[dpdk-dev] [dpdk-stable] [RFC 2/2] nfp: allow for non-root user

[Ferruh Yigit]

On 4/19/2018 7:05 AM, Alejandro Lucero wrote:
> On Wed, Apr 18, 2018 at 1:32 PM, Aaron Conole <aconole at redhat.com> wrote:
> 
>> Alejandro Lucero <alejandro.lucero at netronome.com> writes:
>>
>>> On Tue, Apr 17, 2018 at 8:19 PM, Aaron Conole <aconole at redhat.com>
>> wrote:
>>>
>>>  Alejandro Lucero <alejandro.lucero at netronome.com> writes:
>>>
>>>  > I was just wondering, if device device PCI sysfs resource files or
>> VFIO group /dev files
>>>  require to change
>>>  > permissions for non-root users, does it not make sense to adjust also
>> /var/lock in the
>>>  system?
>>>
>>>  For the /dev, we use udev rules - so the correct individual vfio device
>>>  files get assigned the correct permissions.  No such mechanism exists
>>>  for /var/lock as far as I can tell.
>>>
>>>  Ex. see:
>>>
>>>  https://github.com/openvswitch/ovs/blob/master/
>> rhel/usr_lib_udev_rules.d_91-vfio.rules
>>>
>>>
>>>  Maybe something similar exists that we could use to generate the lock
>>>  file automatically?
>>>
>>> What about /sysfs/bus/pci/device/$PCI_DEV/resource file?
>>>
>>> Is RH forcing OVS DPDK to only work if the host has IOMMU support?
>>
>> Yes.
>>
> 
> Ok then. It makes sense now to apply this patch to stable versions.
> 
> Acked-by: Alejandro Lucero <alejandro.lucero at netronome.com>

Since the target is the stable tree, I will drop them from patchwork as not
applicable.

Can you please send v1 of the patch to the stable mail list, it can be good idea
to cc stable maintainers as well.