diff options
Diffstat (limited to 'drivers/iommu/intel/debugfs.c')
| -rw-r--r-- | drivers/iommu/intel/debugfs.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/iommu/intel/debugfs.c b/drivers/iommu/intel/debugfs.c index 6e1a3f88abc8..1f925285104e 100644 --- a/drivers/iommu/intel/debugfs.c +++ b/drivers/iommu/intel/debugfs.c @@ -263,10 +263,9 @@ static void ctx_tbl_walk(struct seq_file *m, struct intel_iommu *iommu, u16 bus) static void root_tbl_walk(struct seq_file *m, struct intel_iommu *iommu) { - unsigned long flags; u16 bus; - spin_lock_irqsave(&iommu->lock, flags); + spin_lock(&iommu->lock); seq_printf(m, "IOMMU %s: Root Table Address: 0x%llx\n", iommu->name, (u64)virt_to_phys(iommu->root_entry)); seq_puts(m, "B.D.F\tRoot_entry\t\t\t\tContext_entry\t\t\t\tPASID\tPASID_table_entry\n"); @@ -278,8 +277,7 @@ static void root_tbl_walk(struct seq_file *m, struct intel_iommu *iommu) */ for (bus = 0; bus < 256; bus++) ctx_tbl_walk(m, iommu, bus); - - spin_unlock_irqrestore(&iommu->lock, flags); + spin_unlock(&iommu->lock); } static int dmar_translation_struct_show(struct seq_file *m, void *unused) |