6-rc3 that are needed in this branch.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/iommu/intel_irq_remapping.c')
| -rw-r--r-- | drivers/iommu/intel_irq_remapping.c | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/drivers/iommu/intel_irq_remapping.c b/drivers/iommu/intel_irq_remapping.c index e0b18f3ae9a..af8904de1d4 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) { struct dmar_drhd_unit *drhd; int ir_supported = 0; + int ioapic_idx; for_each_drhd_unit(drhd) { struct intel_iommu *iommu = drhd->iommu; @@ -748,13 +749,20 @@ int __init parse_ioapics_under_ir(void) } } - if (ir_supported && ir_ioapic_num != nr_ioapics) { - printk(KERN_WARNING - "Not all IO-APIC's listed under remapping hardware\n"); - return -1; + if (!ir_supported) + return 0; + + for (ioapic_idx = 0; ioapic_idx < nr_ioapics; ioapic_idx++) { + int ioapic_id = mpc_ioapic_id(ioapic_idx); + if (!map_ioapic_to_ir(ioapic_id)) { + pr_err(FW_BUG "ioapic %d has no mapping iommu, " + "interrupt remapping will be disabled\n", + ioapic_id); + return -1; + } } - return ir_supported; + return 1; } int __init ir_dev_scope_init(void) |