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How do you know unless you try? I don't know why people are so against it. If you want to see vitriol see any discussion of rust on the now impotent slashdot community. If Linus is okay with it, I'm okay with it. He knows a lot more about the kernel than me and probably 99.99999% of of the people on the planet. I'm sure there are some awesome Einstein IQ people that know it even better than Linux, but I'll probably never meet them.

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> I don't know why people are so against it.

There's an extremely high cost to introduce and maintain another language in a stack such as the Linux kernel. Everyone involved would be permanently impacted regardless of their opinion on the matter. It's not just a flag you can toggle.

Otherwise Rust community would have already forked the Linux kernel instead of bugging their maintainers to RIIR.

On top of that Rust compilation is very costly. It would render some devices that currently can compile the kernel unable to do so.

Last I checked Rust fails to compile itself with 4GB of memory. Here's another user commenting about it: https://news.ycombinator.com/item?id=23059869

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