this post was submitted on 07 Mar 2024
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    485
    Systemd controversy be like (sh.itjust.works)
    submitted 8 months ago by [email protected] to c/[email protected]
    144 comments fedilink hide all child comments
     
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    [–] [email protected] 12 points 8 months ago* (last edited 8 months ago) (1 children)

    And funnily enough, the kernel doesn't follow the unix philosophy either as far as I know.

    [–] [email protected] 8 points 8 months ago (1 children)

    I have heard that before in a joke setting, I would love to hear genuine arguments for and against it.

    [–] [email protected] 15 points 8 months ago (2 children)

    The debate is as old as Linux itself, and well documented.

    [–] [email protected] 7 points 8 months ago (1 children)

    It doesn't seem to be a debate. "Microkernels are better" "yes but I don't have the time for it" but thanks

    [–] [email protected] 2 points 8 months ago* (last edited 8 months ago)

    At a high level, microkernels push as much as possible into userspace, and monolithic kernels keep drivers in kernel space

    There are arguments for each e.g. a buggy driver can’t write into the memory space of another driver as easily in a micro kernel, however it’s running in the same security level as userspace code. People will make arguments for both sides of which is more secure

    Monolithic kernels also tended to be more performant at the time, as you didn’t have to context switch between ring 0 and ring 1 in the CPU to perform driver calls - we also regularly share memory directly between drivers

    These days pretty much all kernels have moved to a hybrid kernel, as neither a truly monolithic kernel nor a truly micro kernel works outside of theoretical debates

    [–] [email protected] 1 points 8 months ago

    Thanks! I will look into