[PATCH] drm/ioctl: Add a ioctl to label GEM objects

Tue Sep 17 15:10:24 UTC 2019

On 9/17/19 5:05 PM, Rohan Garg wrote:
> Hi
>
>> We're not closing a device, are we?
>>
> Ah, yes, I'll fix this in v2.
>   
>> Do we have a mechanism in place to stop a malicious unprivileged app
>> from allocating all kernel memory to gem labels?
>>
> I'm unsure why this is a concern since a malicious app could also potentially
> allocate lots of GEM buffers and cause the same situation.

Hmm, yes in some drivers. In others not. But if we have a drm_driver 
hook for this, I guess drivers that care can do proper checking.

/Thomas

> Cheers
> Rohan Garg
>
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