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How many other languages have been merged to Linux other than C and Rust? Zero. (Ignore perl scripts, etc)

Did you look at the PR that was merged?

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/lin...

This is not trivial work. This will only get over better over time (with funding), all for safe and secure Linux for the mass!!

The only thing that concerns me now is the Rust code in kernel is not GPLv2. Not sure if that's intentional.

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> The only thing that concerns me now is the Rust code in kernel is not GPLv2. Not sure if that's intentional.

The only code that isn't GPLv2 is the alloc crate. Which is basically a copy of upstream with some changes. All the kernel specific stuff is GPL

They obviously didn't miss this while reviewing the patch, but just wondering: are there any performance/resource implications to making KSYM_NAME_LEN 512 instead of the previous 128 or 256?

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