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iommu/vt-d: Cleanup log messages

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Give them a common prefix that can be grepped for and
improve the wording here and there.

Tested-by: ZhenHua Li <zhen-hual@hp.com>
Tested-by: Baoquan He <bhe@redhat.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
This commit is contained in:
Joerg Roedel
2015-06-12 09:57:06 +02:00
parent 0f57d86787
commit 9f10e5bf62
3 changed files with 101 additions and 110 deletions
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29
drivers/iommu/intel_irq_remapping.c
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@@ -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;
}