On Thu, 18 Jan 2018 19:24:52 +
Jean-Philippe Brucker wrote:
> Hi Jacob,
>
> I've got minor comments after working with this patch, sorry for the
> multiple replies
>
> On 17/11/17 18:55, Jacob Pan wrote:
> [...]
> > diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c
> > index 829e9e
Hi Jacob,
I've got minor comments after working with this patch, sorry for the
multiple replies
On 17/11/17 18:55, Jacob Pan wrote:
[...]
> diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c
> index 829e9e9..97b7990 100644
> --- a/drivers/iommu/iommu.c
> +++ b/drivers/iommu/iommu.c
> @@ -
On 17/11/17 18:55, Jacob Pan wrote:
[...]
> +static inline int iommu_register_device_fault_handler(struct device *dev,
> + iommu_dev_fault_handler_t
> handler,
> + void *data)
> +{
> + return 0;> +}
> +
> +
On Fri, 8 Dec 2017 13:59:09 -0700
Alex Williamson wrote:
> > >
> > > Isn't this all rather racy? I see that we can have multiple
> > > callers to register racing.
> > I agree, should use a lock here to prevent unregister. For multiple
> > caller race, it won't happen since there is only one
On Tue, 5 Dec 2017 14:22:41 +0800
Lu Baolu wrote:
> > +int iommu_report_device_fault(struct device *dev, struct
> > iommu_fault_event *evt) +{
> > + /* we only report device fault if there is a handler
> > registered */
> > + if (!dev->iommu_param || !dev->iommu_param->fault_param ||
> > +
On Fri, 8 Dec 2017 12:23:58 -0800
Jacob Pan wrote:
> On Thu, 7 Dec 2017 14:27:25 -0700
> Alex Williamson wrote:
>
> > On Fri, 17 Nov 2017 10:55:08 -0800
> > Jacob Pan wrote:
> >
> > > Traditionally, device specific faults are detected and handled
> > > within their own device drivers. When
On Thu, 7 Dec 2017 14:27:25 -0700
Alex Williamson wrote:
> On Fri, 17 Nov 2017 10:55:08 -0800
> Jacob Pan wrote:
>
> > Traditionally, device specific faults are detected and handled
> > within their own device drivers. When IOMMU is enabled, faults such
> > as DMA related transactions are detec
On Fri, 17 Nov 2017 10:55:08 -0800
Jacob Pan wrote:
> Traditionally, device specific faults are detected and handled within
> their own device drivers. When IOMMU is enabled, faults such as DMA
> related transactions are detected by IOMMU. There is no generic
> reporting mechanism to report fault
Hi,
On 11/18/2017 02:55 AM, Jacob Pan wrote:
> Traditionally, device specific faults are detected and handled within
> their own device drivers. When IOMMU is enabled, faults such as DMA
> related transactions are detected by IOMMU. There is no generic
> reporting mechanism to report faults back t
Traditionally, device specific faults are detected and handled within
their own device drivers. When IOMMU is enabled, faults such as DMA
related transactions are detected by IOMMU. There is no generic
reporting mechanism to report faults back to the in-kernel device
driver or the guest OS in case
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