Re: Solving Nvidia (blob) latency spikes + convert (nvidia's) semaphores into mutexes patches for 331.20 [patches and links provided]

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Hey Pavel

> Wow, I did not know, thanks. I until on 319.xx

I had wondered. lol. ~ because telling someone who is using nvidia-rt
>325xx that it doesn't work on rt is a bit odd. ;)  ... I thought you
must have been mistaken :)

take a look in kernel/conftest.sh (of nvidia installer/sources) - You
were mistaken because nvidia has changed some of the internals around
/ how their installer works. It actually appears they are making it
more RT friendly... Which is great because i (personally) have been
bugging them every couple of months about PREEMPT_RT_FULL :)

>>> 3. SFENCE need on SMP systems. Although, delay in 1000 nanoseconds - it's awful
>> Would you care to goto into more detail on this?
>
> https://www.kernel.org/doc/Documentation/memory-barriers.txt

Thanks, i'll have a read through + wait for some feedback from nvidia
in my thread.

jordan
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