Re: [PATCH v1 3/3] iommu/vt-d: Fix a bug for PDP check in prq_event_thread

Lu Baolu
2020-10-28T05:11:53Z

Hi Yi,

On 10/28/20 9:36 AM, Yi Sun wrote:
> From: "Liu, Yi L" <yi.l.liu@intel.com>

Can you please add some description here? How far should this patch back
ported? A Fixes tag?

Best regards,
baolu

>
> Signed-off-by: Liu, Yi L <yi.l.liu@intel.com>
> Signed-off-by: Yi Sun <yi.y.sun@linux.intel.com>
> ---
> drivers/iommu/intel/svm.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/iommu/intel/svm.c b/drivers/iommu/intel/svm.c
> index 75d9dc9..1870248 100644
> --- a/drivers/iommu/intel/svm.c
> +++ b/drivers/iommu/intel/svm.c
> @@ -1032,7 +1032,7 @@ static irqreturn_t prq_event_thread(int irq, void *d)
> resp.qw0 = QI_PGRP_PASID(req->pasid) |
> QI_PGRP_DID(req->rid) |
> QI_PGRP_PASID_P(req->pasid_present) |
> - QI_PGRP_PDP(req->pasid_present) |
> + QI_PGRP_PDP(req->priv_data_present) |
> QI_PGRP_RESP_CODE(result) |
> QI_PGRP_RESP_TYPE;
> resp.qw1 = QI_PGRP_IDX(req->prg_index) |