Hi Jonathan,
Thanks for reviewing
On 08/03/18 15:40, Jonathan Cameron wrote:
>> +/**
>> + * iommu_fault_queue_unregister() - Unregister an IOMMU driver from the
>> fault
>> + * queue.
>> + * @flush_notifier: same parameter as iommu_fault_queue_register
>> + */
>> +void iommu_fault_queue_unregist
On Mon, 12 Feb 2018 18:33:22 +
Jean-Philippe Brucker wrote:
> Some systems allow devices to handle IOMMU translation faults in the core
> mm. For example systems supporting the PCI PRI extension or Arm SMMU stall
> model. Infrastructure for reporting such recoverable page faults was
> recentl
On 2018-03-06 05:46, Jean-Philippe Brucker wrote:
On 05/03/18 21:53, Sinan Kaya wrote:
On 2/12/2018 1:33 PM, Jean-Philippe Brucker wrote:
+static struct workqueue_struct *iommu_fault_queue;
Is there anyway we can make this fault queue per struct device?
Since this is common code, I think it n
On 05/03/18 21:53, Sinan Kaya wrote:
> On 2/12/2018 1:33 PM, Jean-Philippe Brucker wrote:
>> +static struct workqueue_struct *iommu_fault_queue;
>
> Is there anyway we can make this fault queue per struct device?
> Since this is common code, I think it needs some care.
I don't think it's better,
On 05/03/18 21:44, Sinan Kaya wrote:
> On 2/12/2018 1:33 PM, Jean-Philippe Brucker wrote:
>> +static int iommu_queue_fault(struct iommu_domain *domain, struct device
>> *dev,
>> + struct iommu_fault_event *evt)
>> +{
>> +struct iommu_fault_group *group;
>> +struct i
On 2/12/2018 1:33 PM, Jean-Philippe Brucker wrote:
> +static struct workqueue_struct *iommu_fault_queue;
Is there anyway we can make this fault queue per struct device?
Since this is common code, I think it needs some care.
--
Sinan Kaya
Qualcomm Datacenter Technologies, Inc. as an affiliate of
On 2/12/2018 1:33 PM, Jean-Philippe Brucker wrote:
> +static int iommu_queue_fault(struct iommu_domain *domain, struct device *dev,
> + struct iommu_fault_event *evt)
> +{
> + struct iommu_fault_group *group;
> + struct iommu_fault_context *fault, *next;
> +
> +
On 14/02/18 07:18, Jacob Pan wrote:
[...]
>> +/* Used to store incomplete fault groups */
>> +static LIST_HEAD(iommu_partial_faults);
>> +static DEFINE_SPINLOCK(iommu_partial_faults_lock);
>> +
> should partial fault list be per iommu?
That would be good, but I don't see an easy way to retrieve th
On Mon, 12 Feb 2018 18:33:22 +
Jean-Philippe Brucker wrote:
> Some systems allow devices to handle IOMMU translation faults in the
> core mm. For example systems supporting the PCI PRI extension or Arm
> SMMU stall model. Infrastructure for reporting such recoverable page
> faults was recentl
Some systems allow devices to handle IOMMU translation faults in the core
mm. For example systems supporting the PCI PRI extension or Arm SMMU stall
model. Infrastructure for reporting such recoverable page faults was
recently added to the IOMMU core, for SVA virtualization. Extend
iommu_report_dev
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