On 10/12/2017 09:04 PM, Mantas Mikulėnas wrote:
> On Fri, Oct 13, 2017, 00:30 Tom Stellard <tstel...@redhat.com
> <mailto:tstel...@redhat.com>> wrote:
>
> Hi,
>
> The amdkfd kernel driver exposes the /dev/kfd device file for doing gpgpu
> computing on AMD GPUs, I would like to setup the permissions on this
> device
> file, so that regular users can access it. I think it makes sense to
> try to copy what is being done for the other GPU device files, like
> /dev/dri/cardX.
> I can see the udev rules for these /dev/dri/cardX, but on my system it
> looks like
> something is giving users access to these files using access control
> lists
> (acls), but I'm not sure where the acls are being modified. Is systemd
> only responsible
> for the udev rules or is there something else in systemd I need to modify
> to
> get the acls set correctly?
>
>
> udev applies these ACLs to all devices tagged with TAG+="uaccess" from udev
> rules.
>
> (The tagging is kind of an internal detail and your rules are supposed to use
> ENV{ID_this_and_that}, but... for personal use it works well enough.)
>
> Just make sure you get the rule ordering right, I think 71-something.rules is
> a good place. I can't check right now, might be remembering wrong.
>
Thanks. I've been experimenting with this, and I noticed that the ACLs are
not set when I login to the machine via ssh. Is there something else I need
to do to get these ACLs enabled for ssh sessions?
Thanks,
Tom
> --
>
> Mantas Mikulėnas <graw...@gmail.com <mailto:graw...@gmail.com>>
> Sent from my phone
>
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