On 17/10/2023 04:48, Suthikulpanit, Suravee wrote:
> 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!
