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path: root/drivers/iommu/intel_irq_remapping.c
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Diffstat (limited to 'drivers/iommu/intel_irq_remapping.c')
-rw-r--r--drivers/iommu/intel_irq_remapping.c29
1 files changed, 14 insertions, 15 deletions
diff --git a/drivers/iommu/intel_irq_remapping.c b/drivers/iommu/intel_irq_remapping.c
index 5709ae9c3e77..3fe3fc78060c 100644
--- a/drivers/iommu/intel_irq_remapping.c
+++ b/drivers/iommu/intel_irq_remapping.c
@@ -1,3 +1,6 @@
+
+#define pr_fmt(fmt) "DMAR-IR: " fmt
+
#include <linux/interrupt.h>
#include <linux/dmar.h>
#include <linux/spinlock.h>
@@ -100,8 +103,7 @@ static int alloc_irte(struct intel_iommu *iommu, int irq, u16 count)
}
if (mask > ecap_max_handle_mask(iommu->ecap)) {
- printk(KERN_ERR
- "Requested mask %x exceeds the max invalidation handle"
+ pr_err("Requested mask %x exceeds the max invalidation handle"
" mask value %Lx\n", mask,
ecap_max_handle_mask(iommu->ecap));
return -1;
@@ -333,7 +335,7 @@ static int set_ioapic_sid(struct irte *irte, int apic)
up_read(&dmar_global_lock);
if (sid == 0) {
- pr_warning("Failed to set source-id of IOAPIC (%d)\n", apic);
+ pr_warn("Failed to set source-id of IOAPIC (%d)\n", apic);
return -1;
}
@@ -360,7 +362,7 @@ static int set_hpet_sid(struct irte *irte, u8 id)
up_read(&dmar_global_lock);
if (sid == 0) {
- pr_warning("Failed to set source-id of HPET block (%d)\n", id);
+ pr_warn("Failed to set source-id of HPET block (%d)\n", id);
return -1;
}
@@ -580,7 +582,7 @@ static void __init intel_cleanup_irq_remapping(void)
}
if (x2apic_supported())
- pr_warn("Failed to enable irq remapping. You are vulnerable to irq-injection attacks.\n");
+ pr_warn("Failed to enable irq remapping. You are vulnerable to irq-injection attacks.\n");
}
static int __init intel_prepare_irq_remapping(void)
@@ -589,8 +591,7 @@ static int __init intel_prepare_irq_remapping(void)
struct intel_iommu *iommu;
if (irq_remap_broken) {
- printk(KERN_WARNING
- "This system BIOS has enabled interrupt remapping\n"
+ pr_warn("This system BIOS has enabled interrupt remapping\n"
"on a chipset that contains an erratum making that\n"
"feature unstable. To maintain system stability\n"
"interrupt remapping is being disabled. Please\n"
@@ -606,7 +607,7 @@ static int __init intel_prepare_irq_remapping(void)
return -ENODEV;
if (parse_ioapics_under_ir() != 1) {
- printk(KERN_INFO "Not enabling interrupt remapping\n");
+ pr_info("Not enabling interrupt remapping\n");
goto error;
}
@@ -667,8 +668,8 @@ static int __init intel_enable_irq_remapping(void)
*/
for_each_iommu(iommu, drhd)
if (eim && !ecap_eim_support(iommu->ecap)) {
- printk(KERN_INFO "DRHD %Lx: EIM not supported by DRHD, "
- " ecap %Lx\n", drhd->reg_base_addr, iommu->ecap);
+ pr_info("DRHD %Lx: EIM not supported by DRHD, "
+ " ecap %Lx\n", drhd->reg_base_addr, iommu->ecap);
eim = 0;
}
eim_mode = eim;
@@ -682,7 +683,7 @@ static int __init intel_enable_irq_remapping(void)
int ret = dmar_enable_qi(iommu);
if (ret) {
- printk(KERN_ERR "DRHD %Lx: failed to enable queued, "
+ pr_err("DRHD %Lx: failed to enable queued, "
" invalidation, ecap %Lx, ret %d\n",
drhd->reg_base_addr, iommu->ecap, ret);
goto error;
@@ -1145,14 +1146,12 @@ static int intel_msi_alloc_irq(struct pci_dev *dev, int irq, int nvec)
down_read(&dmar_global_lock);
iommu = map_dev_to_ir(dev);
if (!iommu) {
- printk(KERN_ERR
- "Unable to map PCI %s to iommu\n", pci_name(dev));
+ pr_err("Unable to map PCI %s to iommu\n", pci_name(dev));
index = -ENOENT;
} else {
index = alloc_irte(iommu, irq, nvec);
if (index < 0) {
- printk(KERN_ERR
- "Unable to allocate %d IRTE for PCI %s\n",
+ pr_err("Unable to allocate %d IRTE for PCI %s\n",
nvec, pci_name(dev));
index = -ENOSPC;
}