From cc9e49d35b4de47d6b656ac144cb22b11dc65c2e Mon Sep 17 00:00:00 2001 From: Jingqi Liu Date: Wed, 24 Apr 2024 15:16:30 +0800 Subject: iommu/vt-d: Remove debugfs use of private data field Since the page fault report and response have been tracked by ftrace, the users can easily calculate the time used for a page fault handling. There's no need to expose the similar functionality in debugfs. Hence, remove the corresponding operations in debugfs. Signed-off-by: Jingqi Liu Link: https://lore.kernel.org/r/20240308103811.76744-2-Jingqi.liu@intel.com Signed-off-by: Lu Baolu Signed-off-by: Joerg Roedel --- drivers/iommu/intel/debugfs.c | 7 ------- 1 file changed, 7 deletions(-) (limited to 'drivers/iommu/intel/debugfs.c') diff --git a/drivers/iommu/intel/debugfs.c b/drivers/iommu/intel/debugfs.c index 86b506af7daa..affbf4a1558d 100644 --- a/drivers/iommu/intel/debugfs.c +++ b/drivers/iommu/intel/debugfs.c @@ -706,7 +706,6 @@ static ssize_t dmar_perf_latency_write(struct file *filp, dmar_latency_disable(iommu, DMAR_LATENCY_INV_IOTLB); dmar_latency_disable(iommu, DMAR_LATENCY_INV_DEVTLB); dmar_latency_disable(iommu, DMAR_LATENCY_INV_IEC); - dmar_latency_disable(iommu, DMAR_LATENCY_PRQ); } rcu_read_unlock(); break; @@ -728,12 +727,6 @@ static ssize_t dmar_perf_latency_write(struct file *filp, dmar_latency_enable(iommu, DMAR_LATENCY_INV_IEC); rcu_read_unlock(); break; - case 4: - rcu_read_lock(); - for_each_active_iommu(iommu, drhd) - dmar_latency_enable(iommu, DMAR_LATENCY_PRQ); - rcu_read_unlock(); - break; default: return -EINVAL; } -- cgit v1.2.3