Messages in this thread | | | Subject | Re: [PATCH v2 2/2] iommu/vt-d: Fix a bug for PDP check in prq_event_thread | From | Lu Baolu <> | Date | Fri, 30 Oct 2020 20:49:49 +0800 |
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On 10/30/20 10:37 AM, Yi Sun wrote: > From: "Liu, Yi L" <yi.l.liu@intel.com> > > In prq_event_thread(), the QI_PGRP_PDP is wrongly set by > 'req->pasid_present' which should be replaced to > 'req->priv_data_present'. > > Fixes: 5b438f4ba315 ("iommu/vt-d: Support page request in scalable mode") > Signed-off-by: Liu, Yi L <yi.l.liu@intel.com> > Signed-off-by: Yi Sun <yi.y.sun@linux.intel.com>
Cc: stable@ver.kernel.org Acked-by: Lu Baolu <baolu.lu@linux.intel.com>
Best regards, baolu
> --- > 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 7584669..3242ebd 100644 > --- a/drivers/iommu/intel/svm.c > +++ b/drivers/iommu/intel/svm.c > @@ -1035,7 +1035,7 @@ 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) | >
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