> if Linux kernel interfaces e.g. syscalls are stable Syscalls are not the Linux Kernel interface. Syscalls are core mechanisms to access protected/secure reso

> if Linux kernel interfaces e.g. syscalls are stable Syscalls are not the Linux Kernel interface. Syscalls are core mechanisms to access protected/secure resources. Memcpy, fopen, etc. But the Kernel has much more to it's ABI than just syscalls and those are not guaranteed to be stable.