What is KABI or (Kernel ABI) ?
ABIs are similar to APIs in that they govern the interpretation of commands and exchange of binary data.
For C programs, the ABI generally comprises the return types and parameter lists of functions, the layout of structs, and the meaning, ordering, and range of enumerated types.
The functionality of the ABI requires a joint, ongoing effort by :
the kernel community, C compilers (such as GCC or clang),
Syscall interface is also guaranteed to be stable
Reference : https://opensource.com/article/22/12/linux-abi Linus on ABI Breakage : https://lkml.org/lkml/2018/12/22/232
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