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authorsaturneric <[email protected]>2025-11-16 14:34:50 +0000
committersaturneric <[email protected]>2025-11-16 14:34:50 +0000
commit690862a8d74fee1e07f33dad44b761753f101779 (patch)
treef81bdcab8cd5a640518dba5056de6c62bd071eaf /drivers/iommu/intel/perf.c
parentMerge tag 'v6.17.7' into linux-6.17.y (diff)
parentLinux 6.17.8 (diff)
downloadkernel-linux-6.17.y.tar.gz
kernel-linux-6.17.y.zip
Merge tag 'v6.17.8' into linux-6.17.ylinux-6.17.y
This is the 6.17.8 stable release
Diffstat (limited to 'drivers/iommu/intel/perf.c')
-rw-r--r--drivers/iommu/intel/perf.c10
1 files changed, 4 insertions, 6 deletions
diff --git a/drivers/iommu/intel/perf.c b/drivers/iommu/intel/perf.c
index adc4de6bbd88..dceeadc3ee7c 100644
--- a/drivers/iommu/intel/perf.c
+++ b/drivers/iommu/intel/perf.c
@@ -113,7 +113,7 @@ static char *latency_type_names[] = {
" svm_prq"
};
-int dmar_latency_snapshot(struct intel_iommu *iommu, char *str, size_t size)
+void dmar_latency_snapshot(struct intel_iommu *iommu, char *str, size_t size)
{
struct latency_statistic *lstat = iommu->perf_statistic;
unsigned long flags;
@@ -122,7 +122,7 @@ int dmar_latency_snapshot(struct intel_iommu *iommu, char *str, size_t size)
memset(str, 0, size);
for (i = 0; i < COUNTS_NUM; i++)
- bytes += snprintf(str + bytes, size - bytes,
+ bytes += scnprintf(str + bytes, size - bytes,
"%s", latency_counter_names[i]);
spin_lock_irqsave(&latency_lock, flags);
@@ -130,7 +130,7 @@ int dmar_latency_snapshot(struct intel_iommu *iommu, char *str, size_t size)
if (!dmar_latency_enabled(iommu, i))
continue;
- bytes += snprintf(str + bytes, size - bytes,
+ bytes += scnprintf(str + bytes, size - bytes,
"\n%s", latency_type_names[i]);
for (j = 0; j < COUNTS_NUM; j++) {
@@ -156,11 +156,9 @@ int dmar_latency_snapshot(struct intel_iommu *iommu, char *str, size_t size)
break;
}
- bytes += snprintf(str + bytes, size - bytes,
+ bytes += scnprintf(str + bytes, size - bytes,
"%12lld", val);
}
}
spin_unlock_irqrestore(&latency_lock, flags);
-
- return bytes;
}