On 4/13/2018 7:55 PM, Mehta, Sohil wrote:
On Fri, 2018-04-06 at 08:17 -0500, Gary R Hook wrote:
+struct dentry *iommu_debugfs_setup(void)
+{
+ if (!debugfs_initialized())
This check is probably not needed.
Ah, so it isn't. Thank you.
+ return NULL;
+
+ if (!iommu_debugfs_dir)
+ iommu_debugfs_dir = debugfs_create_dir("iommu",
NULL);
+
+ if (iommu_debugfs_dir)
+ pr_warn("WARNING: IOMMU DEBUGFS SUPPORT HAS BEEN
ENABLED IN THIS KERNEL\n");
+
As this gets called for each IOMMU, do you want to use pr_warn_once?
That works, yes.
+ return iommu_debugfs_dir;
+}
+EXPORT_SYMBOL_GPL(iommu_debugfs_setup);
-Sohil
