NAK Re: [SRU][Zesty] Support SMMU passthrough using the default domain

[Manoj Iyer]

On Thu, May 18, 2017 at 4:24 AM, Paolo Pisati 
<paolo.pisati at canonical.com> wrote:
> On Tue, May 16, 2017 at 10:11 PM, Manoj Iyer 
> <manoj.iyer at canonical.com> wrote:
>>  This patch series adds support for SMMU passthrough using the 
>> default domain,
>>  the patch series implements a kernel command-line option 
>> iommu.passthrough=0/1
>>  1 - Bypass the IOMMU for DMA, 0 - Use IOMMU translation for DMA. 
>> This feature
>>  is desired on both Qualcomm Centriq 2400 and Thunder-X platforms.
>> 
>>  The bug report http://bugs.launchpad.net/bugs/1688158 has detailed 
>> test results
>>  from Qualcomm demonstrating performance improvements using 
>> passthrough. I have
>>  also tested the kernel on Thundex-X for any regressions, for both 
>> boot test and
>>  pci passthrough.
>> 
>>  Please review and consider for SRU.
> 
> Doesn't build.

Could you give me a bit more details? The patches were picked from 
linux-next and built for testing.

> 
> --
> bye,
> p.
> 
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.ubuntu.com/archives/kernel-team/attachments/20170518/b1213733/attachment.html>