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    SubjectRe: Hardwired drivers are going away?
    On Mon, Jan 14, 2002 at 10:57:19AM -0800, David Lang wrote:
    > On Mon, 14 Jan 2002, Alan Cox wrote:
    > > > 1. security, if you don't need any modules you can disable modules entirly
    > > > and then it's impossible to add a module without patching the kernel first
    > > > (the module load system calls aren't there)
    > >
    > > Urban legend.
    > If this is the case then why do I get systemcall undefined error messages
    > when I make a mistake and attempt to load a module on a kernel without
    > modules enabled?

    It's an urban legend that this is a security benefit. grep the
    hacker zines for injecting code into a non-modular kernel.

    > > > 2. speed, there was a discussion a few weeks ago pointing out that there
    > > > is some overhead for useing modules (far calls need to be used just in
    > > > case becouse the system can't know where the module will be located IIRC)
    > >
    > > I defy you to measure it on x86
    > during the discussion a few weeks ago there were people pointing out cases
    > where this overhead would be a problem.


    > > > 3. simplicity in building kernels for other machines. with a monolithic
    > > > kernel you have one file to move (and a bootloader to run) with modules
    > > > you have to move quite a few more files.
    > >
    > > tar or nfs mount; make modules_install.
    > >
    > not on my firewalls thank you.

    You won't install tar on your firewalls? Weird :-)

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