Michel Dänzer wrote:
Security is more than just the memory manager. To enforce video memory
protection, we'd have to audit the code and add memory protection to
existing drm modules. That is quite a lot of work, and requires
extensive knowledge of each card. So I don't think it's worth the
trouble with current cards.
I still think 'we may not succeed 100%, at least in the short term' is a
bad excuse for not trying, but that seems to be mostly me.
Sure, but I have not seen any other design that Ian's. In particular,
his design adresses performance concerns by avoiding going into the drm
for each allocation.
So, if someone knows how we can have both security and performance, I'm
all ears.
Stephane
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