[Mesa-dev] Linux Graphics Next: Userspace submission update

Michel Dänzer michel at daenzer.net
Wed Jun 2 08:09:01 UTC 2021

On 2021-06-01 12:49 p.m., Michel Dänzer wrote:
> On 2021-06-01 12:21 p.m., Christian König wrote:
>> Another question is if that is sufficient as security for the display server or if we need further handling down the road? I mean essentially we are moving the reliability problem into the display server.
> Good question. This should generally protect the display server from freezing due to client fences never signalling, but there might still be corner cases.

E.g. a client might be able to sneak in a fence between when the compositor checks fences and when it submits its drawing to the kernel.

Earthling Michel Dänzer               |               https://redhat.com
Libre software enthusiast             |             Mesa and X developer

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