summaryrefslogtreecommitdiffstats
path: root/drivers/iommu/intel/dmar.c
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--drivers/iommu/intel/dmar.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/iommu/intel/dmar.c b/drivers/iommu/intel/dmar.c
index 418af1db0..4759f79ad 100644
--- a/drivers/iommu/intel/dmar.c
+++ b/drivers/iommu/intel/dmar.c
@@ -34,6 +34,7 @@
#include "../irq_remapping.h"
#include "perf.h"
#include "trace.h"
+#include "perfmon.h"
typedef int (*dmar_res_handler_t)(struct acpi_dmar_header *, void *);
struct dmar_res_callback {
@@ -1104,6 +1105,9 @@ static int alloc_iommu(struct dmar_drhd_unit *drhd)
if (sts & DMA_GSTS_QIES)
iommu->gcmd |= DMA_GCMD_QIE;
+ if (alloc_iommu_pmu(iommu))
+ pr_debug("Cannot alloc PMU for iommu (seq_id = %d)\n", iommu->seq_id);
+
raw_spin_lock_init(&iommu->register_lock);
/*
@@ -1131,6 +1135,7 @@ static int alloc_iommu(struct dmar_drhd_unit *drhd)
err_sysfs:
iommu_device_sysfs_remove(&iommu->iommu);
err_unmap:
+ free_iommu_pmu(iommu);
unmap_iommu(iommu);
error_free_seq_id:
ida_free(&dmar_seq_ids, iommu->seq_id);
@@ -1146,6 +1151,8 @@ static void free_iommu(struct intel_iommu *iommu)
iommu_device_sysfs_remove(&iommu->iommu);
}
+ free_iommu_pmu(iommu);
+
if (iommu->irq) {
if (iommu->pr_irq) {
free_irq(iommu->pr_irq, iommu);