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    SubjectRe: [patch] pipe: Don't oops when pipe filesystem isn't mounted
    On Mon, Dec 11, 2006 at 02:34:36AM -0800, Andrew Morton wrote:

    > There are plenty of drivers in there using subsys_initcall, arch_initcall,
    > postcore_initcall, core_initcall and even one pure_initcall.
    >
    > Heaven knows why. They're drivers :(

    > A heck of a lot of things can trigger an /sbin/hotplug run. It could well
    > be that Andrew's driver didn't want to run hotplug at all, but the kernel
    > did it anwyay. But as soon as the script appeared at /sbin/hotplug, and it
    > happened to use foo|bar: boom.

    Again, I agree with moving pipes up, but keep in mind that any caller
    of /sbin/hotplug either
    * doesn't need it or
    * really handles failure or
    * really should _not_ be run before populate_rootfs()
    -
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