Hi Robin,
On 6/6/2017 3:02 AM, Robin Murphy wrote:
I've currently got some experimental patches pushed out here:
git://linux-arm.org/linux-rm iommu/pgtable
So far, there's still one silly bug (which doesn't affect DMA ops usage)
and an awkward race for non-coherent table walks which
Hi Will,
On 5/31/17 5:44 AM, Will Deacon wrote:
> On Tue, May 30, 2017 at 11:13:36PM -0700, Ray Jui wrote:
>> I did a little more digging myself and I think I now understand what you
>> meant by identity mapping, i.e., configuring the MMU-500 with 1:1 mapping
>> between the DMA address and the
On Tue, May 30, 2017 at 11:13:36PM -0700, Ray Jui wrote:
> I did a little more digging myself and I think I now understand what you
> meant by identity mapping, i.e., configuring the MMU-500 with 1:1 mapping
> between the DMA address and the IOVA address.
>
> I think that should work. In the end,
On 30/05/17 18:16, Ray Jui wrote:
> Hi Marc,
>
> On 5/30/17 9:59 AM, Marc Zyngier wrote:
>> On 30/05/17 17:49, Ray Jui wrote:
>>> Hi Will,
>>>
>>> On 5/30/17 8:14 AM, Will Deacon wrote:
On Mon, May 29, 2017 at 06:18:45PM -0700, Ray Jui wrote:
> I'm writing to check with you to see if the
On 30/05/17 17:49, Ray Jui wrote:
> Hi Will,
>
> On 5/30/17 8:14 AM, Will Deacon wrote:
>> On Mon, May 29, 2017 at 06:18:45PM -0700, Ray Jui wrote:
>>> I'm writing to check with you to see if the latest arm-smmu.c driver in
>>> v4.12-rc Linux for smmu-500 can support mapping that is only specific
Hi Marc,
On 5/30/17 9:59 AM, Marc Zyngier wrote:
> On 30/05/17 17:49, Ray Jui wrote:
>> Hi Will,
>>
>> On 5/30/17 8:14 AM, Will Deacon wrote:
>>> On Mon, May 29, 2017 at 06:18:45PM -0700, Ray Jui wrote:
I'm writing to check with you to see if the latest arm-smmu.c driver in
v4.12-rc
On 30/05/17 17:49, Ray Jui wrote:
> Hi Will,
>
> On 5/30/17 8:14 AM, Will Deacon wrote:
>> On Mon, May 29, 2017 at 06:18:45PM -0700, Ray Jui wrote:
>>> I'm writing to check with you to see if the latest arm-smmu.c driver in
>>> v4.12-rc Linux for smmu-500 can support mapping that is only specific
Hi Will,
On 5/30/17 8:14 AM, Will Deacon wrote:
> On Mon, May 29, 2017 at 06:18:45PM -0700, Ray Jui wrote:
>> I'm writing to check with you to see if the latest arm-smmu.c driver in
>> v4.12-rc Linux for smmu-500 can support mapping that is only specific to
>> a particular physical address range
Hi All,
I'm writing to check with you to see if the latest arm-smmu.c driver in
v4.12-rc Linux for smmu-500 can support mapping that is only specific to
a particular physical address range while leave the rest still to be
handled by the client device. I believe this can already be supported by
