More AMD IOMMU Optimization Work Is On The Way For Linux

[zexelon]

This is really cool news! I run my gaming system in a VM on a Threadripper system, so far performance is spot on, but anything to boost it is good news to me. I dont run any FPS's in it atm though, so cant comment on that front.

[Vorpal]

Is this just for Epyc or also for desktop and laptop Ryzen CPUs?

[mantide]

I play PUBG on AMD systems in QEMU vm and the CPU cache performance is very bad. Spent days trying to figure out why. I hope this is the fix.

[phoronix]

Phoronix: More AMD IOMMU Optimization Work Is On The Way For Linux

Thanks to one of VMware's Linux engineers there are improvements pending to the AMD IOMMU support code to help with performance...

https://www.phoronix.com/scan.php?page=news_item&px=Linux-More-AMD-IOMMU-Opt