Those who custom configure their kernel: what did you gain?

Cyclohexane@lemmy.mlmod to Linux@lemmy.ml – 148 points –

Curious to know the coolest things you achieved by configuring your kernel. I know kernel config can be boring, but I'm hoping someone will have an impressive answer.

For me I have a very lightweight kernel that runs wayland on nvidia without any issues to date.

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Amazing, basically native speeds,
currently playing Horizon Forbidden West with maxed out graphics and DRS disabled at a steady 60-80 FPS.

Previously I also played Horizon Zero Dawn in it, also maxed out graphics, steady locked 100 FPS,
below is a benchmark comparison of HZD in the Linux host OS and the Windows KVM guest OS:
workstation-gaming-linux-vs-windows

Has this gotten any easier to do? I set it up a few years ago, it was painful to do and maintain so I let it slide. You were writing all sorts of scripts to specify the passthrough devices and then they'd stop working so you had to track down what was failing and update. Then there was iommu so you had to be careful which groups you added devices to.

Gotta admit, it was very hard to setup initially.
However it's been working perfectly ever since I did.
Been using it for about a year or 2 now.

Also when I linked the Arch wiki,
I noticed in it's article that there's now a gpu-passthrough-manager,
which will likely make the process of setting up a little bit easier.

Amazing. Does Photoshop work ?