Hi,
Replying again, as there was some issue with mailer last time.
On 3/21/2017 11:47 PM, Will Deacon wrote:
On Tue, Mar 21, 2017 at 05:46:29PM +, Robin Murphy wrote:
On 21/03/17 17:21, Will Deacon wrote:
On Tue, Mar 21, 2017 at 04:45:27PM +0100, Joerg Roedel wrote:
On Fri, Mar 10, 2017
On Tue, Mar 21, 2017 at 05:21:37PM +, Will Deacon wrote:
> On Tue, Mar 21, 2017 at 04:45:27PM +0100, Joerg Roedel wrote:
> > On Fri, Mar 10, 2017 at 08:49:36PM +, Will Deacon wrote:
> > > @@ -1014,8 +1027,8 @@ struct iommu_group *iommu_group_get_for_dev(struct
> > > device *dev)
> > >
On Tue, Mar 21, 2017 at 05:46:29PM +, Robin Murphy wrote:
> On 21/03/17 17:21, Will Deacon wrote:
> > On Tue, Mar 21, 2017 at 04:45:27PM +0100, Joerg Roedel wrote:
> >> On Fri, Mar 10, 2017 at 08:49:36PM +, Will Deacon wrote:
> >>> @@ -1014,8 +1027,8 @@ struct iommu_group
On 21/03/17 17:21, Will Deacon wrote:
> On Tue, Mar 21, 2017 at 04:45:27PM +0100, Joerg Roedel wrote:
>> On Fri, Mar 10, 2017 at 08:49:36PM +, Will Deacon wrote:
>>> @@ -1014,8 +1027,8 @@ struct iommu_group *iommu_group_get_for_dev(struct
>>> device *dev)
>>> * IOMMU driver.
>>> */
On Tue, Mar 21, 2017 at 04:45:27PM +0100, Joerg Roedel wrote:
> On Fri, Mar 10, 2017 at 08:49:36PM +, Will Deacon wrote:
> > @@ -1014,8 +1027,8 @@ struct iommu_group *iommu_group_get_for_dev(struct
> > device *dev)
> > * IOMMU driver.
> > */
> > if (!group->default_domain) {
> >
Hi Will,
On Fri, Mar 10, 2017 at 08:49:36PM +, Will Deacon wrote:
> @@ -1014,8 +1027,8 @@ struct iommu_group *iommu_group_get_for_dev(struct
> device *dev)
>* IOMMU driver.
>*/
> if (!group->default_domain) {
> - group->default_domain =
The IOMMU core currently initialises the default domain for each group
to IOMMU_DOMAIN_DMA, under the assumption that devices will use
IOMMU-backed DMA ops by default. However, in some cases it is desirable
for the DMA ops to bypass the IOMMU for performance reasons, reserving
use of translation
