SysFSTools: iommu_support: improve comment

Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>

diff --git a/src/PVE/SysFSTools.pm b/src/PVE/SysFSTools.pm
index 4b23668538dca39293917e80e623f2a08f9cfbd0..c16e7d3720947c7b43684443c4c73650816fa9c2 100644 (file)
--- a/src/PVE/SysFSTools.pm
+++ b/src/PVE/SysFSTools.pm
@@ -33,7 +33,7 @@ sub lspci {
 }
 
 sub check_iommu_support{
 }
 
 sub check_iommu_support{

-    # iommu support if there is anything in /sys/class/iommu besides . or ..
+    # we have IOMMU support if /sys/class/iommu/ is populated

     return PVE::Tools::dir_glob_regex('/sys/class/iommu/', "[^\.].*");
 }
 
     return PVE::Tools::dir_glob_regex('/sys/class/iommu/', "[^\.].*");
 }