On 9/23/2023 8:25 AM, Joao Martins wrote:
Print the feature, much like other kernel-supported features.
One can still probe its actual hw support via sysfs, regardless
of what the kernel does.
Signed-off-by: Joao Martins <joao.m.martins@xxxxxxxxxx>
---
drivers/iommu/amd/init.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/iommu/amd/init.c b/drivers/iommu/amd/init.c
index 45efb7e5d725..b091a3d10819 100644
--- a/drivers/iommu/amd/init.c
+++ b/drivers/iommu/amd/init.c
@@ -2208,6 +2208,10 @@ static void print_iommu_info(void)
if (iommu->features & FEATURE_GAM_VAPIC)
pr_cont(" GA_vAPIC");
+ if (iommu->features & FEATURE_HASUP)
+ pr_cont(" HASup");
+ if (iommu->features & FEATURE_HDSUP)
+ pr_cont(" HDSup");
if (iommu->features & FEATURE_SNP)
pr_cont(" SNP");
Reviewed-by: Suravee Suthikulpanit <suravee.suthikulpanit@xxxxxxx>
Thanks,
Suravee
